Subversion Repositories openrisc

/* Copyright (C) 2003  Free Software Foundation.

   Verify that constant folding comparisons against built-in math functions

   don't cause any problems for the compiler, and produce expected results.

   Written by Roger Sayle, 15th March 2003.  */

/* { dg-do run } */

/* { dg-options "-O2 -ffast-math" } */

#include <float.h>

extern void abort (void);

extern double sqrt (double);

int test1(double x)

{

  return sqrt(x) < -9.0;

}

int test2(double x)

{

  return sqrt(x) > -9.0;

}

int test3(double x)

{

  return sqrt(x) < 9.0;

}

int test4(double x)

{

  return sqrt(x) > 9.0;

}

int test5(double x)

{

  return sqrt(x) < DBL_MAX;

}

int test6(double x)

{

  return sqrt(x) > DBL_MAX;

}

int main()

{

  double x;

  x = 80.0;

  if (test1 (x))

    abort ();

  if (! test2 (x))

    abort ();

  if (! test3 (x))

    abort ();

  if (test4 (x))

    abort ();

  if (! test5 (x))

    abort ();

  if (test6 (x))

    abort ();

  x = 100.0;

  if (test1 (x))

    abort ();

  if (! test2 (x))

    abort ();

  if (test3 (x))

    abort ();

  if (! test4 (x))

    abort ();

  if (! test5 (x))

    abort ();

  if (test6 (x))

    abort ();

  return 0;

}