diff options
Diffstat (limited to 'gl/math.in.h')
| -rw-r--r-- | gl/math.in.h | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/gl/math.in.h b/gl/math.in.h index 6e1b9a2b..a0efefda 100644 --- a/gl/math.in.h +++ b/gl/math.in.h @@ -1,6 +1,6 @@ /* A GNU-like <math.h>. - Copyright (C) 2002-2003, 2007-2008 Free Software Foundation, Inc. + Copyright (C) 2002-2003, 2007-2009 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -518,7 +518,8 @@ extern int gl_signbitf (float arg); extern int gl_signbitd (double arg); extern int gl_signbitl (long double arg); # if __GNUC__ >= 2 && !__STRICT_ANSI__ -# if defined FLT_SIGNBIT_WORD && defined FLT_SIGNBIT_BIT +# if defined FLT_SIGNBIT_WORD && defined FLT_SIGNBIT_BIT && !defined gl_signbitf +# define gl_signbitf_OPTIMIZED_MACRO # define gl_signbitf(arg) \ ({ union { float _value; \ unsigned int _word[(sizeof (float) + sizeof (unsigned int) - 1) / sizeof (unsigned int)]; \ @@ -527,7 +528,8 @@ extern int gl_signbitl (long double arg); (_m._word[FLT_SIGNBIT_WORD] >> FLT_SIGNBIT_BIT) & 1; \ }) # endif -# if defined DBL_SIGNBIT_WORD && defined DBL_SIGNBIT_BIT +# if defined DBL_SIGNBIT_WORD && defined DBL_SIGNBIT_BIT && !defined gl_signbitd +# define gl_signbitd_OPTIMIZED_MACRO # define gl_signbitd(arg) \ ({ union { double _value; \ unsigned int _word[(sizeof (double) + sizeof (unsigned int) - 1) / sizeof (unsigned int)]; \ @@ -536,7 +538,8 @@ extern int gl_signbitl (long double arg); (_m._word[DBL_SIGNBIT_WORD] >> DBL_SIGNBIT_BIT) & 1; \ }) # endif -# if defined LDBL_SIGNBIT_WORD && defined LDBL_SIGNBIT_BIT +# if defined LDBL_SIGNBIT_WORD && defined LDBL_SIGNBIT_BIT && !defined gl_signbitl +# define gl_signbitl_OPTIMIZED_MACRO # define gl_signbitl(arg) \ ({ union { long double _value; \ unsigned int _word[(sizeof (long double) + sizeof (unsigned int) - 1) / sizeof (unsigned int)]; \ |