1 files changed, 442 insertions, 0 deletions
diff --git a/gl/math.h b/gl/math.h
new file mode 100644
index 0000000..9db986e
--- /dev/null
+++ b/gl/math.h
@@ -0,0 +1,442 @@
+/* DO NOT EDIT! GENERATED AUTOMATICALLY! */
+/* A GNU-like <math.h>.
+   Copyright (C) 2002-2003, 2007 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
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+   This program 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 General Public License for more details.
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+#ifndef _GL_MATH_H
+/* The include_next requires a split double-inclusion guard.  */
+#include_next <math.h>
+#ifndef _GL_MATH_H
+#define _GL_MATH_H
+/* The definition of GL_LINK_WARNING is copied here.  */
+/* GL_LINK_WARNING("literal string") arranges to emit the literal string as
+   a linker warning on most glibc systems.
+   We use a linker warning rather than a preprocessor warning, because
+   #warning cannot be used inside macros.  */
+#ifndef GL_LINK_WARNING
+  /* This works on platforms with GNU ld and ELF object format.
+     Testing __GLIBC__ is sufficient for asserting that GNU ld is in use.
+     Testing __ELF__ guarantees the ELF object format.
+     Testing __GNUC__ is necessary for the compound expression syntax.  */
+# if defined __GLIBC__ && defined __ELF__ && defined __GNUC__
+#  define GL_LINK_WARNING(message) \
+     GL_LINK_WARNING1 (__FILE__, __LINE__, message)
+#  define GL_LINK_WARNING1(file, line, message) \
+     GL_LINK_WARNING2 (file, line, message)  /* macroexpand file and line */
+#  define GL_LINK_WARNING2(file, line, message) \
+     GL_LINK_WARNING3 (file ":" #line ": warning: " message)
+#  define GL_LINK_WARNING3(message) \
+     ({ static const char warning[sizeof (message)]             \
+          __attribute__ ((__unused__,                           \
+                          __section__ (".gnu.warning"),         \
+                          __aligned__ (1)))                     \
+          = message "\n";                                       \
+        (void)0;                                                \
+     })
+# else
+#  define GL_LINK_WARNING(message) ((void) 0)
+# endif
+#endif
+#ifdef __cplusplus
+extern "C" {
+#endif
+/* Write x as
+     x = mantissa * 2^exp
+   where
+     If x finite and nonzero: 0.5 <= |mantissa| < 1.0.
+     If x is zero: mantissa = x, exp = 0.
+     If x is infinite or NaN: mantissa = x, exp unspecified.
+   Store exp in *EXPPTR and return mantissa.  */
+#if 0
+# if 0
+#  define frexp rpl_frexp
+extern double frexp (double x, int *expptr);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef frexp
+# define frexp(x,e) \
+    (GL_LINK_WARNING ("frexp is unportable - " \
+                      "use gnulib module frexp for portability"), \
+     frexp (x, e))
+#endif
+#if 0 || !1
+extern long double acosl (long double x);
+#endif
+#if !0 && defined GNULIB_POSIXCHECK
+# undef acosl
+# define acosl(x) \
+    (GL_LINK_WARNING ("acosl is unportable - " \
+                      "use gnulib module mathl for portability"), \
+     acosl (x))
+#endif
+#if 0 || !1
+extern long double asinl (long double x);
+#endif
+#if !0 && defined GNULIB_POSIXCHECK
+# undef asinl
+# define asinl(x) \
+    (GL_LINK_WARNING ("asinl is unportable - " \
+                      "use gnulib module mathl for portability"), \
+     asinl (x))
+#endif
+#if 0 || !1
+extern long double atanl (long double x);
+#endif
+#if !0 && defined GNULIB_POSIXCHECK
+# undef atanl
+# define atanl(x) \
+    (GL_LINK_WARNING ("atanl is unportable - " \
+                      "use gnulib module mathl for portability"), \
+     atanl (x))
+#endif
+#if 0
+# if 0
+#  define ceilf rpl_ceilf
+extern float ceilf (float x);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef ceilf
+# define ceilf(x) \
+    (GL_LINK_WARNING ("ceilf is unportable - " \
+                      "use gnulib module ceilf for portability"), \
+     ceilf (x))
+#endif
+#if 0
+# if 0
+#  define ceill rpl_ceill
+extern long double ceill (long double x);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef ceill
+# define ceill(x) \
+    (GL_LINK_WARNING ("ceill is unportable - " \
+                      "use gnulib module ceill for portability"), \
+     ceill (x))
+#endif
+#if 0 || !1
+extern long double cosl (long double x);
+#endif
+#if !0 && defined GNULIB_POSIXCHECK
+# undef cosl
+# define cosl(x) \
+    (GL_LINK_WARNING ("cosl is unportable - " \
+                      "use gnulib module mathl for portability"), \
+     cosl (x))
+#endif
+#if 0 || !1
+extern long double expl (long double x);
+#endif
+#if !0 && defined GNULIB_POSIXCHECK
+# undef expl
+# define expl(x) \
+    (GL_LINK_WARNING ("expl is unportable - " \
+                      "use gnulib module mathl for portability"), \
+     expl (x))
+#endif
+#if 1
+# if 0
+#  define floorf rpl_floorf
+extern float floorf (float x);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef floorf
+# define floorf(x) \
+    (GL_LINK_WARNING ("floorf is unportable - " \
+                      "use gnulib module floorf for portability"), \
+     floorf (x))
+#endif
+#if 0
+# if 0
+#  define floorl rpl_floorl
+extern long double floorl (long double x);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef floorl
+# define floorl(x) \
+    (GL_LINK_WARNING ("floorl is unportable - " \
+                      "use gnulib module floorl for portability"), \
+     floorl (x))
+#endif
+/* Write x as
+     x = mantissa * 2^exp
+   where
+     If x finite and nonzero: 0.5 <= |mantissa| < 1.0.
+     If x is zero: mantissa = x, exp = 0.
+     If x is infinite or NaN: mantissa = x, exp unspecified.
+   Store exp in *EXPPTR and return mantissa.  */
+#if 0 && 0
+# define frexpl rpl_frexpl
+#endif
+#if (0 && 0) || !1
+extern long double frexpl (long double x, int *expptr);
+#endif
+#if !0 && defined GNULIB_POSIXCHECK
+# undef frexpl
+# define frexpl(x,e) \
+    (GL_LINK_WARNING ("frexpl is unportable - " \
+                      "use gnulib module frexpl for portability"), \
+     frexpl (x, e))
+#endif
+/* Return x * 2^exp.  */
+#if 0 && 0
+# define ldexpl rpl_ldexpl
+#endif
+#if (0 && 0) || !1
+extern long double ldexpl (long double x, int exp);
+#endif
+#if !0 && defined GNULIB_POSIXCHECK
+# undef ldexpl
+# define ldexpl(x,e) \
+    (GL_LINK_WARNING ("ldexpl is unportable - " \
+                      "use gnulib module ldexpl for portability"), \
+     ldexpl (x, e))
+#endif
+#if 0 || !1
+extern long double logl (long double x);
+#endif
+#if !0 && defined GNULIB_POSIXCHECK
+# undef logl
+# define logl(x) \
+    (GL_LINK_WARNING ("logl is unportable - " \
+                      "use gnulib module mathl for portability"), \
+     logl (x))
+#endif
+#if 0
+# if 0
+#  undef roundf
+#  define roundf rpl_roundf
+extern float roundf (float x);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef roundf
+# define roundf(x) \
+    (GL_LINK_WARNING ("roundf is unportable - " \
+                      "use gnulib module roundf for portability"), \
+     roundf (x))
+#endif
+#if 0
+# if 0
+#  undef round
+#  define round rpl_round
+extern double round (double x);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef round
+# define round(x) \
+    (GL_LINK_WARNING ("round is unportable - " \
+                      "use gnulib module round for portability"), \
+     round (x))
+#endif
+#if 0
+# if 0
+#  undef roundl
+#  define roundl rpl_roundl
+extern long double roundl (long double x);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef roundl
+# define roundl(x) \
+    (GL_LINK_WARNING ("roundl is unportable - " \
+                      "use gnulib module roundl for portability"), \
+     roundl (x))
+#endif
+#if 0 || !1
+extern long double sinl (long double x);
+#endif
+#if !0 && defined GNULIB_POSIXCHECK
+# undef sinl
+# define sinl(x) \
+    (GL_LINK_WARNING ("sinl is unportable - " \
+                      "use gnulib module mathl for portability"), \
+     sinl (x))
+#endif
+#if 0 || !1
+extern long double sqrtl (long double x);
+#endif
+#if !0 && defined GNULIB_POSIXCHECK
+# undef sqrtl
+# define sqrtl(x) \
+    (GL_LINK_WARNING ("sqrtl is unportable - " \
+                      "use gnulib module mathl for portability"), \
+     sqrtl (x))
+#endif
+#if 0 || !1
+extern long double tanl (long double x);
+#endif
+#if !0 && defined GNULIB_POSIXCHECK
+# undef tanl
+# define tanl(x) \
+    (GL_LINK_WARNING ("tanl is unportable - " \
+                      "use gnulib module mathl for portability"), \
+     tanl (x))
+#endif
+#if 0
+# if !1
+#  define truncf rpl_truncf
+extern float truncf (float x);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef truncf
+# define truncf(x) \
+    (GL_LINK_WARNING ("truncf is unportable - " \
+                      "use gnulib module truncf for portability"), \
+     truncf (x))
+#endif
+#if 0
+# if !1
+#  define trunc rpl_trunc
+extern double trunc (double x);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef trunc
+# define trunc(x) \
+    (GL_LINK_WARNING ("trunc is unportable - " \
+                      "use gnulib module trunc for portability"), \
+     trunc (x))
+#endif
+#if 0
+# if !1
+#  define truncl rpl_truncl
+extern long double truncl (long double x);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef truncl
+# define truncl(x) \
+    (GL_LINK_WARNING ("truncl is unportable - " \
+                      "use gnulib module truncl for portability"), \
+     truncl (x))
+#endif
+#if 0
+# if 0
+extern int gl_isfinitef (float x);
+extern int gl_isfinited (double x);
+extern int gl_isfinitel (long double x);
+#  undef isfinite
+#  define isfinite(x) \
+   (sizeof (x) == sizeof (long double) ? gl_isfinitel (x) : \
+    sizeof (x) == sizeof (double) ? gl_isfinited (x) : \
+    gl_isfinitef (x))
+# endif
+#elif defined GNULIB_POSIXCHECK
+  /* How to override a macro?  */
+#endif
+#if 0
+# if 0
+#  undef signbit
+   /* GCC 4.0 and newer provides three built-ins for signbit.  */
+#  define signbit(x) \
+   (sizeof (x) == sizeof (long double) ? __builtin_signbitl (x) : \
+    sizeof (x) == sizeof (double) ? __builtin_signbit (x) : \
+    __builtin_signbitf (x))
+# endif
+# if 0
+#  undef signbit
+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
+#    define gl_signbitf(arg) \
+       ({ union { float _value;                                         \
+                  unsigned int _word[(sizeof (float) + sizeof (unsigned int) - 1) / sizeof (unsigned int)]; \
+                } _m;                                                   \
+          _m._value = (arg);                                            \
+          (_m._word[FLT_SIGNBIT_WORD] >> FLT_SIGNBIT_BIT) & 1;          \
+        })
+#   endif
+#   if defined DBL_SIGNBIT_WORD && defined DBL_SIGNBIT_BIT
+#    define gl_signbitd(arg) \
+       ({ union { double _value;                                                \
+                  unsigned int _word[(sizeof (double) + sizeof (unsigned int) - 1) / sizeof (unsigned int)]; \
+                } _m;                                                   \
+          _m._value = (arg);                                            \
+          (_m._word[DBL_SIGNBIT_WORD] >> DBL_SIGNBIT_BIT) & 1;          \
+        })
+#   endif
+#   if defined LDBL_SIGNBIT_WORD && defined LDBL_SIGNBIT_BIT
+#    define gl_signbitl(arg) \
+       ({ union { long double _value;                                   \
+                  unsigned int _word[(sizeof (long double) + sizeof (unsigned int) - 1) / sizeof (unsigned int)]; \
+                } _m;                                                   \
+          _m._value = (arg);                                            \
+          (_m._word[LDBL_SIGNBIT_WORD] >> LDBL_SIGNBIT_BIT) & 1;                \
+        })
+#   endif
+#  endif
+#  define signbit(x) \
+   (sizeof (x) == sizeof (long double) ? gl_signbitl (x) : \
+    sizeof (x) == sizeof (double) ? gl_signbitd (x) : \
+    gl_signbitf (x))
+# endif
+#elif defined GNULIB_POSIXCHECK
+  /* How to override a macro?  */
+#endif
+#ifdef __cplusplus
+}
+#endif
+#endif /* _GL_MATH_H */
+#endif /* _GL_MATH_H */

diff --git a/gl/math.h b/gl/math.h new file mode 100644 index 0000000..9db986e --- /dev/null +++ b/gl/math.h
@@ -0,0 +1,442 @@
	1	/* DO NOT EDIT! GENERATED AUTOMATICALLY! */
	2	/* A GNU-like <math.h>.
	3
	4	Copyright (C) 2002-2003, 2007 Free Software Foundation, Inc.
	5
	6	This program is free software: you can redistribute it and/or modify
	7	it under the terms of the GNU General Public License as published by
	8	the Free Software Foundation; either version 3 of the License, or
	9	(at your option) any later version.
	10
	11	This program is distributed in the hope that it will be useful,
	12	but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	GNU General Public License for more details.
	15
	16	You should have received a copy of the GNU General Public License
	17	along with this program. If not, see <http://www.gnu.org/licenses/>. */
	18
	19	#ifndef _GL_MATH_H
	20
	21	/* The include_next requires a split double-inclusion guard. */
	22	#include_next <math.h>
	23
	24	#ifndef _GL_MATH_H
	25	#define _GL_MATH_H
	26
	27
	28	/* The definition of GL_LINK_WARNING is copied here. */
	29	/* GL_LINK_WARNING("literal string") arranges to emit the literal string as
	30	a linker warning on most glibc systems.
	31	We use a linker warning rather than a preprocessor warning, because
	32	#warning cannot be used inside macros. */
	33	#ifndef GL_LINK_WARNING
	34	/* This works on platforms with GNU ld and ELF object format.
	35	Testing __GLIBC__ is sufficient for asserting that GNU ld is in use.
	36	Testing __ELF__ guarantees the ELF object format.
	37	Testing __GNUC__ is necessary for the compound expression syntax. */
	38	# if defined __GLIBC__ && defined __ELF__ && defined __GNUC__
	39	# define GL_LINK_WARNING(message) \
	40	GL_LINK_WARNING1 (__FILE__, __LINE__, message)
	41	# define GL_LINK_WARNING1(file, line, message) \
	42	GL_LINK_WARNING2 (file, line, message) /* macroexpand file and line */
	43	# define GL_LINK_WARNING2(file, line, message) \
	44	GL_LINK_WARNING3 (file ":" #line ": warning: " message)
	45	# define GL_LINK_WARNING3(message) \
	46	({ static const char warning[sizeof (message)] \
	47	__attribute__ ((__unused__, \
	48	__section__ (".gnu.warning"), \
	49	__aligned__ (1))) \
	50	= message "\n"; \
	51	(void)0; \
	52	})
	53	# else
	54	# define GL_LINK_WARNING(message) ((void) 0)
	55	# endif
	56	#endif
	57
	58
	59	#ifdef __cplusplus
	60	extern "C" {
	61	#endif
	62
	63
	64	/* Write x as
	65	x = mantissa * 2^exp
	66	where
	67	If x finite and nonzero: 0.5 <= \|mantissa\| < 1.0.
	68	If x is zero: mantissa = x, exp = 0.
	69	If x is infinite or NaN: mantissa = x, exp unspecified.
	70	Store exp in EXPPTR and return mantissa. /
	71	#if 0
	72	# if 0
	73	# define frexp rpl_frexp
	74	extern double frexp (double x, int *expptr);
	75	# endif
	76	#elif defined GNULIB_POSIXCHECK
	77	# undef frexp
	78	# define frexp(x,e) \
	79	(GL_LINK_WARNING ("frexp is unportable - " \
	80	"use gnulib module frexp for portability"), \
	81	frexp (x, e))
	82	#endif
	83
	84
	85	#if 0 \|\| !1
	86	extern long double acosl (long double x);
	87	#endif
	88	#if !0 && defined GNULIB_POSIXCHECK
	89	# undef acosl
	90	# define acosl(x) \
	91	(GL_LINK_WARNING ("acosl is unportable - " \
	92	"use gnulib module mathl for portability"), \
	93	acosl (x))
	94	#endif
	95
	96
	97	#if 0 \|\| !1
	98	extern long double asinl (long double x);
	99	#endif
	100	#if !0 && defined GNULIB_POSIXCHECK
	101	# undef asinl
	102	# define asinl(x) \
	103	(GL_LINK_WARNING ("asinl is unportable - " \
	104	"use gnulib module mathl for portability"), \
	105	asinl (x))
	106	#endif
	107
	108
	109	#if 0 \|\| !1
	110	extern long double atanl (long double x);
	111	#endif
	112	#if !0 && defined GNULIB_POSIXCHECK
	113	# undef atanl
	114	# define atanl(x) \
	115	(GL_LINK_WARNING ("atanl is unportable - " \
	116	"use gnulib module mathl for portability"), \
	117	atanl (x))
	118	#endif
	119
	120
	121	#if 0
	122	# if 0
	123	# define ceilf rpl_ceilf
	124	extern float ceilf (float x);
	125	# endif
	126	#elif defined GNULIB_POSIXCHECK
	127	# undef ceilf
	128	# define ceilf(x) \
	129	(GL_LINK_WARNING ("ceilf is unportable - " \
	130	"use gnulib module ceilf for portability"), \
	131	ceilf (x))
	132	#endif
	133
	134	#if 0
	135	# if 0
	136	# define ceill rpl_ceill
	137	extern long double ceill (long double x);
	138	# endif
	139	#elif defined GNULIB_POSIXCHECK
	140	# undef ceill
	141	# define ceill(x) \
	142	(GL_LINK_WARNING ("ceill is unportable - " \
	143	"use gnulib module ceill for portability"), \
	144	ceill (x))
	145	#endif
	146
	147
	148	#if 0 \|\| !1
	149	extern long double cosl (long double x);
	150	#endif
	151	#if !0 && defined GNULIB_POSIXCHECK
	152	# undef cosl
	153	# define cosl(x) \
	154	(GL_LINK_WARNING ("cosl is unportable - " \
	155	"use gnulib module mathl for portability"), \
	156	cosl (x))
	157	#endif
	158
	159
	160	#if 0 \|\| !1
	161	extern long double expl (long double x);
	162	#endif
	163	#if !0 && defined GNULIB_POSIXCHECK
	164	# undef expl
	165	# define expl(x) \
	166	(GL_LINK_WARNING ("expl is unportable - " \
	167	"use gnulib module mathl for portability"), \
	168	expl (x))
	169	#endif
	170
	171
	172	#if 1
	173	# if 0
	174	# define floorf rpl_floorf
	175	extern float floorf (float x);
	176	# endif
	177	#elif defined GNULIB_POSIXCHECK
	178	# undef floorf
	179	# define floorf(x) \
	180	(GL_LINK_WARNING ("floorf is unportable - " \
	181	"use gnulib module floorf for portability"), \
	182	floorf (x))
	183	#endif
	184
	185	#if 0
	186	# if 0
	187	# define floorl rpl_floorl
	188	extern long double floorl (long double x);
	189	# endif
	190	#elif defined GNULIB_POSIXCHECK
	191	# undef floorl
	192	# define floorl(x) \
	193	(GL_LINK_WARNING ("floorl is unportable - " \
	194	"use gnulib module floorl for portability"), \
	195	floorl (x))
	196	#endif
	197
	198
	199	/* Write x as
	200	x = mantissa * 2^exp
	201	where
	202	If x finite and nonzero: 0.5 <= \|mantissa\| < 1.0.
	203	If x is zero: mantissa = x, exp = 0.
	204	If x is infinite or NaN: mantissa = x, exp unspecified.
	205	Store exp in EXPPTR and return mantissa. /
	206	#if 0 && 0
	207	# define frexpl rpl_frexpl
	208	#endif
	209	#if (0 && 0) \|\| !1
	210	extern long double frexpl (long double x, int *expptr);
	211	#endif
	212	#if !0 && defined GNULIB_POSIXCHECK
	213	# undef frexpl
	214	# define frexpl(x,e) \
	215	(GL_LINK_WARNING ("frexpl is unportable - " \
	216	"use gnulib module frexpl for portability"), \
	217	frexpl (x, e))
	218	#endif
	219
	220
	221	/* Return x * 2^exp. */
	222	#if 0 && 0
	223	# define ldexpl rpl_ldexpl
	224	#endif
	225	#if (0 && 0) \|\| !1
	226	extern long double ldexpl (long double x, int exp);
	227	#endif
	228	#if !0 && defined GNULIB_POSIXCHECK
	229	# undef ldexpl
	230	# define ldexpl(x,e) \
	231	(GL_LINK_WARNING ("ldexpl is unportable - " \
	232	"use gnulib module ldexpl for portability"), \
	233	ldexpl (x, e))
	234	#endif
	235
	236
	237	#if 0 \|\| !1
	238	extern long double logl (long double x);
	239	#endif
	240	#if !0 && defined GNULIB_POSIXCHECK
	241	# undef logl
	242	# define logl(x) \
	243	(GL_LINK_WARNING ("logl is unportable - " \
	244	"use gnulib module mathl for portability"), \
	245	logl (x))
	246	#endif
	247
	248
	249	#if 0
	250	# if 0
	251	# undef roundf
	252	# define roundf rpl_roundf
	253	extern float roundf (float x);
	254	# endif
	255	#elif defined GNULIB_POSIXCHECK
	256	# undef roundf
	257	# define roundf(x) \
	258	(GL_LINK_WARNING ("roundf is unportable - " \
	259	"use gnulib module roundf for portability"), \
	260	roundf (x))
	261	#endif
	262
	263	#if 0
	264	# if 0
	265	# undef round
	266	# define round rpl_round
	267	extern double round (double x);
	268	# endif
	269	#elif defined GNULIB_POSIXCHECK
	270	# undef round
	271	# define round(x) \
	272	(GL_LINK_WARNING ("round is unportable - " \
	273	"use gnulib module round for portability"), \
	274	round (x))
	275	#endif
	276
	277	#if 0
	278	# if 0
	279	# undef roundl
	280	# define roundl rpl_roundl
	281	extern long double roundl (long double x);
	282	# endif
	283	#elif defined GNULIB_POSIXCHECK
	284	# undef roundl
	285	# define roundl(x) \
	286	(GL_LINK_WARNING ("roundl is unportable - " \
	287	"use gnulib module roundl for portability"), \
	288	roundl (x))
	289	#endif
	290
	291
	292	#if 0 \|\| !1
	293	extern long double sinl (long double x);
	294	#endif
	295	#if !0 && defined GNULIB_POSIXCHECK
	296	# undef sinl
	297	# define sinl(x) \
	298	(GL_LINK_WARNING ("sinl is unportable - " \
	299	"use gnulib module mathl for portability"), \
	300	sinl (x))
	301	#endif
	302
	303
	304	#if 0 \|\| !1
	305	extern long double sqrtl (long double x);
	306	#endif
	307	#if !0 && defined GNULIB_POSIXCHECK
	308	# undef sqrtl
	309	# define sqrtl(x) \
	310	(GL_LINK_WARNING ("sqrtl is unportable - " \
	311	"use gnulib module mathl for portability"), \
	312	sqrtl (x))
	313	#endif
	314
	315
	316	#if 0 \|\| !1
	317	extern long double tanl (long double x);
	318	#endif
	319	#if !0 && defined GNULIB_POSIXCHECK
	320	# undef tanl
	321	# define tanl(x) \
	322	(GL_LINK_WARNING ("tanl is unportable - " \
	323	"use gnulib module mathl for portability"), \
	324	tanl (x))
	325	#endif
	326
	327
	328	#if 0
	329	# if !1
	330	# define truncf rpl_truncf
	331	extern float truncf (float x);
	332	# endif
	333	#elif defined GNULIB_POSIXCHECK
	334	# undef truncf
	335	# define truncf(x) \
	336	(GL_LINK_WARNING ("truncf is unportable - " \
	337	"use gnulib module truncf for portability"), \
	338	truncf (x))
	339	#endif
	340
	341	#if 0
	342	# if !1
	343	# define trunc rpl_trunc
	344	extern double trunc (double x);
	345	# endif
	346	#elif defined GNULIB_POSIXCHECK
	347	# undef trunc
	348	# define trunc(x) \
	349	(GL_LINK_WARNING ("trunc is unportable - " \
	350	"use gnulib module trunc for portability"), \
	351	trunc (x))
	352	#endif
	353
	354	#if 0
	355	# if !1
	356	# define truncl rpl_truncl
	357	extern long double truncl (long double x);
	358	# endif
	359	#elif defined GNULIB_POSIXCHECK
	360	# undef truncl
	361	# define truncl(x) \
	362	(GL_LINK_WARNING ("truncl is unportable - " \
	363	"use gnulib module truncl for portability"), \
	364	truncl (x))
	365	#endif
	366
	367
	368	#if 0
	369	# if 0
	370	extern int gl_isfinitef (float x);
	371	extern int gl_isfinited (double x);
	372	extern int gl_isfinitel (long double x);
	373	# undef isfinite
	374	# define isfinite(x) \
	375	(sizeof (x) == sizeof (long double) ? gl_isfinitel (x) : \
	376	sizeof (x) == sizeof (double) ? gl_isfinited (x) : \
	377	gl_isfinitef (x))
	378	# endif
	379	#elif defined GNULIB_POSIXCHECK
	380	/* How to override a macro? */
	381	#endif
	382
	383
	384	#if 0
	385	# if 0
	386	# undef signbit
	387	/* GCC 4.0 and newer provides three built-ins for signbit. */
	388	# define signbit(x) \
	389	(sizeof (x) == sizeof (long double) ? __builtin_signbitl (x) : \
	390	sizeof (x) == sizeof (double) ? __builtin_signbit (x) : \
	391	__builtin_signbitf (x))
	392	# endif
	393	# if 0
	394	# undef signbit
	395	extern int gl_signbitf (float arg);
	396	extern int gl_signbitd (double arg);
	397	extern int gl_signbitl (long double arg);
	398	# if __GNUC__ >= 2 && !__STRICT_ANSI__
	399	# if defined FLT_SIGNBIT_WORD && defined FLT_SIGNBIT_BIT
	400	# define gl_signbitf(arg) \
	401	({ union { float _value; \
	402	unsigned int _word[(sizeof (float) + sizeof (unsigned int) - 1) / sizeof (unsigned int)]; \
	403	} _m; \
	404	_m._value = (arg); \
	405	(_m._word[FLT_SIGNBIT_WORD] >> FLT_SIGNBIT_BIT) & 1; \
	406	})
	407	# endif
	408	# if defined DBL_SIGNBIT_WORD && defined DBL_SIGNBIT_BIT
	409	# define gl_signbitd(arg) \
	410	({ union { double _value; \
	411	unsigned int _word[(sizeof (double) + sizeof (unsigned int) - 1) / sizeof (unsigned int)]; \
	412	} _m; \
	413	_m._value = (arg); \
	414	(_m._word[DBL_SIGNBIT_WORD] >> DBL_SIGNBIT_BIT) & 1; \
	415	})
	416	# endif
	417	# if defined LDBL_SIGNBIT_WORD && defined LDBL_SIGNBIT_BIT
	418	# define gl_signbitl(arg) \
	419	({ union { long double _value; \
	420	unsigned int _word[(sizeof (long double) + sizeof (unsigned int) - 1) / sizeof (unsigned int)]; \
	421	} _m; \
	422	_m._value = (arg); \
	423	(_m._word[LDBL_SIGNBIT_WORD] >> LDBL_SIGNBIT_BIT) & 1; \
	424	})
	425	# endif
	426	# endif
	427	# define signbit(x) \
	428	(sizeof (x) == sizeof (long double) ? gl_signbitl (x) : \
	429	sizeof (x) == sizeof (double) ? gl_signbitd (x) : \
	430	gl_signbitf (x))
	431	# endif
	432	#elif defined GNULIB_POSIXCHECK
	433	/* How to override a macro? */
	434	#endif
	435
	436
	437	#ifdef __cplusplus
	438	}
	439	#endif
	440
	441	#endif /* _GL_MATH_H */
	442	#endif /* _GL_MATH_H */