diff --git a/mingw-w64-crt/math/acosf.c b/mingw-w64-crt/math/acosf.c
index ffe2e4a..ec6825d 100755
--- a/mingw-w64-crt/math/acosf.c
+++ b/mingw-w64-crt/math/acosf.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 /*
  * Written by J.T. Conklin <jtc@netbsd.org>.
  * Public domain.
diff --git a/mingw-w64-crt/math/acosh.c b/mingw-w64-crt/math/acosh.c
index cf61712..a880ca5 100755
--- a/mingw-w64-crt/math/acosh.c
+++ b/mingw-w64-crt/math/acosh.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #include <math.h>
 #include <errno.h>
 #include "fastmath.h"
diff --git a/mingw-w64-crt/math/acoshf.c b/mingw-w64-crt/math/acoshf.c
index d2c0f22..255c520 100755
--- a/mingw-w64-crt/math/acoshf.c
+++ b/mingw-w64-crt/math/acoshf.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #include <math.h>
 #include <errno.h>
 #include "fastmath.h"
diff --git a/mingw-w64-crt/math/acoshl.c b/mingw-w64-crt/math/acoshl.c
index 9a005be..af9f08a 100755
--- a/mingw-w64-crt/math/acoshl.c
+++ b/mingw-w64-crt/math/acoshl.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #include <math.h>
 #include <errno.h>
 #include "fastmath.h"
diff --git a/mingw-w64-crt/math/acosl.c b/mingw-w64-crt/math/acosl.c
index 2ae63f0..047e192 100755
--- a/mingw-w64-crt/math/acosl.c
+++ b/mingw-w64-crt/math/acosl.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 long double acosl (long double x)
 {
   long double res;
diff --git a/mingw-w64-crt/math/asinf.c b/mingw-w64-crt/math/asinf.c
index 0d4dabc..673206b 100755
--- a/mingw-w64-crt/math/asinf.c
+++ b/mingw-w64-crt/math/asinf.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 /*
  * Written by J.T. Conklin <jtc@netbsd.org>.
  * Public domain.
diff --git a/mingw-w64-crt/math/asinh.c b/mingw-w64-crt/math/asinh.c
index fba07eb..71adb9c 100755
--- a/mingw-w64-crt/math/asinh.c
+++ b/mingw-w64-crt/math/asinh.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #include <math.h>
 #include <errno.h>
 #include "fastmath.h"
diff --git a/mingw-w64-crt/math/asinhf.c b/mingw-w64-crt/math/asinhf.c
index 5f65679..b49742c 100755
--- a/mingw-w64-crt/math/asinhf.c
+++ b/mingw-w64-crt/math/asinhf.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #include <math.h>
 #include <errno.h>
 #include "fastmath.h"
diff --git a/mingw-w64-crt/math/asinhl.c b/mingw-w64-crt/math/asinhl.c
index aff076a..6e33133 100755
--- a/mingw-w64-crt/math/asinhl.c
+++ b/mingw-w64-crt/math/asinhl.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #include <math.h>
 #include <errno.h>
 #include "fastmath.h"
diff --git a/mingw-w64-crt/math/asinl.c b/mingw-w64-crt/math/asinl.c
index 916efe4..5850fbf 100755
--- a/mingw-w64-crt/math/asinl.c
+++ b/mingw-w64-crt/math/asinl.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 /*
  * Written by J.T. Conklin <jtc@netbsd.org>.
  * Public domain.
diff --git a/mingw-w64-crt/math/atan2f.c b/mingw-w64-crt/math/atan2f.c
index c31f43b..ef378ee 100755
--- a/mingw-w64-crt/math/atan2f.c
+++ b/mingw-w64-crt/math/atan2f.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 /*
  * Written by J.T. Conklin <jtc@netbsd.org>.
  * Public domain.
diff --git a/mingw-w64-crt/math/atan2l.c b/mingw-w64-crt/math/atan2l.c
index 9967bf5..71324fa 100755
--- a/mingw-w64-crt/math/atan2l.c
+++ b/mingw-w64-crt/math/atan2l.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 long double
 atan2l (long double y, long double x)
 {
diff --git a/mingw-w64-crt/math/atanf.c b/mingw-w64-crt/math/atanf.c
index 55495fc..eca3e04 100755
--- a/mingw-w64-crt/math/atanf.c
+++ b/mingw-w64-crt/math/atanf.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 /*
  * Written by J.T. Conklin <jtc@netbsd.org>.
  * Public domain.
diff --git a/mingw-w64-crt/math/atanh.c b/mingw-w64-crt/math/atanh.c
index 97f88e0..d94f018 100755
--- a/mingw-w64-crt/math/atanh.c
+++ b/mingw-w64-crt/math/atanh.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #include <math.h>
 #include <errno.h>
 #include "fastmath.h"
diff --git a/mingw-w64-crt/math/atanhf.c b/mingw-w64-crt/math/atanhf.c
index 2a3461e..79678c2 100755
--- a/mingw-w64-crt/math/atanhf.c
+++ b/mingw-w64-crt/math/atanhf.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #include <math.h>
 #include <errno.h>
 #include "fastmath.h"
diff --git a/mingw-w64-crt/math/atanhl.c b/mingw-w64-crt/math/atanhl.c
index e635374..ebc2372 100755
--- a/mingw-w64-crt/math/atanhl.c
+++ b/mingw-w64-crt/math/atanhl.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #include <math.h>
 #include <errno.h>
 #include "fastmath.h"
diff --git a/mingw-w64-crt/math/atanl.c b/mingw-w64-crt/math/atanl.c
index de5d0ad..340691e 100755
--- a/mingw-w64-crt/math/atanl.c
+++ b/mingw-w64-crt/math/atanl.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 long double
 atanl (long double x)
 {
diff --git a/mingw-w64-crt/math/cbrt.c b/mingw-w64-crt/math/cbrt.c
index 4e808b3..d9565b3 100755
--- a/mingw-w64-crt/math/cbrt.c
+++ b/mingw-w64-crt/math/cbrt.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #include <math.h>
 #include "cephes_mconf.h"
 
diff --git a/mingw-w64-crt/math/cbrtf.c b/mingw-w64-crt/math/cbrtf.c
index 454089e..b27d131 100755
--- a/mingw-w64-crt/math/cbrtf.c
+++ b/mingw-w64-crt/math/cbrtf.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #include <math.h>
 #include "cephes_mconf.h"
 
diff --git a/mingw-w64-crt/math/cbrtl.c b/mingw-w64-crt/math/cbrtl.c
index 3777ec8..bdd715f 100755
--- a/mingw-w64-crt/math/cbrtl.c
+++ b/mingw-w64-crt/math/cbrtl.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #include "cephes_mconf.h"
 
 static const long double CBRT2  = 1.2599210498948731647672L;
diff --git a/mingw-w64-crt/math/ceilf.S b/mingw-w64-crt/math/ceilf.S
index 14559f7..370fe33 100755
--- a/mingw-w64-crt/math/ceilf.S
+++ b/mingw-w64-crt/math/ceilf.S
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 	.file	"ceilf.S"
 	.code64
 	.text
diff --git a/mingw-w64-crt/math/ceill.S b/mingw-w64-crt/math/ceill.S
index 456f0eb..9aad5b1 100755
--- a/mingw-w64-crt/math/ceill.S
+++ b/mingw-w64-crt/math/ceill.S
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 	.file	"ceill.S"
 	.code64
 	.text
diff --git a/mingw-w64-crt/math/cephes_emath.c b/mingw-w64-crt/math/cephes_emath.c
index 8478bd9..eefb681 100755
--- a/mingw-w64-crt/math/cephes_emath.c
+++ b/mingw-w64-crt/math/cephes_emath.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #include "cephes_emath.h"
 
 /*
diff --git a/mingw-w64-crt/math/cephes_emath.h b/mingw-w64-crt/math/cephes_emath.h
index 7b75d94..ec96c58 100755
--- a/mingw-w64-crt/math/cephes_emath.h
+++ b/mingw-w64-crt/math/cephes_emath.h
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #ifndef _CEPHES_EMATH_H
 #define _CEPHES_EMATH_H
 
diff --git a/mingw-w64-crt/math/cephes_mconf.h b/mingw-w64-crt/math/cephes_mconf.h
index a755e59..bcda659 100755
--- a/mingw-w64-crt/math/cephes_mconf.h
+++ b/mingw-w64-crt/math/cephes_mconf.h
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #include <math.h>
 #include <errno.h>
 
diff --git a/mingw-w64-crt/math/copysign.S b/mingw-w64-crt/math/copysign.S
index 004013e..529f301 100755
--- a/mingw-w64-crt/math/copysign.S
+++ b/mingw-w64-crt/math/copysign.S
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 /*
  * Written by J.T. Conklin <jtc@netbsd.org>.
  * Public domain.
diff --git a/mingw-w64-crt/math/copysignf.S b/mingw-w64-crt/math/copysignf.S
index 0e54e54..f34b9bc 100755
--- a/mingw-w64-crt/math/copysignf.S
+++ b/mingw-w64-crt/math/copysignf.S
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 /*
  * Written by J.T. Conklin <jtc@netbsd.org>.
  * Public domain.
diff --git a/mingw-w64-crt/math/copysignl.S b/mingw-w64-crt/math/copysignl.S
index 7c82274..77c4bb1 100755
--- a/mingw-w64-crt/math/copysignl.S
+++ b/mingw-w64-crt/math/copysignl.S
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 /*
  * Written by J.T. Conklin <jtc@netbsd.org>.
  * Changes for long double by Ulrich Drepper <drepper@cygnus.com>
diff --git a/mingw-w64-crt/math/cosf.S b/mingw-w64-crt/math/cosf.S
index 21616a1..aac9be7 100755
--- a/mingw-w64-crt/math/cosf.S
+++ b/mingw-w64-crt/math/cosf.S
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 /*
  * Written by J.T. Conklin <jtc@netbsd.org>.
  * Public domain.
diff --git a/mingw-w64-crt/math/coshf.c b/mingw-w64-crt/math/coshf.c
index dbd1345..fcd70dd 100755
--- a/mingw-w64-crt/math/coshf.c
+++ b/mingw-w64-crt/math/coshf.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #include <math.h>
 float coshf (float x)
   {return (float) cosh (x);}
diff --git a/mingw-w64-crt/math/coshl.c b/mingw-w64-crt/math/coshl.c
index 2f09755..ffc4bdb 100755
--- a/mingw-w64-crt/math/coshl.c
+++ b/mingw-w64-crt/math/coshl.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #include "cephes_mconf.h"
 
 #ifndef _SET_ERRNO
diff --git a/mingw-w64-crt/math/cosl.S b/mingw-w64-crt/math/cosl.S
index b7b2d97..41e6164 100755
--- a/mingw-w64-crt/math/cosl.S
+++ b/mingw-w64-crt/math/cosl.S
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 /*
  * Written by J.T. Conklin <jtc@netbsd.org>.
  * Public domain.
diff --git a/mingw-w64-crt/math/erfl.c b/mingw-w64-crt/math/erfl.c
index dcaa11f..50c6d0c 100755
--- a/mingw-w64-crt/math/erfl.c
+++ b/mingw-w64-crt/math/erfl.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 /*							erfl.c
  *
  *	Error function
diff --git a/mingw-w64-crt/math/exp2.S b/mingw-w64-crt/math/exp2.S
index d5d81a9..76a2691 100755
--- a/mingw-w64-crt/math/exp2.S
+++ b/mingw-w64-crt/math/exp2.S
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 /*
  * Written by J.T. Conklin <jtc@netbsd.org>.
  * Adapted for exp2 by Ulrich Drepper <drepper@cygnus.com>.
diff --git a/mingw-w64-crt/math/exp2f.S b/mingw-w64-crt/math/exp2f.S
index 18e1bf9..31355bb 100755
--- a/mingw-w64-crt/math/exp2f.S
+++ b/mingw-w64-crt/math/exp2f.S
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 /*
  * Written by J.T. Conklin <jtc@netbsd.org>.
  * Adapted for exp2 by Ulrich Drepper <drepper@cygnus.com>.
diff --git a/mingw-w64-crt/math/exp2l.S b/mingw-w64-crt/math/exp2l.S
index 932cee4..2a46078 100755
--- a/mingw-w64-crt/math/exp2l.S
+++ b/mingw-w64-crt/math/exp2l.S
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 /*
  * Written by J.T. Conklin <jtc@netbsd.org>.
  * Adapted for exp2 by Ulrich Drepper <drepper@cygnus.com>.
diff --git a/mingw-w64-crt/math/expf.c b/mingw-w64-crt/math/expf.c
index 99684a0..ddb3c26 100755
--- a/mingw-w64-crt/math/expf.c
+++ b/mingw-w64-crt/math/expf.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #include <math.h>
 float expf (float x)
   {return (float) exp (x);}
diff --git a/mingw-w64-crt/math/expl.c b/mingw-w64-crt/math/expl.c
index 1518434..ce83144 100755
--- a/mingw-w64-crt/math/expl.c
+++ b/mingw-w64-crt/math/expl.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #include <math.h>
 #include "cephes_mconf.h"  /* for max and min log thresholds */
 
diff --git a/mingw-w64-crt/math/expm1.c b/mingw-w64-crt/math/expm1.c
index 005fc16..f3e61f1 100755
--- a/mingw-w64-crt/math/expm1.c
+++ b/mingw-w64-crt/math/expm1.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 /*
  * Written 2005 by Gregory W. Chicares <chicares@cox.net>.
  * Adapted to double by Danny Smith <dannysmith@users.sourceforge.net>. 
diff --git a/mingw-w64-crt/math/expm1f.c b/mingw-w64-crt/math/expm1f.c
index e8459ca..8ae6876 100755
--- a/mingw-w64-crt/math/expm1f.c
+++ b/mingw-w64-crt/math/expm1f.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 /*
  * Written 2005 by Gregory W. Chicares <chicares@cox.net>.
  * Adapted to float by Danny Smith <dannysmith@users.sourceforge.net>. 
diff --git a/mingw-w64-crt/math/expm1l.c b/mingw-w64-crt/math/expm1l.c
index 5e3da19..1b4120f 100755
--- a/mingw-w64-crt/math/expm1l.c
+++ b/mingw-w64-crt/math/expm1l.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 /*
  * Written 2005 by Gregory W. Chicares <chicares@cox.net> with
  * help from Danny Smith. dannysmith@users.sourceforge.net>.
diff --git a/mingw-w64-crt/math/fabs.c b/mingw-w64-crt/math/fabs.c
index a05cc4a..691b971 100755
--- a/mingw-w64-crt/math/fabs.c
+++ b/mingw-w64-crt/math/fabs.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #include <math.h>
 
 double
diff --git a/mingw-w64-crt/math/fabsf.c b/mingw-w64-crt/math/fabsf.c
index 0e5f1d7..3fad334 100755
--- a/mingw-w64-crt/math/fabsf.c
+++ b/mingw-w64-crt/math/fabsf.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 float
 fabsf (float x)
 {
diff --git a/mingw-w64-crt/math/fabsl.c b/mingw-w64-crt/math/fabsl.c
index c4c5cf9..20c2c29 100755
--- a/mingw-w64-crt/math/fabsl.c
+++ b/mingw-w64-crt/math/fabsl.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 long double
 fabsl (long double x)
 {
diff --git a/mingw-w64-crt/math/fastmath.h b/mingw-w64-crt/math/fastmath.h
index 35b73a6..2ffcc2e 100755
--- a/mingw-w64-crt/math/fastmath.h
+++ b/mingw-w64-crt/math/fastmath.h
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #ifndef _MINGWEX_FASTMATH_H_
 #define _MINGWEX_FASTMATH_H_
 
diff --git a/mingw-w64-crt/math/fdim.c b/mingw-w64-crt/math/fdim.c
index e1d5cb9..24067f5 100755
--- a/mingw-w64-crt/math/fdim.c
+++ b/mingw-w64-crt/math/fdim.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #include <math.h>
 
 double
diff --git a/mingw-w64-crt/math/fdimf.c b/mingw-w64-crt/math/fdimf.c
index 66cf18b..9a3b73f 100755
--- a/mingw-w64-crt/math/fdimf.c
+++ b/mingw-w64-crt/math/fdimf.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #include <math.h>
 
 float
diff --git a/mingw-w64-crt/math/fdiml.c b/mingw-w64-crt/math/fdiml.c
index 2697ac0..617b184 100755
--- a/mingw-w64-crt/math/fdiml.c
+++ b/mingw-w64-crt/math/fdiml.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #include <math.h>
 
 long double
diff --git a/mingw-w64-crt/math/floorf.S b/mingw-w64-crt/math/floorf.S
index 089bf05..b72ceed 100755
--- a/mingw-w64-crt/math/floorf.S
+++ b/mingw-w64-crt/math/floorf.S
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 /*
  * Written by J.T. Conklin <jtc@netbsd.org>.
  * Public domain.
diff --git a/mingw-w64-crt/math/floorl.S b/mingw-w64-crt/math/floorl.S
index 1bdfc5b..aa792db 100755
--- a/mingw-w64-crt/math/floorl.S
+++ b/mingw-w64-crt/math/floorl.S
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 /*
  * Written by J.T. Conklin <jtc@netbsd.org>.
  * Public domain.
diff --git a/mingw-w64-crt/math/fma.S b/mingw-w64-crt/math/fma.S
index 216166f..b0a676b 100755
--- a/mingw-w64-crt/math/fma.S
+++ b/mingw-w64-crt/math/fma.S
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 	.file	"fma.S"
 	.text
 	.align 2
@@ -5,8 +10,9 @@
 .globl _fma
 	.def	_fma;	.scl	2;	.type	32;	.endef
 _fma:
-	fldl	4(%esp)
-	fmull	12(%esp)
-	fldl	20(%esp)
+	movq	%rdx,8(%esp)
+	fldl	8(%esp)
+	fmull	16(%esp)
+	fldl	24(%esp)
 	faddp
 	ret
diff --git a/mingw-w64-crt/math/fmaf.S b/mingw-w64-crt/math/fmaf.S
index e2302bc..19ec408 100755
--- a/mingw-w64-crt/math/fmaf.S
+++ b/mingw-w64-crt/math/fmaf.S
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 	.file	"fmaf.S"
 	.text
 	.align 2
diff --git a/mingw-w64-crt/math/fmal.c b/mingw-w64-crt/math/fmal.c
index 2de17cc..8ed9802 100755
--- a/mingw-w64-crt/math/fmal.c
+++ b/mingw-w64-crt/math/fmal.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 long double
 fmal ( long double _x,  long double _y,  long double _z)
 {
diff --git a/mingw-w64-crt/math/fmax.c b/mingw-w64-crt/math/fmax.c
index 2c69a51..9331ad4 100755
--- a/mingw-w64-crt/math/fmax.c
+++ b/mingw-w64-crt/math/fmax.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #include <math.h>
 
 double
diff --git a/mingw-w64-crt/math/fmaxf.c b/mingw-w64-crt/math/fmaxf.c
index c51e16d..411e649 100755
--- a/mingw-w64-crt/math/fmaxf.c
+++ b/mingw-w64-crt/math/fmaxf.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #include <math.h>
 
 float
diff --git a/mingw-w64-crt/math/fmaxl.c b/mingw-w64-crt/math/fmaxl.c
index 683f487..7fbee2f 100755
--- a/mingw-w64-crt/math/fmaxl.c
+++ b/mingw-w64-crt/math/fmaxl.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #include <math.h>
 
 long double
diff --git a/mingw-w64-crt/math/fmin.c b/mingw-w64-crt/math/fmin.c
index e135c6e..99fe451 100755
--- a/mingw-w64-crt/math/fmin.c
+++ b/mingw-w64-crt/math/fmin.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #include <math.h>
 
 double
diff --git a/mingw-w64-crt/math/fminf.c b/mingw-w64-crt/math/fminf.c
index bd2ebd3..e023de9 100755
--- a/mingw-w64-crt/math/fminf.c
+++ b/mingw-w64-crt/math/fminf.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #include <math.h>
 
 float
diff --git a/mingw-w64-crt/math/fminl.c b/mingw-w64-crt/math/fminl.c
index 632a43e..aad128a 100755
--- a/mingw-w64-crt/math/fminl.c
+++ b/mingw-w64-crt/math/fminl.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #include <math.h>
 
 long double
diff --git a/mingw-w64-crt/math/fmodf.c b/mingw-w64-crt/math/fmodf.c
index 6a94d7a..d28bae9 100755
--- a/mingw-w64-crt/math/fmodf.c
+++ b/mingw-w64-crt/math/fmodf.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 /*
  * Written by J.T. Conklin <jtc@netbsd.org>.
  * Public domain.
diff --git a/mingw-w64-crt/math/fmodl.c b/mingw-w64-crt/math/fmodl.c
index 1044f0e..ab9104d 100755
--- a/mingw-w64-crt/math/fmodl.c
+++ b/mingw-w64-crt/math/fmodl.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 long double
 fmodl (long double x, long double y)
 {
diff --git a/mingw-w64-crt/math/fp_consts.c b/mingw-w64-crt/math/fp_consts.c
index 2125138..bf3cf28 100755
--- a/mingw-w64-crt/math/fp_consts.c
+++ b/mingw-w64-crt/math/fp_consts.c
@@ -1,4 +1,8 @@
-
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #include "fp_consts.h"
 const union _ieee_rep __QNAN = { __DOUBLE_QNAN_REP };
 const union _ieee_rep __SNAN = { __DOUBLE_SNAN_REP };
diff --git a/mingw-w64-crt/math/fp_consts.h b/mingw-w64-crt/math/fp_consts.h
index 763d0ff..fa8305e 100755
--- a/mingw-w64-crt/math/fp_consts.h
+++ b/mingw-w64-crt/math/fp_consts.h
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #ifndef _FP_CONSTS_H
 #define _FP_CONSTS_H
 
diff --git a/mingw-w64-crt/math/fp_constsf.c b/mingw-w64-crt/math/fp_constsf.c
index a85dde7..a28e836 100755
--- a/mingw-w64-crt/math/fp_constsf.c
+++ b/mingw-w64-crt/math/fp_constsf.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #include "fp_consts.h"
 
 const union _ieee_rep __QNANF = { __FLOAT_QNAN_REP };   
diff --git a/mingw-w64-crt/math/fp_constsl.c b/mingw-w64-crt/math/fp_constsl.c
index f240bef..134a4af 100755
--- a/mingw-w64-crt/math/fp_constsl.c
+++ b/mingw-w64-crt/math/fp_constsl.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #include "fp_consts.h"
 
 const union _ieee_rep __QNANL = { __LONG_DOUBLE_QNAN_REP };
diff --git a/mingw-w64-crt/math/fpclassify.c b/mingw-w64-crt/math/fpclassify.c
index a0343c8..1471767 100755
--- a/mingw-w64-crt/math/fpclassify.c
+++ b/mingw-w64-crt/math/fpclassify.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #include <math.h>
 
 /* 'fxam' sets FPU flags C3,C2,C0   'fstsw' stores: 
diff --git a/mingw-w64-crt/math/fpclassifyf.c b/mingw-w64-crt/math/fpclassifyf.c
index 9403f84..1648d71 100755
--- a/mingw-w64-crt/math/fpclassifyf.c
+++ b/mingw-w64-crt/math/fpclassifyf.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #include <math.h>
 int __fpclassifyf (float _x){
   unsigned short sw;
diff --git a/mingw-w64-crt/math/fpclassifyl.c b/mingw-w64-crt/math/fpclassifyl.c
index fb2de85..a93b3c1 100755
--- a/mingw-w64-crt/math/fpclassifyl.c
+++ b/mingw-w64-crt/math/fpclassifyl.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #include <math.h>
 int __fpclassifyl (long double _x){
   unsigned short sw;
diff --git a/mingw-w64-crt/math/frexpf.c b/mingw-w64-crt/math/frexpf.c
index 68c6640..a10bd31 100755
--- a/mingw-w64-crt/math/frexpf.c
+++ b/mingw-w64-crt/math/frexpf.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 extern double __cdecl frexp(double _X,int *_Y);
 
 float frexpf (float x, int* expn)
diff --git a/mingw-w64-crt/math/frexpl.S b/mingw-w64-crt/math/frexpl.S
index 63d5f41..0bf4264 100755
--- a/mingw-w64-crt/math/frexpl.S
+++ b/mingw-w64-crt/math/frexpl.S
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 /*
   Cephes Math Library Release 2.7:  May, 1998
   Copyright 1984, 1987, 1988, 1992, 1998 by Stephen L. Moshier
diff --git a/mingw-w64-crt/math/fucom.c b/mingw-w64-crt/math/fucom.c
index 774c1cb..5243635 100755
--- a/mingw-w64-crt/math/fucom.c
+++ b/mingw-w64-crt/math/fucom.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 int 
 __fp_unordered_compare (long double x,  long double y){
   unsigned short retval;
diff --git a/mingw-w64-crt/math/hypotf.c b/mingw-w64-crt/math/hypotf.c
index 36089f8..0477ddd 100755
--- a/mingw-w64-crt/math/hypotf.c
+++ b/mingw-w64-crt/math/hypotf.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #include <math.h>
 
 float hypotf (float x, float y)
diff --git a/mingw-w64-crt/math/hypotl.c b/mingw-w64-crt/math/hypotl.c
index 6173824..41760cc 100755
--- a/mingw-w64-crt/math/hypotl.c
+++ b/mingw-w64-crt/math/hypotl.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #include <math.h>
 #include <float.h>
 #include <errno.h>
diff --git a/mingw-w64-crt/math/ilogb.S b/mingw-w64-crt/math/ilogb.S
index b6ac4f7..5391967 100755
--- a/mingw-w64-crt/math/ilogb.S
+++ b/mingw-w64-crt/math/ilogb.S
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 /*
  * Written by J.T. Conklin <jtc@netbsd.org>.
  * Public domain.
diff --git a/mingw-w64-crt/math/ilogbf.S b/mingw-w64-crt/math/ilogbf.S
index 0bc72b7..188fd11 100755
--- a/mingw-w64-crt/math/ilogbf.S
+++ b/mingw-w64-crt/math/ilogbf.S
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 /*
  * Written by J.T. Conklin <jtc@netbsd.org>.
  * Public domain.
diff --git a/mingw-w64-crt/math/ilogbl.S b/mingw-w64-crt/math/ilogbl.S
index a1295c8..645e3a7 100755
--- a/mingw-w64-crt/math/ilogbl.S
+++ b/mingw-w64-crt/math/ilogbl.S
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 /*
  * Written by J.T. Conklin <jtc@netbsd.org>.
  * Changes for long double by Ulrich Drepper <drepper@cygnus.com>
diff --git a/mingw-w64-crt/math/isnan.c b/mingw-w64-crt/math/isnan.c
index 43f3a36..4a06e2f 100755
--- a/mingw-w64-crt/math/isnan.c
+++ b/mingw-w64-crt/math/isnan.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #include <math.h>
 
 int
diff --git a/mingw-w64-crt/math/isnanf.c b/mingw-w64-crt/math/isnanf.c
index f3d6117..0acc9a8 100755
--- a/mingw-w64-crt/math/isnanf.c
+++ b/mingw-w64-crt/math/isnanf.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #include <math.h>
 int
 __isnanf (float _x)
diff --git a/mingw-w64-crt/math/isnanl.c b/mingw-w64-crt/math/isnanl.c
index 4aadfc5..a0b083d 100755
--- a/mingw-w64-crt/math/isnanl.c
+++ b/mingw-w64-crt/math/isnanl.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #include <math.h>
 
 int
diff --git a/mingw-w64-crt/math/ldexpf.c b/mingw-w64-crt/math/ldexpf.c
index e41a335..63470f7 100755
--- a/mingw-w64-crt/math/ldexpf.c
+++ b/mingw-w64-crt/math/ldexpf.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 extern double __cdecl ldexp(double _X,int _Y);
 float ldexpf (float x, int expn)
   {return (float) ldexp (x, expn);}
diff --git a/mingw-w64-crt/math/ldexpl.c b/mingw-w64-crt/math/ldexpl.c
index b7aae3d..7f7fd13 100755
--- a/mingw-w64-crt/math/ldexpl.c
+++ b/mingw-w64-crt/math/ldexpl.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #include <math.h>
 #include <errno.h>
 
diff --git a/mingw-w64-crt/math/lgamma.c b/mingw-w64-crt/math/lgamma.c
index 3aa5c56..e8d8139 100755
--- a/mingw-w64-crt/math/lgamma.c
+++ b/mingw-w64-crt/math/lgamma.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #include "cephes_mconf.h"
 
 /* A[]: Stirling's formula expansion of log gamma
diff --git a/mingw-w64-crt/math/lgammaf.c b/mingw-w64-crt/math/lgammaf.c
index 7067a61..33e8351 100755
--- a/mingw-w64-crt/math/lgammaf.c
+++ b/mingw-w64-crt/math/lgammaf.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 /* log gamma(x+2), -.5 < x < .5 */
 static const float B[] = {
  6.055172732649237E-004,
diff --git a/mingw-w64-crt/math/lgammal.c b/mingw-w64-crt/math/lgammal.c
index 18c910b..c72146a 100755
--- a/mingw-w64-crt/math/lgammal.c
+++ b/mingw-w64-crt/math/lgammal.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #include "cephes_mconf.h"
 
 #if UNK
diff --git a/mingw-w64-crt/math/llrint.c b/mingw-w64-crt/math/llrint.c
index 6488648..6357618 100755
--- a/mingw-w64-crt/math/llrint.c
+++ b/mingw-w64-crt/math/llrint.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #include <math.h>
 
 long long llrint (double x) 
diff --git a/mingw-w64-crt/math/llrintf.c b/mingw-w64-crt/math/llrintf.c
index e4a9759..a9d2af0 100755
--- a/mingw-w64-crt/math/llrintf.c
+++ b/mingw-w64-crt/math/llrintf.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #include <math.h>
 
 long long llrintf (float x) 
diff --git a/mingw-w64-crt/math/llrintl.c b/mingw-w64-crt/math/llrintl.c
index 8540185..830e6f2 100755
--- a/mingw-w64-crt/math/llrintl.c
+++ b/mingw-w64-crt/math/llrintl.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #include <math.h>
 
 long long llrintl (long double x) 
diff --git a/mingw-w64-crt/math/llround.c b/mingw-w64-crt/math/llround.c
index 2fec427..fc421f4 100755
--- a/mingw-w64-crt/math/llround.c
+++ b/mingw-w64-crt/math/llround.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #include <math.h>
 #include <limits.h>
 #include <errno.h>
diff --git a/mingw-w64-crt/math/llroundf.c b/mingw-w64-crt/math/llroundf.c
index 6a4bbd6..985a5cb 100755
--- a/mingw-w64-crt/math/llroundf.c
+++ b/mingw-w64-crt/math/llroundf.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #include <math.h>
 #include <limits.h>
 #include <errno.h>
diff --git a/mingw-w64-crt/math/llroundl.c b/mingw-w64-crt/math/llroundl.c
index 7579a2a..c5f381e 100755
--- a/mingw-w64-crt/math/llroundl.c
+++ b/mingw-w64-crt/math/llroundl.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #include <math.h>
 #include <limits.h>
 #include <errno.h>
diff --git a/mingw-w64-crt/math/log10f.S b/mingw-w64-crt/math/log10f.S
index 5b3b982..45ba513 100755
--- a/mingw-w64-crt/math/log10f.S
+++ b/mingw-w64-crt/math/log10f.S
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 /*
  * Written by J.T. Conklin <jtc@netbsd.org>.
  * Public domain.
diff --git a/mingw-w64-crt/math/log10l.S b/mingw-w64-crt/math/log10l.S
index fdae632..c4f48dc 100755
--- a/mingw-w64-crt/math/log10l.S
+++ b/mingw-w64-crt/math/log10l.S
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 /*
  * Written by J.T. Conklin <jtc@netbsd.org>.
  * Public domain.
diff --git a/mingw-w64-crt/math/log1p.S b/mingw-w64-crt/math/log1p.S
index 18c30b6..accae19 100755
--- a/mingw-w64-crt/math/log1p.S
+++ b/mingw-w64-crt/math/log1p.S
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 /*
  * Written by J.T. Conklin <jtc@netbsd.org>.
  * Public domain.
diff --git a/mingw-w64-crt/math/log1pf.S b/mingw-w64-crt/math/log1pf.S
index 95a141b..424e6fd 100755
--- a/mingw-w64-crt/math/log1pf.S
+++ b/mingw-w64-crt/math/log1pf.S
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 /*
  * Written by J.T. Conklin <jtc@netbsd.org>.
  * Public domain.
diff --git a/mingw-w64-crt/math/log1pl.S b/mingw-w64-crt/math/log1pl.S
index ec6e566..1caa143 100755
--- a/mingw-w64-crt/math/log1pl.S
+++ b/mingw-w64-crt/math/log1pl.S
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 /*
  * Written by J.T. Conklin <jtc@netbsd.org>.
  * Public domain.
diff --git a/mingw-w64-crt/math/log2.S b/mingw-w64-crt/math/log2.S
index 761bf6f..117ed36 100755
--- a/mingw-w64-crt/math/log2.S
+++ b/mingw-w64-crt/math/log2.S
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 /*
  * Written by J.T. Conklin <jtc@netbsd.org>.
  * Adapted for use as log2 by Ulrich Drepper <drepper@cygnus.com>.
diff --git a/mingw-w64-crt/math/log2f.S b/mingw-w64-crt/math/log2f.S
index 0c9c5b3..a0e2502 100755
--- a/mingw-w64-crt/math/log2f.S
+++ b/mingw-w64-crt/math/log2f.S
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 /*
  * Written by J.T. Conklin <jtc@netbsd.org>.
  * Adapted for use as log2 by Ulrich Drepper <drepper@cygnus.com>.
diff --git a/mingw-w64-crt/math/log2l.S b/mingw-w64-crt/math/log2l.S
index 7e1a91a..834c25e 100755
--- a/mingw-w64-crt/math/log2l.S
+++ b/mingw-w64-crt/math/log2l.S
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 /*
  * Written by J.T. Conklin <jtc@netbsd.org>.
  * Adapted for use as log2 by Ulrich Drepper <drepper@cygnus.com>.
diff --git a/mingw-w64-crt/math/logb.c b/mingw-w64-crt/math/logb.c
index 26914f1..c7eb0a0 100755
--- a/mingw-w64-crt/math/logb.c
+++ b/mingw-w64-crt/math/logb.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 /*
  * Written by J.T. Conklin <jtc@netbsd.org>.
  * Changes for long double by Ulrich Drepper <drepper@cygnus.com>
diff --git a/mingw-w64-crt/math/logbf.c b/mingw-w64-crt/math/logbf.c
index b75f9e5..3d69a39 100755
--- a/mingw-w64-crt/math/logbf.c
+++ b/mingw-w64-crt/math/logbf.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 /*
  * Written by J.T. Conklin <jtc@netbsd.org>.
  * Changes for long double by Ulrich Drepper <drepper@cygnus.com>
diff --git a/mingw-w64-crt/math/logbl.c b/mingw-w64-crt/math/logbl.c
index 6e17794..b1c1250 100755
--- a/mingw-w64-crt/math/logbl.c
+++ b/mingw-w64-crt/math/logbl.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 /*
  * Written by J.T. Conklin <jtc@netbsd.org>.
  * Changes for long double by Ulrich Drepper <drepper@cygnus.com>
diff --git a/mingw-w64-crt/math/logf.S b/mingw-w64-crt/math/logf.S
index e58363f..1fd8120 100755
--- a/mingw-w64-crt/math/logf.S
+++ b/mingw-w64-crt/math/logf.S
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 /*
  * Written by J.T. Conklin <jtc@netbsd.org>.
  * Public domain.
diff --git a/mingw-w64-crt/math/logl.S b/mingw-w64-crt/math/logl.S
index 77266c7..7332e2e 100755
--- a/mingw-w64-crt/math/logl.S
+++ b/mingw-w64-crt/math/logl.S
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 /*
  * Written by J.T. Conklin <jtc@netbsd.org>.
  * Public domain.
diff --git a/mingw-w64-crt/math/lrint.c b/mingw-w64-crt/math/lrint.c
index 7f2f94c..b9979e3 100755
--- a/mingw-w64-crt/math/lrint.c
+++ b/mingw-w64-crt/math/lrint.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #include <math.h>
 
 long lrint (double x) 
diff --git a/mingw-w64-crt/math/lrintf.c b/mingw-w64-crt/math/lrintf.c
index 2b700bd..94087e3 100755
--- a/mingw-w64-crt/math/lrintf.c
+++ b/mingw-w64-crt/math/lrintf.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #include <math.h>
 
 long lrintf (float x) 
diff --git a/mingw-w64-crt/math/lrintl.c b/mingw-w64-crt/math/lrintl.c
index 06551ac..61a1144 100755
--- a/mingw-w64-crt/math/lrintl.c
+++ b/mingw-w64-crt/math/lrintl.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #include <math.h>
 
 long lrintl (long double x) 
diff --git a/mingw-w64-crt/math/lround.c b/mingw-w64-crt/math/lround.c
index a5a44e8..a08a71e 100755
--- a/mingw-w64-crt/math/lround.c
+++ b/mingw-w64-crt/math/lround.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #include <math.h>
 #include <limits.h>
 #include <errno.h>
diff --git a/mingw-w64-crt/math/lroundf.c b/mingw-w64-crt/math/lroundf.c
index 0706300..439def5 100755
--- a/mingw-w64-crt/math/lroundf.c
+++ b/mingw-w64-crt/math/lroundf.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #include <math.h>
 #include <limits.h>
 #include <errno.h>
diff --git a/mingw-w64-crt/math/lroundl.c b/mingw-w64-crt/math/lroundl.c
index 1aaa246..abf45f6 100755
--- a/mingw-w64-crt/math/lroundl.c
+++ b/mingw-w64-crt/math/lroundl.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #include <math.h>
 #include <limits.h>
 #include <errno.h>
diff --git a/mingw-w64-crt/math/modff.c b/mingw-w64-crt/math/modff.c
index 5b809cf..6611d64 100755
--- a/mingw-w64-crt/math/modff.c
+++ b/mingw-w64-crt/math/modff.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #include <fenv.h>
 #include <math.h>
 #include <errno.h>
diff --git a/mingw-w64-crt/math/modfl.c b/mingw-w64-crt/math/modfl.c
index 66d88ef..c54578b 100755
--- a/mingw-w64-crt/math/modfl.c
+++ b/mingw-w64-crt/math/modfl.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #include <fenv.h>
 #include <math.h>
 #include <errno.h>
diff --git a/mingw-w64-crt/math/nearbyint.S b/mingw-w64-crt/math/nearbyint.S
index eda4211..7c74296 100755
--- a/mingw-w64-crt/math/nearbyint.S
+++ b/mingw-w64-crt/math/nearbyint.S
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 /*
  * Written by J.T. Conklin <jtc@netbsd.org>.
  * Public domain.
diff --git a/mingw-w64-crt/math/nearbyintf.S b/mingw-w64-crt/math/nearbyintf.S
index 18a2689..d21fe45 100755
--- a/mingw-w64-crt/math/nearbyintf.S
+++ b/mingw-w64-crt/math/nearbyintf.S
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 /*
  * Written by J.T. Conklin <jtc@netbsd.org>.
  * Public domain.
diff --git a/mingw-w64-crt/math/nearbyintl.S b/mingw-w64-crt/math/nearbyintl.S
index 2a03ef4..22c3b03 100755
--- a/mingw-w64-crt/math/nearbyintl.S
+++ b/mingw-w64-crt/math/nearbyintl.S
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 /*
  * Written by J.T. Conklin <jtc@netbsd.org>.
  * Public domain.
diff --git a/mingw-w64-crt/math/nextafterf.c b/mingw-w64-crt/math/nextafterf.c
index 78a5a2f..b8a66e7 100755
--- a/mingw-w64-crt/math/nextafterf.c
+++ b/mingw-w64-crt/math/nextafterf.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #include <math.h>
 
 float
diff --git a/mingw-w64-crt/math/nextafterl.c b/mingw-w64-crt/math/nextafterl.c
index 021511e..f0f2835 100755
--- a/mingw-w64-crt/math/nextafterl.c
+++ b/mingw-w64-crt/math/nextafterl.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 /*
    nextafterl.c
    Contributed by Danny Smith <dannysmith@users.sourceforge.net>
diff --git a/mingw-w64-crt/math/nexttoward.c b/mingw-w64-crt/math/nexttoward.c
index f59b141..b9af932 100755
--- a/mingw-w64-crt/math/nexttoward.c
+++ b/mingw-w64-crt/math/nexttoward.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 /*
    nexttoward.c
    Contributed by Danny Smith <dannysmith@users.sourceforge.net>
diff --git a/mingw-w64-crt/math/nexttowardf.c b/mingw-w64-crt/math/nexttowardf.c
index 5d76a59..110266d 100755
--- a/mingw-w64-crt/math/nexttowardf.c
+++ b/mingw-w64-crt/math/nexttowardf.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 /*
    nexttowardf.c
    Contributed by Danny Smith <dannysmith@users.sourceforge.net>
diff --git a/mingw-w64-crt/math/powf.c b/mingw-w64-crt/math/powf.c
index 9bcb569..1dce761 100755
--- a/mingw-w64-crt/math/powf.c
+++ b/mingw-w64-crt/math/powf.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #include <math.h>
 float powf (float x, float y)
   {return (float) pow (x, y);}
diff --git a/mingw-w64-crt/math/powi.c b/mingw-w64-crt/math/powi.c
index d343df6..3966e94 100755
--- a/mingw-w64-crt/math/powi.c
+++ b/mingw-w64-crt/math/powi.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #include "cephes_mconf.h"
 
 #ifndef _SET_ERRNO
diff --git a/mingw-w64-crt/math/powif.c b/mingw-w64-crt/math/powif.c
index a4b438f..b92d737 100755
--- a/mingw-w64-crt/math/powif.c
+++ b/mingw-w64-crt/math/powif.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #include "cephes_mconf.h"
 
 #ifndef _SET_ERRNO
diff --git a/mingw-w64-crt/math/powil.c b/mingw-w64-crt/math/powil.c
index dff99c0..b677671 100755
--- a/mingw-w64-crt/math/powil.c
+++ b/mingw-w64-crt/math/powil.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #include "cephes_mconf.h"
 
 #ifndef _SET_ERRNO
diff --git a/mingw-w64-crt/math/powl.c b/mingw-w64-crt/math/powl.c
index e24700c..e002e98 100755
--- a/mingw-w64-crt/math/powl.c
+++ b/mingw-w64-crt/math/powl.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #include "cephes_mconf.h"
 #ifndef _SET_ERRNO
 #define _SET_ERRNO(x)
diff --git a/mingw-w64-crt/math/remainder.S b/mingw-w64-crt/math/remainder.S
index 8fa47e9..2cc8661 100755
--- a/mingw-w64-crt/math/remainder.S
+++ b/mingw-w64-crt/math/remainder.S
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 /*
  * Written by J.T. Conklin <jtc@netbsd.org>.
  * Public domain.
diff --git a/mingw-w64-crt/math/remainderf.S b/mingw-w64-crt/math/remainderf.S
index 8e76b78..9cf6a9e 100755
--- a/mingw-w64-crt/math/remainderf.S
+++ b/mingw-w64-crt/math/remainderf.S
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 /*
  * Written by J.T. Conklin <jtc@netbsd.org>.
  * Public domain.
diff --git a/mingw-w64-crt/math/remainderl.S b/mingw-w64-crt/math/remainderl.S
index f0f6481..9e70af1 100755
--- a/mingw-w64-crt/math/remainderl.S
+++ b/mingw-w64-crt/math/remainderl.S
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 /*
  * Written by J.T. Conklin <jtc@netbsd.org>.
  * Public domain.
diff --git a/mingw-w64-crt/math/remquo.S b/mingw-w64-crt/math/remquo.S
index befc95f..d459cb3 100755
--- a/mingw-w64-crt/math/remquo.S
+++ b/mingw-w64-crt/math/remquo.S
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 /*
  * Written by Ulrich Drepper <drepper@cygnus.com>.
  * Based on e_remainder by J.T. Conklin <jtc@netbsd.org>.
diff --git a/mingw-w64-crt/math/remquof.S b/mingw-w64-crt/math/remquof.S
index efd03d1..4ea5491 100755
--- a/mingw-w64-crt/math/remquof.S
+++ b/mingw-w64-crt/math/remquof.S
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 /*
  * Written by Ulrich Drepper <drepper@cygnus.com>.
  * Based on e_remainder by J.T. Conklin <jtc@netbsd.org>.
diff --git a/mingw-w64-crt/math/remquol.S b/mingw-w64-crt/math/remquol.S
index 0282431..b31153c 100755
--- a/mingw-w64-crt/math/remquol.S
+++ b/mingw-w64-crt/math/remquol.S
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 /*
  * Written by Ulrich Drepper <drepper@cygnus.com>.
  * Based on e_remainder by J.T. Conklin <jtc@netbsd.org>.
diff --git a/mingw-w64-crt/math/rint.c b/mingw-w64-crt/math/rint.c
index 6d966ca..9e68528 100755
--- a/mingw-w64-crt/math/rint.c
+++ b/mingw-w64-crt/math/rint.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #include <math.h>
 double rint (double x){
   double retval;
diff --git a/mingw-w64-crt/math/rintf.c b/mingw-w64-crt/math/rintf.c
index 9bcbf97..de3ec8f 100755
--- a/mingw-w64-crt/math/rintf.c
+++ b/mingw-w64-crt/math/rintf.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #include <math.h>
 
 float rintf (float x){
diff --git a/mingw-w64-crt/math/rintl.c b/mingw-w64-crt/math/rintl.c
index fec482d..f36b22f 100755
--- a/mingw-w64-crt/math/rintl.c
+++ b/mingw-w64-crt/math/rintl.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #include <math.h>
 
 long double rintl (long double x){
diff --git a/mingw-w64-crt/math/round.c b/mingw-w64-crt/math/round.c
index fc38acd..3eaa37f 100755
--- a/mingw-w64-crt/math/round.c
+++ b/mingw-w64-crt/math/round.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #include <math.h>
 
 double
diff --git a/mingw-w64-crt/math/roundf.c b/mingw-w64-crt/math/roundf.c
index f7825fb..3943c74 100755
--- a/mingw-w64-crt/math/roundf.c
+++ b/mingw-w64-crt/math/roundf.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #include <math.h>
 
 float
diff --git a/mingw-w64-crt/math/roundl.c b/mingw-w64-crt/math/roundl.c
index 18ea455..9f91a22 100755
--- a/mingw-w64-crt/math/roundl.c
+++ b/mingw-w64-crt/math/roundl.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #include <math.h>
 
 long double
diff --git a/mingw-w64-crt/math/s_erf.c b/mingw-w64-crt/math/s_erf.c
index 41c6ba2..90cb0c5 100755
--- a/mingw-w64-crt/math/s_erf.c
+++ b/mingw-w64-crt/math/s_erf.c
@@ -1,4 +1,8 @@
-
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 /* @(#)s_erf.c 1.3 95/01/18 */
 /*
  * ====================================================
diff --git a/mingw-w64-crt/math/scalbn.S b/mingw-w64-crt/math/scalbn.S
index 8948ce2..ba115d9 100755
--- a/mingw-w64-crt/math/scalbn.S
+++ b/mingw-w64-crt/math/scalbn.S
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 /*
  * Written by J.T. Conklin <jtc@netbsd.org>.
  * Public domain.
diff --git a/mingw-w64-crt/math/scalbnf.S b/mingw-w64-crt/math/scalbnf.S
index d012c34..d26b068 100755
--- a/mingw-w64-crt/math/scalbnf.S
+++ b/mingw-w64-crt/math/scalbnf.S
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 /*
  * Written by J.T. Conklin <jtc@netbsd.org>.
  * Public domain.
diff --git a/mingw-w64-crt/math/scalbnl.S b/mingw-w64-crt/math/scalbnl.S
index 71831fc..33b3ffd 100755
--- a/mingw-w64-crt/math/scalbnl.S
+++ b/mingw-w64-crt/math/scalbnl.S
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 /*
  * Written by J.T. Conklin <jtc@netbsd.org>.
  * Changes for long double by Ulrich Drepper <drepper@cygnus.com>
diff --git a/mingw-w64-crt/math/sf_erf.c b/mingw-w64-crt/math/sf_erf.c
index f297cd8..a778a52 100755
--- a/mingw-w64-crt/math/sf_erf.c
+++ b/mingw-w64-crt/math/sf_erf.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 /* sf_erf.c -- float version of s_erf.c.
  * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
  */
diff --git a/mingw-w64-crt/math/signbit.c b/mingw-w64-crt/math/signbit.c
index ebf7fc6..57cf9f5 100755
--- a/mingw-w64-crt/math/signbit.c
+++ b/mingw-w64-crt/math/signbit.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #define __FP_SIGNBIT  0x0200
 
 int __signbit (double x) {
diff --git a/mingw-w64-crt/math/signbitf.c b/mingw-w64-crt/math/signbitf.c
index b2a7058..98fc753 100755
--- a/mingw-w64-crt/math/signbitf.c
+++ b/mingw-w64-crt/math/signbitf.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #define __FP_SIGNBIT  0x0200
 
 int __signbitf (float x) {
diff --git a/mingw-w64-crt/math/signbitl.c b/mingw-w64-crt/math/signbitl.c
index ee75420..2d9c4d5 100755
--- a/mingw-w64-crt/math/signbitl.c
+++ b/mingw-w64-crt/math/signbitl.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #define __FP_SIGNBIT  0x0200
 
 int __signbitl (long double x) {
diff --git a/mingw-w64-crt/math/sinf.S b/mingw-w64-crt/math/sinf.S
index ea40c35..827dd84 100755
--- a/mingw-w64-crt/math/sinf.S
+++ b/mingw-w64-crt/math/sinf.S
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 /*
  * Written by J.T. Conklin <jtc@netbsd.org>.
  * Public domain.
diff --git a/mingw-w64-crt/math/sinhf.c b/mingw-w64-crt/math/sinhf.c
index e770cb7..e79e0eb 100755
--- a/mingw-w64-crt/math/sinhf.c
+++ b/mingw-w64-crt/math/sinhf.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #include <math.h>
 float sinhf (float x)
   {return (float) sinh (x);}
diff --git a/mingw-w64-crt/math/sinhl.c b/mingw-w64-crt/math/sinhl.c
index 44bdb73..b780897 100755
--- a/mingw-w64-crt/math/sinhl.c
+++ b/mingw-w64-crt/math/sinhl.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #include "cephes_mconf.h"
 
 #ifndef _SET_ERRNO
diff --git a/mingw-w64-crt/math/sinl.S b/mingw-w64-crt/math/sinl.S
index 7a1adef..2ea7978 100755
--- a/mingw-w64-crt/math/sinl.S
+++ b/mingw-w64-crt/math/sinl.S
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 /*
  * Written by J.T. Conklin <jtc@netbsd.org>.
  * Public domain.
diff --git a/mingw-w64-crt/math/sqrtf.c b/mingw-w64-crt/math/sqrtf.c
index 725a61d..f68921c 100755
--- a/mingw-w64-crt/math/sqrtf.c
+++ b/mingw-w64-crt/math/sqrtf.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #include <math.h>
 #include <errno.h>
 
diff --git a/mingw-w64-crt/math/sqrtl.c b/mingw-w64-crt/math/sqrtl.c
index f0c823c..1810e2f 100755
--- a/mingw-w64-crt/math/sqrtl.c
+++ b/mingw-w64-crt/math/sqrtl.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #include <math.h>
 #include <errno.h>
 
diff --git a/mingw-w64-crt/math/tanf.S b/mingw-w64-crt/math/tanf.S
index 1e7603b..e9b30e3 100755
--- a/mingw-w64-crt/math/tanf.S
+++ b/mingw-w64-crt/math/tanf.S
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 /*
  * Written by J.T. Conklin <jtc@netbsd.org>.
  * Public domain.
diff --git a/mingw-w64-crt/math/tanhf.c b/mingw-w64-crt/math/tanhf.c
index 0f1b5a8..e21f5fc 100755
--- a/mingw-w64-crt/math/tanhf.c
+++ b/mingw-w64-crt/math/tanhf.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #include <math.h>
 float tanhf (float x)
   {return (float) tanh (x);}
diff --git a/mingw-w64-crt/math/tanhl.c b/mingw-w64-crt/math/tanhl.c
index 33df1b2..8df3888 100755
--- a/mingw-w64-crt/math/tanhl.c
+++ b/mingw-w64-crt/math/tanhl.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #include "cephes_mconf.h"
 #ifndef _SET_ERRNO
 #define _SET_ERRNO(x)
diff --git a/mingw-w64-crt/math/tanl.S b/mingw-w64-crt/math/tanl.S
index 05bbe4d..ca083e6 100755
--- a/mingw-w64-crt/math/tanl.S
+++ b/mingw-w64-crt/math/tanl.S
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 /*
  * Written by J.T. Conklin <jtc@netbsd.org>.
  * Public domain.
diff --git a/mingw-w64-crt/math/tgamma.c b/mingw-w64-crt/math/tgamma.c
index 7d059ff..594b088 100755
--- a/mingw-w64-crt/math/tgamma.c
+++ b/mingw-w64-crt/math/tgamma.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #include "cephes_mconf.h"
 
 #ifdef UNK
diff --git a/mingw-w64-crt/math/tgammaf.c b/mingw-w64-crt/math/tgammaf.c
index c0efba6..a2d584f 100755
--- a/mingw-w64-crt/math/tgammaf.c
+++ b/mingw-w64-crt/math/tgammaf.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #include "cephes_mconf.h"
 
 /* define MAXGAM 34.84425627277176174 */
diff --git a/mingw-w64-crt/math/tgammal.c b/mingw-w64-crt/math/tgammal.c
index 8fa3bd6..aec208f 100755
--- a/mingw-w64-crt/math/tgammal.c
+++ b/mingw-w64-crt/math/tgammal.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #include "cephes_mconf.h"
 
 /*
diff --git a/mingw-w64-crt/math/trunc.c b/mingw-w64-crt/math/trunc.c
index 7c3a5d6..d1cd6ed 100755
--- a/mingw-w64-crt/math/trunc.c
+++ b/mingw-w64-crt/math/trunc.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #include <fenv.h>
 #include <math.h>
 
diff --git a/mingw-w64-crt/math/truncf.c b/mingw-w64-crt/math/truncf.c
index 2c6d368..df3f17d 100755
--- a/mingw-w64-crt/math/truncf.c
+++ b/mingw-w64-crt/math/truncf.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #include <fenv.h>
 #include <math.h>
 
diff --git a/mingw-w64-crt/math/truncl.c b/mingw-w64-crt/math/truncl.c
index 1713085..7758635 100755
--- a/mingw-w64-crt/math/truncl.c
+++ b/mingw-w64-crt/math/truncl.c
@@ -1,3 +1,8 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
 #include <fenv.h>
 #include <math.h>