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test_gemv.c
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#include "openblas_utest.h"
#include <cblas.h>
#ifndef NAN
#define NAN 0.0/0.0
#endif
#ifndef INFINITY
#define INFINITY 1.0/0.0
#endif
#ifdef BUILD_SINGLE
CTEST(sgemv, 0_nan_inf)
{
int i;
blasint N = 17;
blasint incX = 1;
blasint incY = 1;
float alpha = 0.0;
float beta = 0.0;
char trans = 'N';
float A[17 * 17];
float X[17];
float Y[17];
memset(A, 0, sizeof(A));
memset(X, 0, sizeof(X));
for (i = 0; i < (N - 1); i += 2)
{
Y[i] = NAN;
Y[i + 1] = INFINITY;
}
Y[N - 1] = NAN;
BLASFUNC(sgemv)(&trans, &N, &N, &alpha, A, &N, X, &incX, &beta, Y, &incY);
for (i = 0; i < N; i ++)
ASSERT_TRUE(Y[i] == 0.0);
}
CTEST(sgemv, 0_nan_inf_incy_2)
{
int i;
blasint N = 17;
blasint Ny = 33;
blasint incX = 1;
blasint incY = 2;
float alpha = 0.0;
float beta = 0.0;
char trans = 'N';
float A[17 * 17];
float X[17];
float Y[33];
float *ay = Y;
memset(A, 0, sizeof(A));
memset(X, 0, sizeof(X));
memset(Y, 0, sizeof(Y));
for (i = 0; i < (N - 1); i += 2)
{
ay[0] = NAN;
ay += 2;
ay[0] = INFINITY;
ay += 2;
}
Y[Ny - 1] = NAN;
BLASFUNC(sgemv)(&trans, &N, &N, &alpha, A, &N, X, &incX, &beta, Y, &incY);
for (i = 0; i < Ny; i ++)
ASSERT_TRUE(Y[i] == 0.0);
}
#endif
#ifdef BUILD_DOUBLE
CTEST(dgemv, 0_nan_inf)
{
int i;
blasint N = 17;
blasint incX = 1;
blasint incY = 1;
double alpha = 0.0;
double beta = 0.0;
char trans = 'N';
double A[17 * 17];
double X[17];
double Y[17];
memset(A, 0, sizeof(A));
memset(X, 0, sizeof(X));
for (i = 0; i < (N - 1); i += 2)
{
Y[i] = NAN;
Y[i + 1] = INFINITY;
}
Y[N - 1] = NAN;
BLASFUNC(dgemv)(&trans, &N, &N, &alpha, A, &N, X, &incX, &beta, Y, &incY);
for (i = 0; i < N; i ++)
ASSERT_TRUE(Y[i] == 0.0);
}
CTEST(dgemv, 0_nan_inf_incy_2)
{
int i;
blasint N = 17;
blasint Ny = 33;
blasint incX = 1;
blasint incY = 2;
double alpha = 0.0;
double beta = 0.0;
char trans = 'N';
double A[17 * 17];
double X[17];
double Y[33];
double *ay = Y;
memset(A, 0, sizeof(A));
memset(X, 0, sizeof(X));
memset(Y, 0, sizeof(Y));
for (i = 0; i < (N - 1); i += 2)
{
ay[0] = NAN;
ay += 2;
ay[0] = INFINITY;
ay += 2;
}
Y[Ny - 1] = NAN;
BLASFUNC(dgemv)(&trans, &N, &N, &alpha, A, &N, X, &incX, &beta, Y, &incY);
for (i = 0; i < Ny; i ++)
ASSERT_TRUE(Y[i] == 0.0);
}
#endif