Intravision/reactos
1
0
Fork 0
mirror of https://github.com/reactos/reactos.git synced 2025-08-05 16:43:04 +00:00
Code Issues Projects Releases Packages Wiki Activity

Git conversion: Make reactos the root directory, move rosapps, rostests, wallpapers into modules, and delete rossubsys.

Browse source
This commit is contained in:
Colin Finck 2017-10-03 07:45:34 +00:00
parent b94e2d8ca0
commit c2c66aff7d
24198 changed files with 0 additions and 37285 deletions
Download patch file Download diff file Expand all files Collapse all files

54
sdk/lib/crt/float/isnan.c Normal file
View file

@ -0,0 +1,54 @@
/* Copyright (C) 1991, 1992, 1995 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include <precomp.h>
#if defined(_MSC_VER) && defined(_M_ARM)
#pragma function(_isnan)
#endif /* _MSC_VER */
/*
* @implemented
*/
int CDECL _isnan(double __x)
{
union
{
double* __x;
double_s* x;
} x;
x.__x = &__x;
return ( x.x->exponent == 0x7ff && ( x.x->mantissah != 0 || x.x->mantissal != 0 ));
}
/*
* @implemented
*/
int CDECL _finite(double __x)
{
union
{
double* __x;
double_s* x;
} x;
x.__x = &__x;
return ((x.x->exponent & 0x7ff) != 0x7ff);
}