float-range-2.c

来自「Mac OS X 10.4.9 for x86 Source Code gcc」· C语言 代码 · 共 15 行

/* Floating constants outside the range of their type should receive a
   pedwarn, not a warning.  This includes INFINITY if the target does
   not support infinities.  */
/* Origin: Joseph Myers <[e-mail]> */
/* { dg-do compile { target vax-*-* pdp11-*-* } } */
/* { dg-options "-ansi -pedantic-errors" } */

void
f (void)
{
  float a = __builtin_inff (); /* { dg-error "error: target format does not support infinity" } */
  double b = __builtin_inf (); /* { dg-error "error: target format does not support infinity" } */
  long double c = __builtin_infl (); /* { dg-error "error: target format does not support infinity" } */
}