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#include "GemmR.h"
#include "Matrix.h"
#include <iostream>
typedef std::complex<double> zcomplex;
template <typename T>
T make_val(double const x, double const y) { return (x); }
template <>
double make_val<double>(double const x, double const y)
{
return (x);
}
template <>
zcomplex make_val<zcomplex>(double const x, double const y)
{
zcomplex z(x, y);
return (z);
}
template <typename T>
int test_GEMMR(int const Mmax, int const Nmax, int const Kmax, int const nb, bool needsPrinting)
{
int const idebug = (needsPrinting) ? 1 : 0;
int nerrors = 0;
char const trans_table[3] = { 'N', 'T', 'C' };
T const alpha = make_val<T>(1.1, 2.1);
T const beta = make_val<T>(3.1, 4.1);
PsimagLite::GemmR<T> gemmR(
needsPrinting, nb, PsimagLite::Concurrency::codeSectionParams.npthreads);
for (int k = 1; k <= Kmax; k += nb) {
for (int n = 1; n <= Nmax; n += nb) {
for (int m = 1; m <= Mmax; m += nb) {
for (int itransB = 0; itransB < 3; itransB++) {
for (int itransA = 0; itransA < 3; itransA++) {
char const transA = trans_table[itransA];
char const transB = trans_table[itransB];
bool const is_transA = (transA == 'T') || (transA == 't');
bool const is_transB = (transB == 'T') || (transB == 't');
bool const is_conjA = (transA == 'C') || (transA == 'c');
bool const is_conjB = (transB == 'C') || (transB == 'c');
bool const is_notransA = (!is_transA) && (!is_conjA);
bool const is_notransB = (!is_transB) && (!is_conjB);
int const mC = m;
int const nC = n;
int const mA = (is_notransA) ? mC : k;
int const nA = (is_notransA) ? k : mC;
int const mB = (is_notransB) ? k : nC;
int const nB = (is_notransB) ? nC : k;
PsimagLite::Matrix<T> C(mC, nC);
PsimagLite::Matrix<T> C_gemmr(mC, nC);
PsimagLite::Matrix<T> A(mA, nA);
PsimagLite::Matrix<T> B(mB, nB);
int const ldA = mA;
int const ldB = mB;
int const ldC = mC;
for (int j = 0; j < nC; j++) {
for (int i = 0; i < mC; i++) {
T cij = make_val<T>(1.0 * (i + j) / (mC + nC),
1.0 * i * j / (mC * nC));
C(i, j) = cij;
C_gemmr(i, j) = cij;
}
}
for (int j = 0; j < nA; j++) {
for (int i = 0; i < mA; i++) {
T aij = make_val<T>(-1.0 * (i + j + 1), 1.0 * (j - i + 1));
A(i, j) = aij;
}
}
for (int j = 0; j < nB; j++) {
for (int i = 0; i < mB; i++) {
T bij = make_val<T>(1.0 * (i + j + 1) / (mB * nB),
-1.0 * (j - i + 1) / (mB * nB));
B(i, j) = bij;
}
}
gemmR(transA, transB, m, n, k, alpha, &(A(0, 0)), ldA, &(B(0, 0)), ldB, beta, &(C_gemmr(0, 0)), ldC);
psimag::BLAS::GEMM(transA, transB, m, n, k, alpha, &(A(0, 0)), ldA, &(B(0, 0)), ldB, beta, &(C(0, 0)), ldC);
double max_err = 0;
double c_norm = 0;
for (int j = 0; j < nC; j++) {
for (int i = 0; i < mC; i++) {
double const err = std::abs(C(i, j) - C_gemmr(i, j));
max_err = std::max(max_err, err);
c_norm += std::abs(C(i, j));
}
}
double const tol = 0.0000001;
bool const isok = (max_err < tol);
if (!isok) {
nerrors++;
}
if ((!isok) || (idebug >= 1)) {
std::cout << " transA " << transA << " transB " << transB << " m "
<< m << " n " << n << " k " << k << " max_err "
<< max_err << " c_norm " << c_norm << "\n";
}
}
}
}
}
}
return (nerrors);
}
int main(int argc, char** argv)
{
int const Nmax = 300;
int const Mmax = 301;
int const Kmax = 302;
int nerr_zcomplex = 0;
if (argc < 2)
throw PsimagLite::RuntimeError("USAGE: " + PsimagLite::String(argv[0]) + " nthreads [nb] [debug]\n");
int nthreads = atoi(argv[1]);
int const nb = (argc >= 3) ? atoi(argv[2]) : 99;
const bool needsPrinting = (argc == 4) ? atoi(argv[3]) > 0 : false;
PsimagLite::Concurrency concurrency(&argc, &argv, nthreads);
int nerr_double = test_GEMMR<double>(Mmax, Nmax, Kmax, nb, needsPrinting);
if (nerr_double == 0) {
nerr_zcomplex = test_GEMMR<zcomplex>(Mmax, Nmax, Kmax, nb, needsPrinting);
}
bool const all_passed = (nerr_double == 0) && (nerr_zcomplex == 0);
if (all_passed) {
std::cout << "ALL PASSED "
<< "\n";
} else {
std::cout << " nerr_double = " << nerr_double
<< " nerr_zcomplex = " << nerr_zcomplex << "\n";
}
}
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