/* A GNU-like <math.h>.
- Copyright (C) 2002-2003, 2007-2012 Free Software Foundation, Inc.
+ Copyright (C) 2002-2003, 2007-2014 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
#ifndef _@GUARD_PREFIX@_MATH_H
#define _@GUARD_PREFIX@_MATH_H
+#ifndef _GL_INLINE_HEADER_BEGIN
+ #error "Please include config.h first."
+#endif
+_GL_INLINE_HEADER_BEGIN
+#ifndef _GL_MATH_INLINE
+# define _GL_MATH_INLINE _GL_INLINE
+#endif
/* The definitions of _GL_FUNCDECL_RPL etc. are copied here. */
classification macros with an argument of real-floating (that is,
one of float, double, or long double). */
#define _GL_WARN_REAL_FLOATING_DECL(func) \
-static inline int \
+_GL_MATH_INLINE int \
rpl_ ## func ## f (float f) \
{ \
return func (f); \
} \
-static inline int \
+_GL_MATH_INLINE int \
rpl_ ## func ## d (double d) \
{ \
return func (d); \
} \
-static inline int \
+_GL_MATH_INLINE int \
rpl_ ## func ## l (long double l) \
{ \
return func (l); \
/* The Compaq (ex-DEC) C 6.4 compiler and the Microsoft MSVC 9 compiler
choke on the expression 0.0 / 0.0. */
# if defined __DECC || defined _MSC_VER
-static float
+_GL_MATH_INLINE float
_NaN ()
{
static float zero = 0.0f;
# endif
#endif
+
+/* Ensure FP_ILOGB0 and FP_ILOGBNAN are defined. */
+#if !(defined FP_ILOGB0 && defined FP_ILOGBNAN)
+# if defined __NetBSD__ || defined __sgi
+ /* NetBSD, IRIX 6.5: match what ilogb() does */
+# define FP_ILOGB0 (- 2147483647 - 1) /* INT_MIN */
+# define FP_ILOGBNAN (- 2147483647 - 1) /* INT_MIN */
+# elif defined _AIX
+ /* AIX 5.1: match what ilogb() does in AIX >= 5.2 */
+# define FP_ILOGB0 (- 2147483647 - 1) /* INT_MIN */
+# define FP_ILOGBNAN 2147483647 /* INT_MAX */
+# elif defined __sun
+ /* Solaris 9: match what ilogb() does */
+# define FP_ILOGB0 (- 2147483647) /* - INT_MAX */
+# define FP_ILOGBNAN 2147483647 /* INT_MAX */
+# else
+ /* Gnulib defined values. */
+# define FP_ILOGB0 (- 2147483647) /* - INT_MAX */
+# define FP_ILOGBNAN (- 2147483647 - 1) /* INT_MIN */
+# endif
+#endif
+
+
#if @GNULIB_ACOSF@
# if !@HAVE_ACOSF@
# undef acosf
#endif
+#if @GNULIB_EXP2F@
+# if !@HAVE_DECL_EXP2F@
+_GL_FUNCDECL_SYS (exp2f, float, (float x));
+# endif
+_GL_CXXALIAS_SYS (exp2f, float, (float x));
+_GL_CXXALIASWARN (exp2f);
+#elif defined GNULIB_POSIXCHECK
+# undef exp2f
+# if HAVE_RAW_DECL_EXP2F
+_GL_WARN_ON_USE (exp2f, "exp2f is unportable - "
+ "use gnulib module exp2f for portability");
+# endif
+#endif
+
#if @GNULIB_EXP2@
# if @REPLACE_EXP2@
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# endif
#endif
+#if @GNULIB_EXP2L@
+# if @REPLACE_EXP2L@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef exp2l
+# define exp2l rpl_exp2l
+# endif
+_GL_FUNCDECL_RPL (exp2l, long double, (long double x));
+_GL_CXXALIAS_RPL (exp2l, long double, (long double x));
+# else
+# if !@HAVE_DECL_EXP2L@
+# undef exp2l
+_GL_FUNCDECL_SYS (exp2l, long double, (long double x));
+# endif
+_GL_CXXALIAS_SYS (exp2l, long double, (long double x));
+# endif
+_GL_CXXALIASWARN (exp2l);
+#elif defined GNULIB_POSIXCHECK
+# undef exp2l
+# if HAVE_RAW_DECL_EXP2L
+_GL_WARN_ON_USE (exp2l, "exp2l is unportable - "
+ "use gnulib module exp2l for portability");
+# endif
+#endif
+
#if @GNULIB_EXPM1F@
# if @REPLACE_EXPM1F@
#endif
+#if @GNULIB_ILOGBF@
+# if @REPLACE_ILOGBF@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef ilogbf
+# define ilogbf rpl_ilogbf
+# endif
+_GL_FUNCDECL_RPL (ilogbf, int, (float x));
+_GL_CXXALIAS_RPL (ilogbf, int, (float x));
+# else
+# if !@HAVE_ILOGBF@
+_GL_FUNCDECL_SYS (ilogbf, int, (float x));
+# endif
+_GL_CXXALIAS_SYS (ilogbf, int, (float x));
+# endif
+_GL_CXXALIASWARN (ilogbf);
+#elif defined GNULIB_POSIXCHECK
+# undef ilogbf
+# if HAVE_RAW_DECL_ILOGBF
+_GL_WARN_ON_USE (ilogbf, "ilogbf is unportable - "
+ "use gnulib module ilogbf for portability");
+# endif
+#endif
+
+#if @GNULIB_ILOGB@
+# if @REPLACE_ILOGB@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef ilogb
+# define ilogb rpl_ilogb
+# endif
+_GL_FUNCDECL_RPL (ilogb, int, (double x));
+_GL_CXXALIAS_RPL (ilogb, int, (double x));
+# else
+# if !@HAVE_ILOGB@
+_GL_FUNCDECL_SYS (ilogb, int, (double x));
+# endif
+_GL_CXXALIAS_SYS (ilogb, int, (double x));
+# endif
+_GL_CXXALIASWARN (ilogb);
+#elif defined GNULIB_POSIXCHECK
+# undef ilogb
+# if HAVE_RAW_DECL_ILOGB
+_GL_WARN_ON_USE (ilogb, "ilogb is unportable - "
+ "use gnulib module ilogb for portability");
+# endif
+#endif
+
+#if @GNULIB_ILOGBL@
+# if !@HAVE_ILOGBL@
+_GL_FUNCDECL_SYS (ilogbl, int, (long double x));
+# endif
+_GL_CXXALIAS_SYS (ilogbl, int, (long double x));
+_GL_CXXALIASWARN (ilogbl);
+#elif defined GNULIB_POSIXCHECK
+# undef ilogbl
+# if HAVE_RAW_DECL_ILOGBL
+_GL_WARN_ON_USE (ilogbl, "ilogbl is unportable - "
+ "use gnulib module ilogbl for portability");
+# endif
+#endif
+
+
/* Return x * 2^exp. */
#if @GNULIB_LDEXPF@
# if !@HAVE_LDEXPF@
#endif
-#if @GNULIB_LOGB@
-# if !@HAVE_DECL_LOGB@
-_GL_EXTERN_C double logb (double x);
-# endif
-#elif defined GNULIB_POSIXCHECK
-# undef logb
-# if HAVE_RAW_DECL_LOGB
-_GL_WARN_ON_USE (logb, "logb is unportable - "
- "use gnulib module logb for portability");
-# endif
-#endif
-
-
#if @GNULIB_LOGF@
-# if !@HAVE_LOGF@
-# undef logf
+# if @REPLACE_LOGF@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef logf
+# define logf rpl_logf
+# endif
+_GL_FUNCDECL_RPL (logf, float, (float x));
+_GL_CXXALIAS_RPL (logf, float, (float x));
+# else
+# if !@HAVE_LOGF@
+# undef logf
_GL_FUNCDECL_SYS (logf, float, (float x));
-# endif
+# endif
_GL_CXXALIAS_SYS (logf, float, (float x));
+# endif
_GL_CXXALIASWARN (logf);
#elif defined GNULIB_POSIXCHECK
# undef logf
# endif
#endif
+#if @GNULIB_LOG@
+# if @REPLACE_LOG@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef log
+# define log rpl_log
+# endif
+_GL_FUNCDECL_RPL (log, double, (double x));
+_GL_CXXALIAS_RPL (log, double, (double x));
+# else
+_GL_CXXALIAS_SYS (log, double, (double x));
+# endif
+_GL_CXXALIASWARN (log);
+#elif defined GNULIB_POSIXCHECK
+# undef log
+# if HAVE_RAW_DECL_LOG
+_GL_WARN_ON_USE (log, "log has portability problems - "
+ "use gnulib module log for portability");
+# endif
+#endif
+
#if @GNULIB_LOGL@
-# if !@HAVE_LOGL@ || !@HAVE_DECL_LOGL@
-# undef logl
+# if @REPLACE_LOGL@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef logl
+# define logl rpl_logl
+# endif
+_GL_FUNCDECL_RPL (logl, long double, (long double x));
+_GL_CXXALIAS_RPL (logl, long double, (long double x));
+# else
+# if !@HAVE_LOGL@ || !@HAVE_DECL_LOGL@
+# undef logl
_GL_FUNCDECL_SYS (logl, long double, (long double x));
-# endif
+# endif
_GL_CXXALIAS_SYS (logl, long double, (long double x));
+# endif
_GL_CXXALIASWARN (logl);
#elif defined GNULIB_POSIXCHECK
# undef logl
#if @GNULIB_LOG10F@
-# if !@HAVE_LOG10F@
-# undef log10f
+# if @REPLACE_LOG10F@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef log10f
+# define log10f rpl_log10f
+# endif
+_GL_FUNCDECL_RPL (log10f, float, (float x));
+_GL_CXXALIAS_RPL (log10f, float, (float x));
+# else
+# if !@HAVE_LOG10F@
+# undef log10f
_GL_FUNCDECL_SYS (log10f, float, (float x));
-# endif
+# endif
_GL_CXXALIAS_SYS (log10f, float, (float x));
+# endif
_GL_CXXALIASWARN (log10f);
#elif defined GNULIB_POSIXCHECK
# undef log10f
# endif
#endif
+#if @GNULIB_LOG10@
+# if @REPLACE_LOG10@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef log10
+# define log10 rpl_log10
+# endif
+_GL_FUNCDECL_RPL (log10, double, (double x));
+_GL_CXXALIAS_RPL (log10, double, (double x));
+# else
+_GL_CXXALIAS_SYS (log10, double, (double x));
+# endif
+_GL_CXXALIASWARN (log10);
+#elif defined GNULIB_POSIXCHECK
+# undef log10
+# if HAVE_RAW_DECL_LOG10
+_GL_WARN_ON_USE (log10, "log10 has portability problems - "
+ "use gnulib module log10 for portability");
+# endif
+#endif
+
#if @GNULIB_LOG10L@
-# if !@HAVE_LOG10L@ || !@HAVE_DECL_LOG10L@
-# undef log10l
+# if @REPLACE_LOG10L@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef log10l
+# define log10l rpl_log10l
+# endif
+_GL_FUNCDECL_RPL (log10l, long double, (long double x));
+_GL_CXXALIAS_RPL (log10l, long double, (long double x));
+# else
+# if !@HAVE_LOG10L@ || !@HAVE_DECL_LOG10L@
+# undef log10l
_GL_FUNCDECL_SYS (log10l, long double, (long double x));
-# endif
+# endif
_GL_CXXALIAS_SYS (log10l, long double, (long double x));
+# endif
_GL_CXXALIASWARN (log10l);
#elif defined GNULIB_POSIXCHECK
# undef log10l
#endif
+#if @GNULIB_LOG1PF@
+# if @REPLACE_LOG1PF@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef log1pf
+# define log1pf rpl_log1pf
+# endif
+_GL_FUNCDECL_RPL (log1pf, float, (float x));
+_GL_CXXALIAS_RPL (log1pf, float, (float x));
+# else
+# if !@HAVE_LOG1PF@
+_GL_FUNCDECL_SYS (log1pf, float, (float x));
+# endif
+_GL_CXXALIAS_SYS (log1pf, float, (float x));
+# endif
+_GL_CXXALIASWARN (log1pf);
+#elif defined GNULIB_POSIXCHECK
+# undef log1pf
+# if HAVE_RAW_DECL_LOG1PF
+_GL_WARN_ON_USE (log1pf, "log1pf is unportable - "
+ "use gnulib module log1pf for portability");
+# endif
+#endif
+
+#if @GNULIB_LOG1P@
+# if @REPLACE_LOG1P@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef log1p
+# define log1p rpl_log1p
+# endif
+_GL_FUNCDECL_RPL (log1p, double, (double x));
+_GL_CXXALIAS_RPL (log1p, double, (double x));
+# else
+# if !@HAVE_LOG1P@
+_GL_FUNCDECL_SYS (log1p, double, (double x));
+# endif
+_GL_CXXALIAS_SYS (log1p, double, (double x));
+# endif
+_GL_CXXALIASWARN (log1p);
+#elif defined GNULIB_POSIXCHECK
+# undef log1p
+# if HAVE_RAW_DECL_LOG1P
+_GL_WARN_ON_USE (log1p, "log1p has portability problems - "
+ "use gnulib module log1p for portability");
+# endif
+#endif
+
+#if @GNULIB_LOG1PL@
+# if @REPLACE_LOG1PL@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef log1pl
+# define log1pl rpl_log1pl
+# endif
+_GL_FUNCDECL_RPL (log1pl, long double, (long double x));
+_GL_CXXALIAS_RPL (log1pl, long double, (long double x));
+# else
+# if !@HAVE_LOG1PL@
+_GL_FUNCDECL_SYS (log1pl, long double, (long double x));
+# endif
+_GL_CXXALIAS_SYS (log1pl, long double, (long double x));
+# endif
+_GL_CXXALIASWARN (log1pl);
+#elif defined GNULIB_POSIXCHECK
+# undef log1pl
+# if HAVE_RAW_DECL_LOG1PL
+_GL_WARN_ON_USE (log1pl, "log1pl has portability problems - "
+ "use gnulib module log1pl for portability");
+# endif
+#endif
+
+
+#if @GNULIB_LOG2F@
+# if @REPLACE_LOG2F@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef log2f
+# define log2f rpl_log2f
+# endif
+_GL_FUNCDECL_RPL (log2f, float, (float x));
+_GL_CXXALIAS_RPL (log2f, float, (float x));
+# else
+# if !@HAVE_DECL_LOG2F@
+# undef log2f
+_GL_FUNCDECL_SYS (log2f, float, (float x));
+# endif
+_GL_CXXALIAS_SYS (log2f, float, (float x));
+# endif
+_GL_CXXALIASWARN (log2f);
+#elif defined GNULIB_POSIXCHECK
+# undef log2f
+# if HAVE_RAW_DECL_LOG2F
+_GL_WARN_ON_USE (log2f, "log2f is unportable - "
+ "use gnulib module log2f for portability");
+# endif
+#endif
+
+#if @GNULIB_LOG2@
+# if @REPLACE_LOG2@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef log2
+# define log2 rpl_log2
+# endif
+_GL_FUNCDECL_RPL (log2, double, (double x));
+_GL_CXXALIAS_RPL (log2, double, (double x));
+# else
+# if !@HAVE_DECL_LOG2@
+# undef log2
+_GL_FUNCDECL_SYS (log2, double, (double x));
+# endif
+_GL_CXXALIAS_SYS (log2, double, (double x));
+# endif
+_GL_CXXALIASWARN (log2);
+#elif defined GNULIB_POSIXCHECK
+# undef log2
+# if HAVE_RAW_DECL_LOG2
+_GL_WARN_ON_USE (log2, "log2 is unportable - "
+ "use gnulib module log2 for portability");
+# endif
+#endif
+
+#if @GNULIB_LOG2L@
+# if @REPLACE_LOG2L@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef log2l
+# define log2l rpl_log2l
+# endif
+_GL_FUNCDECL_RPL (log2l, long double, (long double x));
+_GL_CXXALIAS_RPL (log2l, long double, (long double x));
+# else
+# if !@HAVE_DECL_LOG2L@
+_GL_FUNCDECL_SYS (log2l, long double, (long double x));
+# endif
+_GL_CXXALIAS_SYS (log2l, long double, (long double x));
+# endif
+_GL_CXXALIASWARN (log2l);
+#elif defined GNULIB_POSIXCHECK
+# undef log2l
+# if HAVE_RAW_DECL_LOG2L
+_GL_WARN_ON_USE (log2l, "log2l is unportable - "
+ "use gnulib module log2l for portability");
+# endif
+#endif
+
+
+#if @GNULIB_LOGBF@
+# if @REPLACE_LOGBF@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef logbf
+# define logbf rpl_logbf
+# endif
+_GL_FUNCDECL_RPL (logbf, float, (float x));
+_GL_CXXALIAS_RPL (logbf, float, (float x));
+# else
+# if !@HAVE_LOGBF@
+_GL_FUNCDECL_SYS (logbf, float, (float x));
+# endif
+_GL_CXXALIAS_SYS (logbf, float, (float x));
+# endif
+_GL_CXXALIASWARN (logbf);
+#elif defined GNULIB_POSIXCHECK
+# undef logbf
+# if HAVE_RAW_DECL_LOGBF
+_GL_WARN_ON_USE (logbf, "logbf is unportable - "
+ "use gnulib module logbf for portability");
+# endif
+#endif
+
+#if @GNULIB_LOGB@
+# if @REPLACE_LOGB@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef logb
+# define logb rpl_logb
+# endif
+_GL_FUNCDECL_RPL (logb, double, (double x));
+_GL_CXXALIAS_RPL (logb, double, (double x));
+# else
+# if !@HAVE_DECL_LOGB@
+_GL_FUNCDECL_SYS (logb, double, (double x));
+# endif
+_GL_CXXALIAS_SYS (logb, double, (double x));
+# endif
+_GL_CXXALIASWARN (logb);
+#elif defined GNULIB_POSIXCHECK
+# undef logb
+# if HAVE_RAW_DECL_LOGB
+_GL_WARN_ON_USE (logb, "logb is unportable - "
+ "use gnulib module logb for portability");
+# endif
+#endif
+
+#if @GNULIB_LOGBL@
+# if @REPLACE_LOGBL@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef logbl
+# define logbl rpl_logbl
+# endif
+_GL_FUNCDECL_RPL (logbl, long double, (long double x));
+_GL_CXXALIAS_RPL (logbl, long double, (long double x));
+# else
+# if !@HAVE_LOGBL@
+_GL_FUNCDECL_SYS (logbl, long double, (long double x));
+# endif
+_GL_CXXALIAS_SYS (logbl, long double, (long double x));
+# endif
+_GL_CXXALIASWARN (logbl);
+#elif defined GNULIB_POSIXCHECK
+# undef logbl
+# if HAVE_RAW_DECL_LOGBL
+_GL_WARN_ON_USE (logbl, "logbl is unportable - "
+ "use gnulib module logbl for portability");
+# endif
+#endif
+
+
#if @GNULIB_MODFF@
# if @REPLACE_MODFF@
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
_GL_CXXALIAS_RPL (remainderl, long double, (long double x, long double y));
# else
# if !@HAVE_DECL_REMAINDERL@
+# undef remainderl
_GL_FUNCDECL_SYS (remainderl, long double, (long double x, long double y));
# endif
_GL_CXXALIAS_SYS (remainderl, long double, (long double x, long double y));
#endif
#if @GNULIB_SQRTL@
-# if !@HAVE_SQRTL@ || !@HAVE_DECL_SQRTL@
-# undef sqrtl
+# if @REPLACE_SQRTL@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef sqrtl
+# define sqrtl rpl_sqrtl
+# endif
+_GL_FUNCDECL_RPL (sqrtl, long double, (long double x));
+_GL_CXXALIAS_RPL (sqrtl, long double, (long double x));
+# else
+# if !@HAVE_SQRTL@ || !@HAVE_DECL_SQRTL@
+# undef sqrtl
_GL_FUNCDECL_SYS (sqrtl, long double, (long double x));
-# endif
+# endif
_GL_CXXALIAS_SYS (sqrtl, long double, (long double x));
+# endif
_GL_CXXALIASWARN (sqrtl);
#elif defined GNULIB_POSIXCHECK
# undef sqrtl
# endif
#endif
+_GL_INLINE_HEADER_END
#endif /* _@GUARD_PREFIX@_MATH_H */
#endif /* _@GUARD_PREFIX@_MATH_H */
projects / gnulib.git / blobdiff