OpenBLAS/utest/test_min.c

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#include "openblas_utest.h"

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);
}