Tested under SUA and Windows
#include <stdio.h>
int main ()
{
double zero=0.0;
printf("1.0/0.0=%f\n",1.0/zero);
printf("1.0/-0.0=%f\n",1.0/-zero);
return 0;
}
Windows example (pgcc):
$ pgcc -V && pgcc -o fptest fptest.c && ./fptest
pgcc 7.2-3 64-bit target on Win64
Copyright 1989-2000, The Portland Group, Inc. All Rights Reserved.
Copyright 2000-2008, STMicroelectronics, Inc. All Rights Reserved.
1.0/0.0=1.#INF00
1.0/-0.0=1.#INF00
SUA example (pgcc):
$ pgcc -V && pgcc -o fptest fptest.c && ./fptest
pgcc 7.2-1 64-bit target on 64-bit SUA
Copyright 1989-2000, The Portland Group, Inc. All Rights Reserved.
Copyright 2000-2008, STMicroelectronics, Inc. All Rights Reserved.
1.0/0.0=Inf
1.0/-0.0=Inf
Result with gcc:
$ gcc --version && gcc -o fptest fptest.c && ./fptest
gcc (GCC) 3.4.4 (cygming special, gdc 0.12, using dmd 0.125)
Copyright (C) 2004 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
1.0/0.0=inf
1.0/-0.0=-inf
Result with MS VC++ under SUA
$ cc -o fptest fptest.c && ./fptest
1.0/0.0=Inf
1.0/-0.0=-Inf
2developers: May I hope that you fix that error in your compiler as soon as possible? For example, libxml2 & libxslt got errors due “make check” because of this “particular” compiler.
Thanks,
Dmitry.