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/*
* R : A Computer Language for Statistical Data Analysis
* Copyright (C) 2003-2019 The R Core Team.
*
* This header file is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This file is part of R. R is distributed under the terms of the
* GNU General Public License, either Version 2, June 1991 or Version 3,
* June 2007. See doc/COPYRIGHTS for details of the copyright status of R.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, a copy is available at
* https://www.R-project.org/Licenses/
*/
/*
C declarations of BLAS Fortran subroutines always available in R.
Part of the API.
R packages that use these should have PKG_LIBS in src/Makevars include
$(BLAS_LIBS) $(FLIBS)
*/
/* Part of the API */
#ifndef R_BLAS_H
#define R_BLAS_H
#include <R_ext/RS.h> /* for F77_... */
#include <R_ext/Complex.h> /* for Rcomplex */
#ifdef FC_LEN_T
# include <stddef.h> // for size_t if needed
# define FCLEN ,FC_LEN_T
# define FCONE ,(FC_LEN_T)1
#else
# define FCLEN
# define FCONE
#endif
#ifdef __cplusplus
extern "C" {
#endif
// never defined in R itself.
#ifndef BLAS_extern
#define BLAS_extern extern
#endif
/* Double Precision Level 1 BLAS */
BLAS_extern double /* DASUM - sum of absolute values of a one-dimensional array */
F77_NAME(dasum)(const int *n, const double *dx, const int *incx);
BLAS_extern void /* DAXPY - replace y by da*x + y */
F77_NAME(daxpy)(const int *n, const double *da,
const double *dx, const int *incx,
double *dy, const int *incy);
BLAS_extern void /* DCOPY - copy x to y */
F77_NAME(dcopy)(const int *n, const double *dx, const int *incx,
double *dy, const int *incy);
BLAS_extern double /* DDOT - inner product of x and y */
F77_NAME(ddot)(const int *n, const double *dx, const int *incx,
const double *dy, const int *incy);
BLAS_extern double /* DNRM2 - 2-norm of a vector */
F77_NAME(dnrm2)(const int *n, const double *dx, const int *incx);
BLAS_extern void /* DROT - apply a Given's rotation */
F77_NAME(drot)(const int *n, double *dx, const int *incx,
double *dy, const int *incy, const double *c, const double *s);
BLAS_extern void /* DROTG - generate a Given's rotation */
F77_NAME(drotg)(const double *a, const double *b, double *c, double *s);
BLAS_extern void /* DROTM - apply a modified Given's rotation */
F77_NAME(drotm)(const int *n, double *dx, const int *incx,
double *dy, const int *incy, const double *dparam);
BLAS_extern void /* DROTMG - generate a modified Given's rotation */
F77_NAME(drotmg)(const double *dd1, const double *dd2, const double *dx1,
const double *dy1, double *param);
BLAS_extern void /* DSCAL - scale a one-dimensional array */
F77_NAME(dscal)(const int *n, const double *alpha, double *dx, const int *incx);
BLAS_extern void /* DSWAP - interchange one-dimensional arrays */
F77_NAME(dswap)(const int *n, double *dx, const int *incx,
double *dy, const int *incy);
BLAS_extern int /* IDAMAX - return the index of the element with max abs value */
F77_NAME(idamax)(const int *n, const double *dx, const int *incx);
/* Double Precision Level 2 BLAS */
/* DGBMV - perform one of the matrix-vector operations */
/* y := alpha*A*x + beta*y, or y := alpha*A'*x + beta*y, */
BLAS_extern void
F77_NAME(dgbmv)(const char *trans, const int *m, const int *n,
const int *kl,const int *ku,
const double *alpha, const double *a, const int *lda,
const double *x, const int *incx,
const double *beta, double *y, const int *incy FCLEN);
/* DGEMV - perform one of the matrix-vector operations */
/* y := alpha*A*x + beta*y, or y := alpha*A'*x + beta*y, */
BLAS_extern void
F77_NAME(dgemv)(const char *trans, const int *m, const int *n,
const double *alpha, const double *a, const int *lda,
const double *x, const int *incx, const double *beta,
double *y, const int *incy FCLEN);
/* DSBMV - perform the matrix-vector operation */
/* y := alpha*A*x + beta*y, */
BLAS_extern void
F77_NAME(dsbmv)(const char *uplo, const int *n, const int *k,
const double *alpha, const double *a, const int *lda,
const double *x, const int *incx,
const double *beta, double *y, const int *incy FCLEN);
/* DSPMV - perform the matrix-vector operation */
/* y := alpha*A*x + beta*y, */
BLAS_extern void
F77_NAME(dspmv)(const char *uplo, const int *n,
const double *alpha, const double *ap,
const double *x, const int *incx,
const double *beta, double *y, const int *incy FCLEN);
/* DSYMV - perform the matrix-vector operation */
/* y := alpha*A*x + beta*y, */
BLAS_extern void
F77_NAME(dsymv)(const char *uplo, const int *n, const double *alpha,
const double *a, const int *lda,
const double *x, const int *incx,
const double *beta, double *y, const int *incy FCLEN);
/* DTBMV - perform one of the matrix-vector operations */
/* x := A*x, or x := A'*x, */
BLAS_extern void
F77_NAME(dtbmv)(const char *uplo, const char *trans,
const char *diag, const int *n, const int *k,
const double *a, const int *lda,
double *x, const int *incx FCLEN FCLEN FCLEN);
/* DTPMV - perform one of the matrix-vector operations */
/* x := A*x, or x := A'*x, */
BLAS_extern void
F77_NAME(dtpmv)(const char *uplo, const char *trans, const char *diag,
const int *n, const double *ap,
double *x, const int *incx FCLEN FCLEN FCLEN);
/* DTRMV - perform one of the matrix-vector operations */
/* x := A*x, or x := A'*x, */
BLAS_extern void
F77_NAME(dtrmv)(const char *uplo, const char *trans, const char *diag,
const int *n, const double *a, const int *lda,
double *x, const int *incx FCLEN FCLEN FCLEN);
/* DTBSV - solve one of the systems of equations */
/* A*x = b, or A'*x = b, */
BLAS_extern void
F77_NAME(dtbsv)(const char *uplo, const char *trans,
const char *diag, const int *n, const int *k,
const double *a, const int *lda,
double *x, const int *incx FCLEN FCLEN FCLEN);
/* DTPSV - solve one of the systems of equations */
/* A*x = b, or A'*x = b, */
BLAS_extern void
F77_NAME(dtpsv)(const char *uplo, const char *trans,
const char *diag, const int *n,
const double *ap, double *x, const int *incx
FCLEN FCLEN FCLEN);
/* DTRSV - solve one of the systems of equations */
/* A*x = b, or A'*x = b, */
BLAS_extern void
F77_NAME(dtrsv)(const char *uplo, const char *trans,
const char *diag, const int *n,
const double *a, const int *lda,
double *x, const int *incx FCLEN FCLEN FCLEN);
/* DGER - perform the rank 1 operation A := alpha*x*y' + A */
BLAS_extern void
F77_NAME(dger)(const int *m, const int *n, const double *alpha,
const double *x, const int *incx,
const double *y, const int *incy,
double *a, const int *lda);
/* DSYR - perform the symmetric rank 1 operation A := alpha*x*x' + A */
BLAS_extern void
F77_NAME(dsyr)(const char *uplo, const int *n, const double *alpha,
const double *x, const int *incx,
double *a, const int *lda FCLEN);
/* DSPR - perform the symmetric rank 1 operation A := alpha*x*x' + A */
BLAS_extern void
F77_NAME(dspr)(const char *uplo, const int *n, const double *alpha,
const double *x, const int *incx, double *ap FCLEN);
/* DSYR2 - perform the symmetric rank 2 operation */
/* A := alpha*x*y' + alpha*y*x' + A, */
BLAS_extern void
F77_NAME(dsyr2)(const char *uplo, const int *n, const double *alpha,
const double *x, const int *incx,
const double *y, const int *incy,
double *a, const int *lda FCLEN);
/* DSPR2 - perform the symmetric rank 2 operation */
/* A := alpha*x*y' + alpha*y*x' + A, */
BLAS_extern void
F77_NAME(dspr2)(const char *uplo, const int *n, const double *alpha,
const double *x, const int *incx,
const double *y, const int *incy, double *ap FCLEN);
/* Double Precision Level 3 BLAS */
/* DGEMM - perform one of the matrix-matrix operations */
/* C := alpha*op( A )*op( B ) + beta*C */
BLAS_extern void
F77_NAME(dgemm)(const char *transa, const char *transb, const int *m,
const int *n, const int *k, const double *alpha,
const double *a, const int *lda,
const double *b, const int *ldb,
const double *beta, double *c, const int *ldc
FCLEN FCLEN);
/* DTRSM - solve one of the matrix equations */
/* op(A)*X = alpha*B, or X*op(A) = alpha*B */
BLAS_extern void
F77_NAME(dtrsm)(const char *side, const char *uplo,
const char *transa, const char *diag,
const int *m, const int *n, const double *alpha,
const double *a, const int *lda,
double *b, const int *ldb
FCLEN FCLEN FCLEN FCLEN);
/* DTRMM - perform one of the matrix-matrix operations */
/* B := alpha*op( A )*B, or B := alpha*B*op( A ) */
BLAS_extern void
F77_NAME(dtrmm)(const char *side, const char *uplo, const char *transa,
const char *diag, const int *m, const int *n,
const double *alpha, const double *a, const int *lda,
double *b, const int *ldb
FCLEN FCLEN FCLEN FCLEN);
/* DSYMM - perform one of the matrix-matrix operations */
/* C := alpha*A*B + beta*C, */
BLAS_extern void
F77_NAME(dsymm)(const char *side, const char *uplo, const int *m,
const int *n, const double *alpha,
const double *a, const int *lda,
const double *b, const int *ldb,
const double *beta, double *c, const int *ldc
FCLEN FCLEN);
/* DSYRK - perform one of the symmetric rank k operations */
/* C := alpha*A*A' + beta*C or C := alpha*A'*A + beta*C */
BLAS_extern void
F77_NAME(dsyrk)(const char *uplo, const char *trans,
const int *n, const int *k,
const double *alpha, const double *a, const int *lda,
const double *beta, double *c, const int *ldc
FCLEN FCLEN);
/* DSYR2K - perform one of the symmetric rank 2k operations */
/* C := alpha*A*B' + alpha*B*A' + beta*C or */
/* C := alpha*A'*B + alpha*B'*A + beta*C */
BLAS_extern void
F77_NAME(dsyr2k)(const char *uplo, const char *trans,
const int *n, const int *k,
const double *alpha, const double *a, const int *lda,
const double *b, const int *ldb,
const double *beta, double *c, const int *ldc
FCLEN FCLEN);
/*
LSAME is a LAPACK support routine, not part of BLAS
*/
/* Double complex BLAS routines added for 2.3.0 */
/* #ifdef HAVE_FORTRAN_DOUBLE_COMPLEX */
BLAS_extern double
F77_NAME(dcabs1)(const Rcomplex *z);
BLAS_extern double
F77_NAME(dzasum)(const int *n, const Rcomplex *zx, const int *incx);
BLAS_extern double
F77_NAME(dznrm2)(const int *n, const Rcomplex *x, const int *incx);
BLAS_extern int
F77_NAME(izamax)(const int *n, const Rcomplex *zx, const int *incx);
BLAS_extern void
F77_NAME(zaxpy)(const int *n, const Rcomplex *za, const Rcomplex *zx,
const int *incx, const Rcomplex *zy, const int *incy);
BLAS_extern void
F77_NAME(zcopy)(const int *n, const Rcomplex *zx, const int *incx,
const Rcomplex *zy, const int *incy);
/* WARNING! The next two return a value that may not be
compatible between C and Fortran, and even if it is, this might
not be the right translation to C. Only use after
configure-testing with your compilers.
*/
BLAS_extern Rcomplex
F77_NAME(zdotc)(const int *n,
const Rcomplex *zx, const int *incx,
const Rcomplex *zy, const int *incy);
BLAS_extern Rcomplex
F77_NAME(zdotu)(const int *n,
const Rcomplex *zx, const int *incx,
const Rcomplex *zy, const int *incy);
BLAS_extern void
F77_NAME(zdrot)(const int *n,
const Rcomplex *zx, const int *incx,
Rcomplex *zy, const int *incy,
const double *c, const double *s);
BLAS_extern void
F77_NAME(zdscal)(const int *n, const double *da,
Rcomplex *zx, const int *incx);
BLAS_extern void
F77_NAME(zgbmv)(const char *trans, int *m, int *n, int *kl,
int *ku, Rcomplex *alpha, Rcomplex *a, int *lda,
Rcomplex *x, int *incx, Rcomplex *beta, Rcomplex *y,
int *incy FCLEN);
BLAS_extern void
F77_NAME(zgemm)(const char *transa, const char *transb, const int *m,
const int *n, const int *k, const Rcomplex *alpha,
const Rcomplex *a, const int *lda,
const Rcomplex *b, const int *ldb,
const Rcomplex *beta, Rcomplex *c, const int *ldc
FCLEN FCLEN);
BLAS_extern void
F77_NAME(zgemv)(const char *trans, const int *m, const int *n,
const Rcomplex *alpha, const Rcomplex *a, const int *lda,
const Rcomplex *x, const int *incx, const Rcomplex *beta,
Rcomplex *y, const int *incy FCLEN);
BLAS_extern void
F77_NAME(zgerc)(const int *m, const int *n, const Rcomplex *alpha,
const Rcomplex *x, const int *incx, const Rcomplex *y,
const int *incy, Rcomplex *a, const int *lda);
BLAS_extern void
F77_NAME(zgeru)(const int *m, const int *n, const Rcomplex *alpha,
const Rcomplex *x, const int *incx, const Rcomplex *y,
const int *incy, Rcomplex *a, const int *lda);
BLAS_extern void
F77_NAME(zhbmv)(const char *uplo, const int *n, const int *k,
const Rcomplex *alpha, const Rcomplex *a, const int *lda,
const Rcomplex *x, const int *incx, const Rcomplex *beta,
Rcomplex *y, const int *incy FCLEN);
BLAS_extern void
F77_NAME(zhemm)(const char *side, const char *uplo, const int *m,
const int *n, const Rcomplex *alpha, const Rcomplex *a,
const int *lda, const Rcomplex *b, const int *ldb,
const Rcomplex *beta, Rcomplex *c, const int *ldc
FCLEN FCLEN);
BLAS_extern void
F77_NAME(zhemv)(const char *uplo, const int *n, const Rcomplex *alpha,
const Rcomplex *a, const int *lda, const Rcomplex *x,
const int *incx, const Rcomplex *beta,
Rcomplex *y, const int *incy FCLEN);
BLAS_extern void
F77_NAME(zher)(const char *uplo, const int *n, const double *alpha,
const Rcomplex *x, const int *incx, Rcomplex *a,
const int *lda FCLEN);
BLAS_extern void
F77_NAME(zher2)(const char *uplo, const int *n, const Rcomplex *alpha,
const Rcomplex *x, const int *incx, const Rcomplex *y,
const int *incy, Rcomplex *a, const int *lda FCLEN);
BLAS_extern void
F77_NAME(zher2k)(const char *uplo, const char *trans, const int *n,
const int *k, const Rcomplex *alpha, const Rcomplex *a,
const int *lda, const Rcomplex *b, const int *ldb,
const double *beta, Rcomplex *c, const int *ldc
FCLEN FCLEN);
BLAS_extern void
F77_NAME(zherk)(const char *uplo, const char *trans, const int *n,
const int *k, const double *alpha, const Rcomplex *a,
const int *lda, const double *beta, Rcomplex *c,
const int *ldc FCLEN FCLEN);
BLAS_extern void
F77_NAME(zhpmv)(const char *uplo, const int *n, const Rcomplex *alpha,
const Rcomplex *ap, const Rcomplex *x, const int *incx,
const Rcomplex * beta, Rcomplex *y, const int *incy
FCLEN);
BLAS_extern void
F77_NAME(zhpr)(const char *uplo, const int *n, const double *alpha,
const Rcomplex *x, const int *incx, Rcomplex *ap
FCLEN);
BLAS_extern void
F77_NAME(zhpr2)(const char *uplo, const int *n, const Rcomplex *alpha,
const Rcomplex *x, const int *incx, const Rcomplex *y,
const int *incy, Rcomplex *ap FCLEN);
BLAS_extern void
F77_NAME(zrotg)(const Rcomplex *ca, const Rcomplex *cb,
double *c, Rcomplex *s);
BLAS_extern void
F77_NAME(zscal)(const int *n, const Rcomplex *za, Rcomplex *zx,
const int *incx);
BLAS_extern void
F77_NAME(zswap)(const int *n, Rcomplex *zx, const int *incx,
Rcomplex *zy, const int *incy);
BLAS_extern void
F77_NAME(zsymm)(const char *side, const char *uplo, const int *m,
const int *n, const Rcomplex *alpha, const Rcomplex *a,
const int *lda, const Rcomplex *b, const int *ldb,
const Rcomplex *beta, Rcomplex *c, const int *ldc
FCLEN FCLEN);
BLAS_extern void
F77_NAME(zsyr2k)(const char *uplo, const char *trans, int *n, int *k,
Rcomplex *alpha, Rcomplex *a, int *lda, Rcomplex *b,
int *ldb, Rcomplex *beta, Rcomplex *c, int *ldc
FCLEN FCLEN);
BLAS_extern void
F77_NAME(zsyrk)(const char *uplo, const char *trans, const int *n,
const int *k, const Rcomplex *alpha, const Rcomplex *a,
const int *lda, const Rcomplex *beta, Rcomplex *c,
const int *ldc FCLEN FCLEN);
BLAS_extern void
F77_NAME(ztbmv)(const char *uplo, const char *trans, const char *diag,
const int *n, const int *k, const Rcomplex *a,
const int *lda, Rcomplex *x, const int *incx
FCLEN FCLEN FCLEN);
BLAS_extern void
F77_NAME(ztbsv)(const char *uplo, const char *trans, const char *diag,
const int *n, const int *k, const Rcomplex *a,
const int *lda, Rcomplex *x, const int *incx
FCLEN FCLEN FCLEN);
BLAS_extern void
F77_NAME(ztpmv)(const char *uplo, const char *trans, const char *diag,
const int *n, const Rcomplex *ap, Rcomplex *x,
const int *incx FCLEN FCLEN FCLEN);
BLAS_extern void
F77_NAME(ztpsv)(const char *uplo, const char *trans, const char *diag,
const int *n, const Rcomplex *ap, Rcomplex *x,
const int *incx FCLEN FCLEN FCLEN);
BLAS_extern void
F77_NAME(ztrmm)(const char *side, const char *uplo, const char *transa,
const char *diag, const int *m, const int *n,
const Rcomplex *alpha, const Rcomplex *a,
const int *lda, Rcomplex *b, const int *ldb
FCLEN FCLEN FCLEN FCLEN);
BLAS_extern void
F77_NAME(ztrmv)(const char *uplo, const char *trans, const char *diag,
const int *n, const Rcomplex *a, const int *lda,
Rcomplex *x, const int *incx
FCLEN FCLEN FCLEN);
BLAS_extern void
F77_NAME(ztrsm)(const char *side, const char *uplo, const char *transa,
const char *diag, int *m, int *n, Rcomplex *alpha,
Rcomplex *a, int *lda, Rcomplex *b, int *ldb
FCLEN FCLEN FCLEN FCLEN);
BLAS_extern void
F77_NAME(ztrsv)(const char *uplo, const char *trans, const char *diag,
const int *n, const Rcomplex *a, const int *lda,
Rcomplex *x, const int *incx
FCLEN FCLEN FCLEN);
/* #endif */
#ifdef __cplusplus
}
#endif
#endif /* R_BLAS_H */