80 lines
3.1 KiB
Diff
80 lines
3.1 KiB
Diff
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--- lib/math.in.h.orig 2019-01-02 16:55:35.064459973 +0100
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+++ lib/math.in.h 2019-01-02 17:42:43.450242836 +0100
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@@ -2342,75 +2342,6 @@
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#endif
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-#if @GNULIB_SIGNBIT@
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-# if (@REPLACE_SIGNBIT_USING_GCC@ \
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- && (!defined __cplusplus || __cplusplus < 201103))
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-# undef signbit
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- /* GCC 4.0 and newer provides three built-ins for signbit. */
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-# define signbit(x) \
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- (sizeof (x) == sizeof (long double) ? __builtin_signbitl (x) : \
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- sizeof (x) == sizeof (double) ? __builtin_signbit (x) : \
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- __builtin_signbitf (x))
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-# endif
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-# if @REPLACE_SIGNBIT@
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-# undef signbit
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-_GL_EXTERN_C int gl_signbitf (float arg);
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-_GL_EXTERN_C int gl_signbitd (double arg);
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-_GL_EXTERN_C int gl_signbitl (long double arg);
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-# if __GNUC__ >= 2 && !defined __STRICT_ANSI__
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-# define _GL_NUM_UINT_WORDS(type) \
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- ((sizeof (type) + sizeof (unsigned int) - 1) / sizeof (unsigned int))
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-# if defined FLT_SIGNBIT_WORD && defined FLT_SIGNBIT_BIT && !defined gl_signbitf
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-# define gl_signbitf_OPTIMIZED_MACRO
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-# define gl_signbitf(arg) \
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- ({ union { float _value; \
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- unsigned int _word[_GL_NUM_UINT_WORDS (float)]; \
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- } _m; \
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- _m._value = (arg); \
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- (_m._word[FLT_SIGNBIT_WORD] >> FLT_SIGNBIT_BIT) & 1; \
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- })
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-# endif
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-# if defined DBL_SIGNBIT_WORD && defined DBL_SIGNBIT_BIT && !defined gl_signbitd
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-# define gl_signbitd_OPTIMIZED_MACRO
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-# define gl_signbitd(arg) \
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- ({ union { double _value; \
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- unsigned int _word[_GL_NUM_UINT_WORDS (double)]; \
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- } _m; \
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- _m._value = (arg); \
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- (_m._word[DBL_SIGNBIT_WORD] >> DBL_SIGNBIT_BIT) & 1; \
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- })
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-# endif
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-# if defined LDBL_SIGNBIT_WORD && defined LDBL_SIGNBIT_BIT && !defined gl_signbitl
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-# define gl_signbitl_OPTIMIZED_MACRO
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-# define gl_signbitl(arg) \
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- ({ union { long double _value; \
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- unsigned int _word[_GL_NUM_UINT_WORDS (long double)]; \
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- } _m; \
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- _m._value = (arg); \
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- (_m._word[LDBL_SIGNBIT_WORD] >> LDBL_SIGNBIT_BIT) & 1; \
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- })
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-# endif
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-# endif
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-# define signbit(x) \
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- (sizeof (x) == sizeof (long double) ? gl_signbitl (x) : \
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- sizeof (x) == sizeof (double) ? gl_signbitd (x) : \
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- gl_signbitf (x))
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-# endif
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-# ifdef __cplusplus
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-# if defined signbit || defined GNULIB_NAMESPACE
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-_GL_MATH_CXX_REAL_FLOATING_DECL_1 (signbit)
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-# undef signbit
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-_GL_MATH_CXX_REAL_FLOATING_DECL_2 (signbit)
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-# endif
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-# endif
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-#elif defined GNULIB_POSIXCHECK
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-# if defined signbit
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-_GL_WARN_REAL_FLOATING_DECL (signbit);
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-# undef signbit
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-# define signbit(x) _GL_WARN_REAL_FLOATING_IMPL (signbit, x)
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-# endif
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-#endif
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-
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_GL_INLINE_HEADER_END
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#endif /* _@GUARD_PREFIX@_MATH_H */
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