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// This file is part of Eigen, a lightweight C++ template library
// for linear algebra.
//
// Copyright (C) 2020 Everton Constantino <everton.constantino@ibm.com>
//
// This Source Code Form is subject to the terms of the Mozilla
// Public License v. 2.0. If a copy of the MPL was not distributed
// with this file, You can obtain one at http://mozilla.org/MPL/2.0/
#include "main.h"
// Disable "ignoring attributes on template argument"
// for packet_traits<Packet*>
// => The only workaround would be to wrap _m128 and the likes
// within wrappers.
#if EIGEN_GNUC_STRICT_AT_LEAST(6, 0, 0)
#pragma GCC diagnostic ignored "-Wignored-attributes"
#endif
#define GET(i, j) (StorageOrder == RowMajor ? (i) * stride + (j) : (i) + (j) * stride)
#define SCATTER(i, j, k) (StorageOrder == RowMajor ? ((i) + (k)) * stride + (j) : (i) + ((j) + (k)) * stride)
template <typename Scalar, typename Packet>
void compare(const Packet& a, const Packet& b) {
int pktsz = internal::packet_traits<Scalar>::size;
Scalar* buffA = new Scalar[pktsz];
Scalar* buffB = new Scalar[pktsz];
internal::pstoreu<Scalar, Packet>(buffA, a);
internal::pstoreu<Scalar, Packet>(buffB, b);
for (int i = 0; i < pktsz; i++) {
VERIFY_IS_EQUAL(buffA[i], buffB[i]);
}
delete[] buffA;
delete[] buffB;
}
template <typename Scalar, int StorageOrder, int n>
struct PacketBlockSet {
typedef typename internal::packet_traits<Scalar>::type Packet;
void setPacketBlock(internal::PacketBlock<Packet, n>& block, Scalar value) {
for (int idx = 0; idx < n; idx++) {
block.packet[idx] = internal::pset1<Packet>(value);
}
}
void comparePacketBlock(Scalar* data, int i, int j, int stride, internal::PacketBlock<Packet, n>& block) {
for (int idx = 0; idx < n; idx++) {
Packet line = internal::ploadu<Packet>(data + SCATTER(i, j, idx));
compare<Scalar, Packet>(block.packet[idx], line);
}
}
};
template <typename Scalar, int StorageOrder, int BlockSize>
void run_bdmp_spec_1() {
typedef internal::blas_data_mapper<Scalar, int, StorageOrder> BlasDataMapper;
int packetSize = internal::packet_traits<Scalar>::size;
int minSize = std::max<int>(packetSize, BlockSize);
typedef typename internal::packet_traits<Scalar>::type Packet;
int szm = internal::random<int>(minSize, 500), szn = internal::random<int>(minSize, 500);
int stride = StorageOrder == RowMajor ? szn : szm;
Scalar* d = new Scalar[szn * szm];
// Initializing with random entries
for (int i = 0; i < szm * szn; i++) {
d[i] = internal::random<Scalar>(static_cast<Scalar>(3), static_cast<Scalar>(10));
}
BlasDataMapper bdm(d, stride);
// Testing operator()
for (int i = 0; i < szm; i++) {
for (int j = 0; j < szn; j++) {
VERIFY_IS_EQUAL(d[GET(i, j)], bdm(i, j));
}
}
// Testing getSubMapper and getLinearMapper
int i0 = internal::random<int>(0, szm - 2);
int j0 = internal::random<int>(0, szn - 2);
for (int i = i0; i < szm; i++) {
for (int j = j0; j < szn; j++) {
const BlasDataMapper& bdmSM = bdm.getSubMapper(i0, j0);
const internal::BlasLinearMapper<Scalar, int, 0>& bdmLM = bdm.getLinearMapper(i0, j0);
Scalar v = bdmSM(i - i0, j - j0);
Scalar vd = d[GET(i, j)];
VERIFY_IS_EQUAL(vd, v);
VERIFY_IS_EQUAL(vd, bdmLM(GET(i - i0, j - j0)));
}
}
// Testing loadPacket
for (int i = 0; i < szm - minSize; i++) {
for (int j = 0; j < szn - minSize; j++) {
Packet pktBDM = bdm.template loadPacket<Packet>(i, j);
Packet pktD = internal::ploadu<Packet>(d + GET(i, j));
compare<Scalar, Packet>(pktBDM, pktD);
}
}
// Testing gatherPacket
Scalar* buff = new Scalar[packetSize];
for (int i = 0; i < szm - minSize; i++) {
for (int j = 0; j < szn - minSize; j++) {
Packet p = bdm.template gatherPacket<Packet>(i, j);
internal::pstoreu<Scalar, Packet>(buff, p);
for (int k = 0; k < packetSize; k++) {
VERIFY_IS_EQUAL(d[SCATTER(i, j, k)], buff[k]);
}
}
}
delete[] buff;
// Testing scatterPacket
for (int i = 0; i < szm - minSize; i++) {
for (int j = 0; j < szn - minSize; j++) {
Packet p = internal::pset1<Packet>(static_cast<Scalar>(1));
bdm.template scatterPacket<Packet>(i, j, p);
for (int k = 0; k < packetSize; k++) {
VERIFY_IS_EQUAL(d[SCATTER(i, j, k)], static_cast<Scalar>(1));
}
}
}
// Testing storePacketBlock
internal::PacketBlock<Packet, BlockSize> block;
PacketBlockSet<Scalar, StorageOrder, BlockSize> pbs;
pbs.setPacketBlock(block, static_cast<Scalar>(2));
for (int i = 0; i < szm - minSize; i++) {
for (int j = 0; j < szn - minSize; j++) {
bdm.template storePacketBlock<Packet, BlockSize>(i, j, block);
pbs.comparePacketBlock(d, i, j, stride, block);
}
}
delete[] d;
}
template <typename Scalar>
void run_test() {
run_bdmp_spec_1<Scalar, RowMajor, 1>();
run_bdmp_spec_1<Scalar, ColMajor, 1>();
run_bdmp_spec_1<Scalar, RowMajor, 2>();
run_bdmp_spec_1<Scalar, ColMajor, 2>();
run_bdmp_spec_1<Scalar, RowMajor, 4>();
run_bdmp_spec_1<Scalar, ColMajor, 4>();
run_bdmp_spec_1<Scalar, RowMajor, 8>();
run_bdmp_spec_1<Scalar, ColMajor, 8>();
run_bdmp_spec_1<Scalar, RowMajor, 16>();
run_bdmp_spec_1<Scalar, ColMajor, 16>();
}
EIGEN_DECLARE_TEST(blasutil) {
for (int i = 0; i < g_repeat; i++) {
CALL_SUBTEST_1(run_test<numext::int8_t>());
CALL_SUBTEST_2(run_test<numext::int16_t>());
CALL_SUBTEST_3(run_test<numext::int32_t>());
// TODO: Replace this by a call to numext::int64_t as soon as we have a way to
// detect the typedef for int64_t on all platforms
CALL_SUBTEST_4(run_test<signed long long>());
CALL_SUBTEST_5(run_test<float_t>());
CALL_SUBTEST_6(run_test<double_t>());
CALL_SUBTEST_7(run_test<std::complex<float> >());
CALL_SUBTEST_8(run_test<std::complex<double> >());
}
}