Subversion Repositories openrisc_2011-10-31

/* PR 23572 : warnings for out of range floating-point constants

   Test that they are NOT pedantic warnings.  */

/* { dg-compile } */

/* { dg-options "-pedantic-errors -std=c99" } */

/* { dg-skip-if "No Inf support" { spu-*-* } } */

#include <math.h>

#ifndef INFINITY

#define INFINITY (__builtin_inff ())

#endif

void overflow(void)

{

  float f1 = 3.5E+38f;  /* { dg-warning "floating constant exceeds range" } */

  float f2 = -3.5E+38f; /* { dg-warning "floating constant exceeds range" } */

  float f3 = INFINITY;

  float f4 = -INFINITY;

  double d1 = 1.9E+308;  /* { dg-warning "floating constant exceeds range" } */

  double d2 = -1.9E+308; /* { dg-warning "floating constant exceeds range" } */

  double d3 = INFINITY;

  double d4 = -INFINITY;

}

void underflow(void)

{

  float f11 = 3.3E-10000000000000000000f;  /* { dg-warning "floating constant truncated to zero" } */

  float f22 = -3.3E-10000000000000000000f; /* { dg-warning "floating constant truncated to zero" } */

  float f1 = 3.3E-46f;  /* { dg-warning "floating constant truncated to zero" } */

  float f2 = -3.3E-46f; /* { dg-warning "floating constant truncated to zero" } */

  float f3 = 0;

  float f4 = -0;

  float f5 = 0.0;

  float f6 = -0.0;

  double d11 = 3.3E-10000000000000000000;  /* { dg-warning "floating constant truncated to zero" } */

  double d22 = -3.3E-10000000000000000000; /* { dg-warning "floating constant truncated to zero" } */

  double d1 = 1.4E-325;  /* { dg-warning "floating constant truncated to zero" } */

  double d2 = -1.4E-325; /* { dg-warning "floating constant truncated to zero" } */

  double d3 = 0;

  double d4 = -0;

  double d5 = 0.0;

  double d6 = -0.0;

}