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| author | Ludovic Courtès <ludo@gnu.org> | 2010-12-07 21:43:04 +0100 |
|---|---|---|
| committer | Ludovic Courtès <ludo@gnu.org> | 2010-12-07 23:13:19 +0100 |
| commit | 0f00f2c33a85842a9611ed63f07e915ea9fd60de (patch) | |
| tree | a02ec2b230021798eb854693c6c9270c6a1f87e6 /lib/math.in.h | |
| parent | cb26e97a88e90d04e6d4efe3de0de92dea53d1e5 (diff) | |
| download | guile-0f00f2c33a85842a9611ed63f07e915ea9fd60de.tar.gz | |
Use Gnulib's `nproc'.
This updates Gnulib to v0.0-4496-g6491120.
* m4/gnulib-cache.m4: Add `nproc'.
Diffstat (limited to 'lib/math.in.h')
| -rw-r--r-- | lib/math.in.h | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/lib/math.in.h b/lib/math.in.h index c0b2f341c..f1bda2ed9 100644 --- a/lib/math.in.h +++ b/lib/math.in.h @@ -20,6 +20,7 @@ #if __GNUC__ >= 3 @PRAGMA_SYSTEM_HEADER@ #endif +@PRAGMA_COLUMNS@ /* The include_next requires a split double-inclusion guard. */ #@INCLUDE_NEXT_AS_FIRST_DIRECTIVE@ @NEXT_AS_FIRST_DIRECTIVE_MATH_H@ @@ -609,7 +610,8 @@ _GL_EXTERN_C int isnanf (float x); This function is a gnulib extension, unlike isnan() which applied only to 'double' numbers earlier but now is a type-generic macro. */ # if @HAVE_ISNAND@ -/* The original <math.h> included above provides a declaration of isnan macro. */ +/* The original <math.h> included above provides a declaration of isnan + macro. */ # if __GNUC__ >= 4 /* GCC 4.0 and newer provides three built-ins for isnan. */ # undef isnand @@ -629,7 +631,8 @@ _GL_EXTERN_C int isnand (double x); #if @GNULIB_ISNANL@ /* Test for NaN for 'long double' numbers. */ # if @HAVE_ISNANL@ -/* The original <math.h> included above provides a declaration of isnan macro or (older) isnanl function. */ +/* The original <math.h> included above provides a declaration of isnan + macro or (older) isnanl function. */ # if __GNUC__ >= 4 /* GCC 4.0 and newer provides three built-ins for isnan. */ # undef isnanl @@ -701,11 +704,13 @@ _GL_EXTERN_C int gl_signbitf (float arg); _GL_EXTERN_C int gl_signbitd (double arg); _GL_EXTERN_C int gl_signbitl (long double arg); # if __GNUC__ >= 2 && !__STRICT_ANSI__ +# define _GL_NUM_UINT_WORDS(type) \ + ((sizeof (type) + sizeof (unsigned int) - 1) / sizeof (unsigned int)) # 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)]; \ + unsigned int _word[_GL_NUM_UINT_WORDS (float)]; \ } _m; \ _m._value = (arg); \ (_m._word[FLT_SIGNBIT_WORD] >> FLT_SIGNBIT_BIT) & 1; \ @@ -714,8 +719,8 @@ _GL_EXTERN_C int gl_signbitl (long double arg); # 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)]; \ + ({ union { double _value; \ + unsigned int _word[_GL_NUM_UINT_WORDS (double)]; \ } _m; \ _m._value = (arg); \ (_m._word[DBL_SIGNBIT_WORD] >> DBL_SIGNBIT_BIT) & 1; \ @@ -725,10 +730,10 @@ _GL_EXTERN_C int gl_signbitl (long double arg); # 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)]; \ + unsigned int _word[_GL_NUM_UINT_WORDS (long double)]; \ } _m; \ _m._value = (arg); \ - (_m._word[LDBL_SIGNBIT_WORD] >> LDBL_SIGNBIT_BIT) & 1; \ + (_m._word[LDBL_SIGNBIT_WORD] >> LDBL_SIGNBIT_BIT) & 1; \ }) # endif # endif |