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#include <stdio.h>
#include <complex.h>

#define CTEST_MAIN
#define CTEST_SEGFAULT
#define CTEST_ADD_TESTS_MANUALLY

#include "openblas_utest.h"

CTEST(amax, samax){
  blasint N=3, inc=1;
  float te_max=0.0, tr_max=0.0;
  float x[]={-1.1, 2.2, -3.3};
  te_max=BLASFUNC(samax)(&N, x, &inc);
  tr_max=3.3;
  
  ASSERT_DBL_NEAR_TOL((double)(tr_max), (double)(te_max), SINGLE_EPS);
}

CTEST(amax, damax){
  blasint N=3, inc=1;
  double te_max=0.0, tr_max=0.0;
  double x[]={-1.1, 2.2, -3.3};

  te_max=BLASFUNC(damax)(&N, x, &inc);
  tr_max=3.3;

  ASSERT_DBL_NEAR_TOL((double)(tr_max), (double)(te_max), DOUBLE_EPS);
}

CTEST (drotmg,rotmg)
{
	double te_d1, tr_d1;
	double te_d2, tr_d2;
	double te_x1, tr_x1;
	double te_y1, tr_y1;
	double te_param[5];
	double tr_param[5];
	int i=0;
	// original test case for libGoto bug fixed by feb2014 rewrite
	te_d1= 0.21149573940783739;
	te_d2= 0.046892057172954082;
	te_x1= -0.42272687517106533;
	te_y1= 0.42211309121921659;


	for(i=0; i<5; i++){
	  te_param[i]=tr_param[i]=0.0;
	}

	//reference values as calculated by netlib blas

        tr_d1= 0.1732048;
        tr_d2= 0.03840234;
        tr_x1= -0.516180;
        tr_y1= 0.422113;
        tr_d1= 0.17320483687975;
        tr_d2= 0.03840233915037;
        tr_x1= -0.51618034832329;
        tr_y1= 0.42211309121922;

	tr_param[0]= 0.0;
	tr_param[1]= 0.0;
	tr_param[2]= 0.99854803659786; 
	tr_param[3]= -0.22139439665872;
	tr_param[4]= 0.0;

	BLASFUNC(drotmg)(&te_d1, &te_d2, &te_x1, &te_y1, te_param);
	ASSERT_DBL_NEAR_TOL(tr_d1, te_d1, DOUBLE_EPS);
	ASSERT_DBL_NEAR_TOL(tr_d2, te_d2, DOUBLE_EPS);
	ASSERT_DBL_NEAR_TOL(tr_x1, te_x1, DOUBLE_EPS);
	ASSERT_DBL_NEAR_TOL(tr_y1, te_y1, DOUBLE_EPS);

	for(i=0; i<5; i++){
		ASSERT_DBL_NEAR_TOL(tr_param[i], te_param[i], DOUBLE_EPS);
	}
}

CTEST (drotmg,rotmg_issue1452)
{
	double te_d1, tr_d1;
	double te_d2, tr_d2;
	double te_x1, tr_x1;
	double te_y1, tr_y1;
	double te_param[5];
	double tr_param[5];
	int i=0;

	// from issue #1452
	te_d1 = 5.9e-8;
	te_d2 = 5.960464e-8;
	te_x1 = 1.0;
	te_y1 = 150.0;

	for(i=0; i<5; i++){
	  te_param[i]=tr_param[i]=0.0;
	}
	te_param[3]=1./4096.;
	//reference values as calculated by gonum blas with rotmg rewritten to Hopkins' algorithm
	tr_d1= 0.99995592822897;
	tr_d2= 0.98981219860583;
	tr_x1= 0.03662270484346;
	tr_y1= 150.000000000000;

	tr_param[0]= -1.0;
	tr_param[1]= 0.00000161109346;
	tr_param[2]= -0.00024414062500;
	tr_param[3]= 0.00024414062500;
	tr_param[4]= 0.00000162760417;

	//OpenBLAS
	BLASFUNC(drotmg)(&te_d1, &te_d2, &te_x1, &te_y1, te_param);

	ASSERT_DBL_NEAR_TOL(tr_d1, te_d1, DOUBLE_EPS);
	ASSERT_DBL_NEAR_TOL(tr_d2, te_d2, DOUBLE_EPS);
	ASSERT_DBL_NEAR_TOL(tr_x1, te_x1, DOUBLE_EPS);
	ASSERT_DBL_NEAR_TOL(tr_y1, te_y1, DOUBLE_EPS);

	for(i=0; i<5; i++){
		ASSERT_DBL_NEAR_TOL(tr_param[i], te_param[i], DOUBLE_EPS);
	}

}

CTEST(drotmg, rotmg_D1eqD2_X1eqX2)
{
	double te_d1, tr_d1;
	double te_d2, tr_d2;
	double te_x1, tr_x1;
	double te_y1, tr_y1;
	double te_param[5];
	double tr_param[5];
	int i=0;
	te_d1= tr_d1=2.;
	te_d2= tr_d2=2.;
	te_x1= tr_x1=8.;
	te_y1= tr_y1=8.;

	for(i=0; i<5; i++){
	  te_param[i]=tr_param[i]=0.0;
	}
	
	//reference values as calculated by netlib blas
        tr_d1= 1.0;
        tr_d2= 1.0;
        tr_x1= 16.0;
        tr_y1= 8.0;

	tr_param[0]=1.0;
	tr_param[1]=1.0;
	tr_param[2]=0.0;
	tr_param[3]=0.0;
	tr_param[4]=1.0;

	//OpenBLAS
	BLASFUNC(drotmg)(&te_d1, &te_d2, &te_x1, &te_y1, te_param);

	ASSERT_DBL_NEAR_TOL(tr_d1, te_d1, DOUBLE_EPS);
	ASSERT_DBL_NEAR_TOL(tr_d2, te_d2, DOUBLE_EPS);
	ASSERT_DBL_NEAR_TOL(tr_x1, te_x1, DOUBLE_EPS);
	ASSERT_DBL_NEAR_TOL(tr_y1, te_y1, DOUBLE_EPS);

	for(i=0; i<5; i++){
		ASSERT_DBL_NEAR_TOL(tr_param[i], te_param[i], DOUBLE_EPS);
	}
}

CTEST(drotmg, drotmg_D1_big_D2_big_flag_zero)
{
	double te_d1, tr_d1;
	double te_d2, tr_d2;
	double te_x1, tr_x1;
	double te_y1, tr_y1;
	double te_param[5]={1.,4096.,-4096.,1.,4096.};
	double tr_param[5]={-1.,4096.,-3584.,1792.,4096.};
	int i=0;
	te_d1= tr_d1=1600000000.;
	te_d2= tr_d2=800000000.;
	te_x1= tr_x1=8.;
	te_y1= tr_y1=7.;

	
	//reference values as calculated by gonum 
        tr_d1= 68.96627824858757;
        tr_d2= 34.483139124293785;
        tr_x1= 45312.;
        tr_y1= 7.0;


	//OpenBLAS
	BLASFUNC(drotmg)(&te_d1, &te_d2, &te_x1, &te_y1, te_param);

	ASSERT_DBL_NEAR_TOL(tr_d1, te_d1, DOUBLE_EPS);
	ASSERT_DBL_NEAR_TOL(tr_d2, te_d2, DOUBLE_EPS);
	ASSERT_DBL_NEAR_TOL(tr_x1, te_x1, DOUBLE_EPS);
	ASSERT_DBL_NEAR_TOL(tr_y1, te_y1, DOUBLE_EPS);

	for(i=0; i<5; i++){
		ASSERT_DBL_NEAR_TOL(tr_param[i], te_param[i], DOUBLE_EPS);
	}
}

CTEST(axpy,daxpy_inc_0)
{
	blasint i;
	blasint N=8,incX=0,incY=0;
	double a=0.25;
	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[]={1.0,3.0,5.0,7.0,1.0,3.0,5.0,7.0};
	double y2[]={4.0,4.0,6.0,8.0,2.0,4.0,6.0,8.0};

	//OpenBLAS
	BLASFUNC(daxpy)(&N,&a,x1,&incX,y1,&incY);

	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(axpy,zaxpy_inc_0)
{
	blasint i;
	blasint N=4,incX=0,incY=0;
	double a[2]={0.25,0.5};
	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[]={1.0,3.0,5.0,7.0,1.0,3.0,5.0,7.0};
	double y2[]={-3.0,9.0,6.0,8.0,2.0,4.0,6.0,8.0};

	//OpenBLAS
	BLASFUNC(zaxpy)(&N,a,x1,&incX,y1,&incY);

	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);
	}
}

CTEST(axpy,saxpy_inc_0)
{
	blasint i;
	blasint N=8,incX=0,incY=0;
	float a=0.25;
	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[]={1.0,3.0,5.0,7.0,1.0,3.0,5.0,7.0};
	float y2[]={4.0,4.0,6.0,8.0,2.0,4.0,6.0,8.0};

	//OpenBLAS
	BLASFUNC(saxpy)(&N,&a,x1,&incX,y1,&incY);

	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(axpy,caxpy_inc_0)
{
	blasint i;
	blasint N=4,incX=0,incY=0;
	float a[2]={0.25,0.5};
	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[]={1.0,3.0,5.0,7.0,1.0,3.0,5.0,7.0};
	float y2[]={-3.0,9.0,6.0,8.0,2.0,4.0,6.0,8.0};

	//OpenBLAS
	BLASFUNC(caxpy)(&N,a,x1,&incX,y1,&incY);

	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);
	}
}

CTEST( zdotu,zdotu_n_1)
{
	blasint N=1,incX=1,incY=1;
	double x1[]={1.0,1.0};
	double y1[]={1.0,2.0};
        openblas_complex_double result1=openblas_make_complex_double(0.0,0.0);
        openblas_complex_double result2=openblas_make_complex_double(-1.0,3.0);
#ifdef RETURN_BY_STACK
	BLASFUNC(zdotu)(&result1,&N,x1,&incX,y1,&incY);
#else
	result1=BLASFUNC(zdotu)(&N,x1,&incX,y1,&incY);
#endif
	
#ifdef OPENBLAS_COMPLEX_STRUCT
	ASSERT_DBL_NEAR_TOL(result2.real, result1.real, DOUBLE_EPS);
	ASSERT_DBL_NEAR_TOL(result2.imag, result1.imag, DOUBLE_EPS);
#else
	ASSERT_DBL_NEAR_TOL(creal(result2), creal(result1), DOUBLE_EPS);
	ASSERT_DBL_NEAR_TOL(cimag(result2), cimag(result1), DOUBLE_EPS);
#endif
}

CTEST(zdotu, zdotu_offset_1)
{
	blasint N=1,incX=1,incY=1;
	double x1[]={1.0,2.0,3.0,4.0};
	double y1[]={5.0,6.0,7.0,8.0};
        openblas_complex_double result1=openblas_make_complex_double(0.0,0.0);
        openblas_complex_double result2=openblas_make_complex_double(-9.0,32.0);
#ifdef RETURN_BY_STACK
	BLASFUNC(zdotu)(&result1,&N,x1+1,&incX,y1+1,&incY);
#else
	result1=BLASFUNC(zdotu)(&N,x1+1,&incX,y1+1,&incY);
#endif
	
#ifdef OPENBLAS_COMPLEX_STRUCT
	ASSERT_DBL_NEAR_TOL(result2.real, result1.real, DOUBLE_EPS);
	ASSERT_DBL_NEAR_TOL(result2.imag, result1.imag, DOUBLE_EPS);
#else
	ASSERT_DBL_NEAR_TOL(creal(result2), creal(result1), DOUBLE_EPS);
	ASSERT_DBL_NEAR_TOL(cimag(result2), cimag(result1), DOUBLE_EPS);
#endif
}

CTEST(dsdot,dsdot_n_1)
{
	float x= 0.172555164F;
	float y= -0.0138700781F;
	blasint incx=1;
	blasint incy=1;
	blasint n=1;

	double res1=0.0f, res2=-0.00239335360107;

	res1=BLASFUNC(dsdot)(&n, &x, &incx, &y, &incy);
	ASSERT_DBL_NEAR_TOL(res2, res1, DOUBLE_EPS);

}

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,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);
	}
}

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, 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);
	}
}

CTEST(swap,dswap_inc_0)
{
	blasint i=0;
	blasint N=4,incX=0,incY=0;
	double x1[]={1.0,3.0,5.0,7.0};
	double y1[]={2.0,4.0,6.0,8.0};
	double x2[]={1.0,3.0,5.0,7.0};
	double y2[]={2.0,4.0,6.0,8.0};
	
	//OpenBLAS
	BLASFUNC(dswap)(&N,x1,&incX,y1,&incY);

	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(swap,zswap_inc_0)
{
	blasint i=0;
	blasint N=4,incX=0,incY=0;
	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[]={1.0,3.0,5.0,7.0,1.0,3.0,5.0,7.0};
	double y2[]={2.0,4.0,6.0,8.0,2.0,4.0,6.0,8.0};

	//OpenBLAS
	BLASFUNC(zswap)(&N,x1,&incX,y1,&incY);

	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);
	}
}

CTEST(swap,sswap_inc_0)
{
	blasint i=0;
	blasint N=4,incX=0,incY=0;
	float x1[]={1.0,3.0,5.0,7.0};
	float y1[]={2.0,4.0,6.0,8.0};
	float x2[]={1.0,3.0,5.0,7.0};
	float y2[]={2.0,4.0,6.0,8.0};

	//OpenBLAS
	BLASFUNC(sswap)(&N,x1,&incX,y1,&incY);

	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(swap,cswap_inc_0)
{
	blasint i=0;
	blasint N=4,incX=0,incY=0;
	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[]={1.0,3.0,5.0,7.0,1.0,3.0,5.0,7.0};
	float y2[]={2.0,4.0,6.0,8.0,2.0,4.0,6.0,8.0};

	//OpenBLAS
	BLASFUNC(cswap)(&N,x1,&incX,y1,&incY);

	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);
	}
}

CTEST(min, smin_negative){
  blasint N=3, inc=1;
  float te_min=0.0, tr_min=0.0;
  float x[]={-1.1, -2.2, -3.3};

  te_min=BLASFUNC(smin)(&N, x, &inc);
  tr_min=-3.3;

  ASSERT_DBL_NEAR_TOL((double)(tr_min), (double)(te_min), SINGLE_EPS);
}

CTEST(min, dmin_positive){
  blasint N=3, inc=1;
  double te_min=0.0, tr_min=0.0;
  double x[]={1.1, 0.0, 3.3};

  te_min=BLASFUNC(dmin)(&N, x, &inc);
  tr_min=0.0;

  ASSERT_DBL_NEAR_TOL((double)(tr_min), (double)(te_min), DOUBLE_EPS);
}

CTEST(min, smin_zero){
  blasint N=3, inc=1;
  float te_min=0.0, tr_min=0.0;
  float x[]={1.1, 2.2, 0.0};

  te_min=BLASFUNC(smin)(&N, x, &inc);
  tr_min=0.0;

  ASSERT_DBL_NEAR_TOL((double)(tr_min), (double)(te_min), SINGLE_EPS);
}

CTEST(max, smax_negative){
  blasint N=3, inc=1;
  float te_max=0.0, tr_max=0.0;
  float x[]={-1.1, -2.2, -3.3};

  te_max=BLASFUNC(smax)(&N, x, &inc);
  tr_max=-1.1;

  ASSERT_DBL_NEAR_TOL((double)(tr_max), (double)(te_max), SINGLE_EPS);
}

CTEST(max, dmax_positive){
  blasint N=3, inc=1;
  double te_max=0.0, tr_max=0.0;
  double x[]={1.1, 0.0, 3.3};

  te_max=BLASFUNC(dmax)(&N, x, &inc);
  tr_max=3.3;

  ASSERT_DBL_NEAR_TOL((double)(tr_max), (double)(te_max), DOUBLE_EPS);
}

CTEST(max, smax_zero){
  blasint N=3, inc=1;
  float te_max=0.0, tr_max=0.0;
  float x[]={-1.1, -2.2, 0.0};

  te_max=BLASFUNC(smax)(&N, x, &inc);
  tr_max=0.0;

  ASSERT_DBL_NEAR_TOL((double)(tr_max), (double)(te_max), SINGLE_EPS);
}

int main(int argc, const char ** argv){

  CTEST_ADD (amax, samax);
  CTEST_ADD (amax, damax);
  CTEST_ADD (min, smin_negative); 
  CTEST_ADD (min, dmin_positive); 
  CTEST_ADD (min, smin_zero); 
  CTEST_ADD (max, smax_negative); 
  CTEST_ADD (max, dmax_positive); 
  CTEST_ADD (max, smax_zero); 
  CTEST_ADD (drotmg,rotmg);
  CTEST_ADD (drotmg,rotmg_issue1452);
  CTEST_ADD (drotmg,rotmg_D1eqD2_X1eqX2);
  CTEST_ADD (drotmg,drotmg_D1_big_D2_big_flag_zero);
  CTEST_ADD (axpy,daxpy_inc_0);
  CTEST_ADD (axpy,zaxpy_inc_0);
  CTEST_ADD (axpy,saxpy_inc_0);
  CTEST_ADD (axpy,caxpy_inc_0);
  CTEST_ADD (zdotu,zdotu_n_1);
  CTEST_ADD (zdotu,zdotu_offset_1);
  CTEST_ADD (dsdot,dsdot_n_1);
  CTEST_ADD (rot,drot_inc_0);
  CTEST_ADD (rot,zdrot_inc_0);
  CTEST_ADD (rot,srot_inc_0);
  CTEST_ADD (rot,csrot_inc_0);
  CTEST_ADD (swap,dswap_inc_0);
  CTEST_ADD (swap,zswap_inc_0);
  CTEST_ADD (swap,sswap_inc_0);
  CTEST_ADD (swap,cswap_inc_0);

  int num_fail=0;

  num_fail=ctest_main(argc, argv);

  return num_fail;
}
