OpenBLAS/test/test_helpers.h

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#ifndef TEST_HELPERS_H
#define TEST_HELPERS_H
#include <stdbool.h>

#include "../common.h"

#ifdef IBFLOAT16
static float float16to32(bfloat16 value)
{
  blasint one = 1;
  float result;
  sbf16tos_(&one, &value, &one, &result, &one);
  return result;
}
#endif

#ifdef OBFLOAT16
static float truncate_float32_to_bfloat16(float value) {
  blasint one = 1;
  bfloat16 tmp;
  float result;
  sbstobf16_(&one, &value, &one, &tmp, &one);
  sbf16tos_(&one, &tmp, &one, &result, &one);
  return result;
}
#endif

static void *malloc_safe(size_t size) {
  if (size == 0)
    return malloc(1);
  else
    return malloc(size);
}

static bool is_close(float a, float b, float rtol, float atol) {
  return fabs(a - b) <= (atol + rtol*fabs(b));
}

#endif