[Bug c/38023] New: isinfl(-inf) returns 1

[grxnprzn at gmx dot net]

isinfl(-inf) should return -1. This worked with GCC 4.0.
With GCC 4.3, the return value is 1.

The follwing code can be used to reproduce the error:

#include <stdio.h>
#include <math.h>

int main()
{
   long double value1 = -1/0.0; //HUGE_VALL;
   int rc = isinfl(value1);
   printf("value1: %Lf isinfl(value1)=%d\n", value1, rc );
   return 0;
}


-- 
           Summary: isinfl(-inf) returns 1
           Product: gcc
           Version: 4.3.3
            Status: UNCONFIRMED
          Severity: major
          Priority: P3
         Component: c
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: grxnprzn at gmx dot net
 GCC build triplet: i586-suse-linux
  GCC host triplet: i586-suse-linux
GCC target triplet: i586-suse-linux


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38023