OpenCores
URL https://opencores.org/ocsvn/openrisc_2011-10-31/openrisc_2011-10-31/trunk

Subversion Repositories openrisc_2011-10-31

[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.2.2/] [gcc/] [testsuite/] [gcc.dg/] [sh4a-fprun.c] - Rev 154

Compare with Previous | Blame | View Log

/* Verify that fsca and fssra yield reasonable results.  */
/* { dg-do run { target "sh*-*-*" } } */
/* { dg-options "-O -ffast-math" } */
 
#include <math.h>
#include <stdlib.h>
 
float sqrt_arg = 4.0f, sqrt_res = 2.0f;
float dg2rad_f;
double dg2rad_d;
 
void check_f (float res, float expected) {
  if (res >= expected - 0.001f && res <= expected + 0.001f)
    return;
 
  abort ();
}
 
void check_d (double res, double expected) {
  if (res >= expected - 0.001 && res <= expected + 0.001)
    return;
 
  abort ();
}
 
int main() {
  check_f (sqrtf(sqrt_arg), sqrt_res);
  dg2rad_f = dg2rad_d = atan(1) / 45;
  check_f (sinf(90*dg2rad_f), 1);
  check_f (cosf(90*dg2rad_f), 0);
  check_d (sin(-90*dg2rad_d), -1);
  check_d (cos(180*dg2rad_d), -1);
  check_d (sin(-45*dg2rad_d) * cosf(135*dg2rad_f), 0.5);
  exit (0);
}
 

Compare with Previous | Blame | View Log

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.