OpenBLAS/utest/test_rot.c

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#include "openblas_utest.h"

#ifdef BUILD_DOUBLE
CTEST(rot,drot_inc_0)
{
	blasint i=0;
	blasint N=4,incX=0,incY=0;
	double c=0.25,s=0.5;
	double x1[]={1.0,3.0,5.0,7.0};
	double y1[]={2.0,4.0,6.0,8.0};
	double x2[]={-0.21484375000000,3.0,5.0,7.0};
	double y2[]={ 0.03906250000000,4.0,6.0,8.0};


	//OpenBLAS
	BLASFUNC(drot)(&N,x1,&incX,y1,&incY,&c,&s);

	for(i=0; i<N; i++){
		ASSERT_DBL_NEAR_TOL(x2[i], x1[i], DOUBLE_EPS);
		ASSERT_DBL_NEAR_TOL(y2[i], y1[i], DOUBLE_EPS);
	}
}
CTEST(rot,drot_inc_1)
{
	blasint i=0;
	blasint N=4,incX=1,incY=1;
	double c=1.0,s=1.0;
	double x1[]={1.0,3.0,5.0,7.0};
	double y1[]={2.0,4.0,6.0,8.0};
	double x2[]={3.0,7.0,11.0,15.0};
	double y2[]={1.0,1.0,1.0,1.0};

	BLASFUNC(drot)(&N,x1,&incX,y1,&incY,&c,&s);

	for(i=0; i<N; i++){
		ASSERT_DBL_NEAR_TOL(x2[i], x1[i], DOUBLE_EPS);
		ASSERT_DBL_NEAR_TOL(y2[i], y1[i], DOUBLE_EPS);
	}
}
CTEST(rot,drotm_inc_1)
{
	blasint i = 0;
	blasint N = 12, incX = 1, incY = 1;
	double param[5] = {1.0, 2.0, 3.0, 4.0, 5.0};
	double x_actual[] = {1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0, 11.0, 12.0};
	double y_actual[] = {1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0, 11.0, 12.0};
	double x_referece[] = {3.0, 6.0, 9.0, 12.0, 15.0, 18.0, 21.0, 24.0, 27.0, 30.0, 33.0, 36.0};
	double y_referece[] = {4.0, 8.0, 12.0, 16.0, 20.0, 24.0, 28.0, 32.0, 36.0, 40.0, 44.0, 48.0};

	//OpenBLAS
	BLASFUNC(drotm)(&N, x_actual, &incX, y_actual, &incY, param);

	for(i = 0; i < N; i++){
		ASSERT_DBL_NEAR_TOL(x_referece[i], x_actual[i], DOUBLE_EPS);
		ASSERT_DBL_NEAR_TOL(y_referece[i], y_actual[i], DOUBLE_EPS);
	}
}
#endif

#ifdef BUILD_COMPLEX16
CTEST(rot,zdrot_inc_0)
{
	blasint i=0;
	blasint N=4,incX=0,incY=0;
	double c=0.25,s=0.5;
	double x1[]={1.0,3.0,5.0,7.0,1.0,3.0,5.0,7.0};
	double y1[]={2.0,4.0,6.0,8.0,2.0,4.0,6.0,8.0};
	double x2[]={-0.21484375000000,-0.45703125000000 ,5.0,7.0,1.0,3.0,5.0,7.0};
	double y2[]={ 0.03906250000000, 0.17187500000000 ,6.0,8.0,2.0,4.0,6.0,8.0};
	

	//OpenBLAS
	BLASFUNC(zdrot)(&N,x1,&incX,y1,&incY,&c,&s);

	for(i=0; i<2*N; i++){
		ASSERT_DBL_NEAR_TOL(x2[i], x1[i], DOUBLE_EPS);
		ASSERT_DBL_NEAR_TOL(y2[i], y1[i], DOUBLE_EPS);
	}
}
#endif

#ifdef BUILD_SINGLE
CTEST(rot,srot_inc_0)
{
	blasint i=0;
	blasint N=4,incX=0,incY=0;
	float c=0.25,s=0.5;
	float x1[]={1.0,3.0,5.0,7.0};
	float y1[]={2.0,4.0,6.0,8.0};
	float x2[]={-0.21484375000000,3.0,5.0,7.0};
	float y2[]={ 0.03906250000000,4.0,6.0,8.0};

	//OpenBLAS
	BLASFUNC(srot)(&N,x1,&incX,y1,&incY,&c,&s);

	for(i=0; i<N; i++){
		ASSERT_DBL_NEAR_TOL(x2[i], x1[i], SINGLE_EPS);
		ASSERT_DBL_NEAR_TOL(y2[i], y1[i], SINGLE_EPS);
	}
}
CTEST(rot,srot_inc_1)
{
	blasint i=0;
	blasint N=4,incX=1,incY=1;
	float c=1.0,s=1.0;
	float x1[]={1.0,3.0,5.0,7.0};
	float y1[]={2.0,4.0,6.0,8.0};
	float x2[]={3.0,7.0,11.0,15.0};
	float y2[]={1.0,1.0,1.0,1.0};

	BLASFUNC(srot)(&N,x1,&incX,y1,&incY,&c,&s);

	for(i=0; i<N; i++){
		ASSERT_DBL_NEAR_TOL(x2[i], x1[i], SINGLE_EPS);
		ASSERT_DBL_NEAR_TOL(y2[i], y1[i], SINGLE_EPS);
	}
}
CTEST(rot,srotm_inc_1)
{
	blasint i = 0;
	blasint N = 12, incX = 1, incY = 1;
	float param[5] = {1.0, 2.0, 3.0, 4.0, 5.0};
	float x_actual[] = {1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0, 11.0, 12.0};
	float y_actual[] = {1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0, 11.0, 12.0};
	float x_referece[] = {3.0, 6.0, 9.0, 12.0, 15.0, 18.0, 21.0, 24.0, 27.0, 30.0, 33.0, 36.0};
	float y_referece[] = {4.0, 8.0, 12.0, 16.0, 20.0, 24.0, 28.0, 32.0, 36.0, 40.0, 44.0, 48.0};

	//OpenBLAS
	BLASFUNC(srotm)(&N, x_actual, &incX, y_actual, &incY, param);

	for(i = 0; i < N; i++){
		ASSERT_DBL_NEAR_TOL(x_referece[i], x_actual[i], SINGLE_EPS);
		ASSERT_DBL_NEAR_TOL(y_referece[i], y_actual[i], SINGLE_EPS);
	}
}
#endif

#ifdef BUILD_COMPLEX
CTEST(rot, csrot_inc_0)
{
	blasint i=0;
	blasint N=4,incX=0,incY=0;
	float c=0.25,s=0.5;
	float x1[]={1.0,3.0,5.0,7.0,1.0,3.0,5.0,7.0};
	float y1[]={2.0,4.0,6.0,8.0,2.0,4.0,6.0,8.0};
	float x2[]={-0.21484375000000,-0.45703125000000 ,5.0,7.0,1.0,3.0,5.0,7.0};
	float y2[]={ 0.03906250000000, 0.17187500000000 ,6.0,8.0,2.0,4.0,6.0,8.0};
	
	//OpenBLAS
	BLASFUNC(csrot)(&N,x1,&incX,y1,&incY,&c,&s);

	for(i=0; i<2*N; i++){
		ASSERT_DBL_NEAR_TOL(x2[i], x1[i], SINGLE_EPS);
		ASSERT_DBL_NEAR_TOL(y2[i], y1[i], SINGLE_EPS);
	}
}
#endif