unistr/u*-next: Add missing dependencies.

[gnulib.git] / lib / math.in.h

diff --git a/lib/math.in.h b/lib/math.in.h
index 61850d1..5cefd4d 100644 (file)
--- a/lib/math.in.h
+++ b/lib/math.in.h
@@ -1,6 +1,6 @@
 /* A GNU-like <math.h>.
 
-   Copyright (C) 2002-2003, 2007-2009 Free Software Foundation, Inc.
+   Copyright (C) 2002-2003, 2007-2010 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
@@ -22,7 +22,7 @@
 #endif
 
 /* The include_next requires a split double-inclusion guard.  */
-#@INCLUDE_NEXT_AS_FIRST_DIRECTIVE@ @NEXT_MATH_H@
+#@INCLUDE_NEXT_AS_FIRST_DIRECTIVE@ @NEXT_AS_FIRST_DIRECTIVE_MATH_H@
 
 #ifndef _GL_MATH_H
 #define _GL_MATH_H
@@ -30,6 +30,8 @@
 
 /* The definition of GL_LINK_WARNING is copied here.  */
 
+/* The definition of _GL_ARG_NONNULL is copied here.  */
+
 
 #ifdef __cplusplus
 extern "C" {
@@ -74,7 +76,7 @@ _NaN ()
 #if @GNULIB_FREXP@
 # if @REPLACE_FREXP@
 #  define frexp rpl_frexp
-extern double frexp (double x, int *expptr);
+extern double frexp (double x, int *expptr) _GL_ARG_NONNULL ((2));
 # endif
 #elif defined GNULIB_POSIXCHECK
 # undef frexp
@@ -148,7 +150,8 @@ extern long double ceill (long double x);
 #endif
 
 
-#if @GNULIB_MATHL@ || !@HAVE_DECL_COSL@
+#if @GNULIB_MATHL@ || (!@HAVE_DECL_COSL@ && !defined cosl)
+# undef cosl
 extern long double cosl (long double x);
 #endif
 #if !@GNULIB_MATHL@ && defined GNULIB_POSIXCHECK
@@ -210,7 +213,7 @@ extern long double floorl (long double x);
 # define frexpl rpl_frexpl
 #endif
 #if (@GNULIB_FREXPL@ && @REPLACE_FREXPL@) || !@HAVE_DECL_FREXPL@
-extern long double frexpl (long double x, int *expptr);
+extern long double frexpl (long double x, int *expptr) _GL_ARG_NONNULL ((2));
 #endif
 #if !@GNULIB_FREXPL@ && defined GNULIB_POSIXCHECK
 # undef frexpl
@@ -237,7 +240,8 @@ extern long double ldexpl (long double x, int exp);
 #endif
 
 
-#if @GNULIB_MATHL@ || !@HAVE_DECL_LOGL@
+#if @GNULIB_MATHL@ || (!@HAVE_DECL_LOGL@ && !defined logl)
+# undef logl
 extern long double logl (long double x);
 #endif
 #if !@GNULIB_MATHL@ && defined GNULIB_POSIXCHECK
@@ -292,7 +296,8 @@ extern long double roundl (long double x);
 #endif
 
 
-#if @GNULIB_MATHL@ || !@HAVE_DECL_SINL@
+#if @GNULIB_MATHL@ || (!@HAVE_DECL_SINL@ && !defined sinl)
+# undef sinl
 extern long double sinl (long double x);
 #endif
 #if !@GNULIB_MATHL@ && defined GNULIB_POSIXCHECK
@@ -406,7 +411,6 @@ extern int gl_isinfl (long double x);
 # if @HAVE_ISNANF@
 /* The original <math.h> included above provides a declaration of isnan macro
    or (older) isnanf function.  */
-#  include <math.h>
 #  if __GNUC__ >= 4
     /* GCC 4.0 and newer provides three built-ins for isnan.  */
 #   undef isnanf
@@ -429,7 +433,6 @@ extern int isnanf (float x);
    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.  */
-#  include <math.h>
 #  if __GNUC__ >= 4
     /* GCC 4.0 and newer provides three built-ins for isnan.  */
 #   undef isnand
@@ -450,7 +453,6 @@ extern int isnand (double x);
 /* 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.  */
-#  include <math.h>
 #  if __GNUC__ >= 4
     /* GCC 4.0 and newer provides three built-ins for isnan.  */
 #   undef isnanl
@@ -519,30 +521,33 @@ 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 && !defined gl_signbitf
+#    define gl_signbitf_OPTIMIZED_MACRO
 #    define gl_signbitf(arg) \
-       ({ union { float _value;                                                \
+       ({ 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;         \
+                } _m;                                                   \
+          _m._value = (arg);                                            \
+          (_m._word[FLT_SIGNBIT_WORD] >> FLT_SIGNBIT_BIT) & 1;          \
         })
 #   endif
 #   if defined DBL_SIGNBIT_WORD && defined DBL_SIGNBIT_BIT && !defined gl_signbitd
+#    define gl_signbitd_OPTIMIZED_MACRO
 #    define gl_signbitd(arg) \
-       ({ union { double _value;                                               \
+       ({ 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;         \
+                } _m;                                                   \
+          _m._value = (arg);                                            \
+          (_m._word[DBL_SIGNBIT_WORD] >> DBL_SIGNBIT_BIT) & 1;          \
         })
 #   endif
 #   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;                                  \
+       ({ 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;               \
+                } _m;                                                   \
+          _m._value = (arg);                                            \
+          (_m._word[LDBL_SIGNBIT_WORD] >> LDBL_SIGNBIT_BIT) & 1;                \
         })
 #   endif
 #  endif