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authorUlrich Drepper <drepper@redhat.com>1999-09-10 19:43:01 +0000
committerUlrich Drepper <drepper@redhat.com>1999-09-10 19:43:01 +0000
commit6833780818c60b3f3a0a120f711369bb8158a0d5 (patch)
tree4fc7e61a6a38a01c9043fef489571045c814a743 /math
parentec6275c0b7df29a34fd3beb7e29bc44fd63b8585 (diff)
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Update.
1999-09-10 Ulrich Drepper <drepper@cygnus.com> * wcsmbs/wchar.h (WCHAR_MIN, WCHAR_MAX): Use all-numeric values. * sysdeps/generic/stdint.h: Correct WCHAR_MIN, WCHAR_MAX, and WINT_MAX values. * wctype/wctype.h: Remove incorrect towlower/towupper optimizations. 1999-09-09 Andreas Schwab <schwab@suse.de> * elf/link.h: Fix comment. 1999-09-10 Ulrich Drepper <drepper@cygnus.com> * math/bits/mathcalls.h: Add __isnan declaration [PR libc/1294]. * math/math.h: Pretty print.
Diffstat (limited to 'math')
-rw-r--r--math/bits/mathcalls.h3
-rw-r--r--math/math.h52
2 files changed, 29 insertions, 26 deletions
diff --git a/math/bits/mathcalls.h b/math/bits/mathcalls.h
index 7f41ef9..0a4f3ea 100644
--- a/math/bits/mathcalls.h
+++ b/math/bits/mathcalls.h
@@ -210,6 +210,9 @@ __MATHCALLX (nan,, (__const char *__tagb), (__const__));
#endif
+/* Return nonzero if VALUE is not a number. */
+__MATHDECLX (int,__isnan,, (_Mdouble_ __value), (__const__));
+
#if defined __USE_MISC || defined __USE_XOPEN
/* Return nonzero if VALUE is not a number. */
__MATHDECLX (int,isnan,, (_Mdouble_ __value), (__const__));
diff --git a/math/math.h b/math/math.h
index 291fb0e..0e2b4e7 100644
--- a/math/math.h
+++ b/math/math.h
@@ -1,5 +1,5 @@
/* Declarations for math functions.
- Copyright (C) 1991, 92, 93, 95, 96, 97, 98 Free Software Foundation, Inc.
+ Copyright (C) 1991,92,93,95,96,97,98,99 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -166,68 +166,68 @@ enum
};
/* Return number of classification appropriate for X. */
-#ifdef __NO_LONG_DOUBLE_MATH
-# define fpclassify(x) \
+# ifdef __NO_LONG_DOUBLE_MATH
+# define fpclassify(x) \
(sizeof (x) == sizeof (float) ? __fpclassifyf (x) : __fpclassify (x))
-#else
-# define fpclassify(x) \
+# else
+# define fpclassify(x) \
(sizeof (x) == sizeof (float) ? \
__fpclassifyf (x) \
: sizeof (x) == sizeof (double) ? \
__fpclassify (x) : __fpclassifyl (x))
-#endif
+# endif
/* Return nonzero value if sign of X is negative. */
-#ifdef __NO_LONG_DOUBLE_MATH
-# define signbit(x) \
+# ifdef __NO_LONG_DOUBLE_MATH
+# define signbit(x) \
(sizeof (x) == sizeof (float) ? __signbitf (x) : __signbit (x))
-#else
-# define signbit(x) \
+# else
+# define signbit(x) \
(sizeof (x) == sizeof (float) ? \
__signbitf (x) \
: sizeof (x) == sizeof (double) ? \
__signbit (x) : __signbitl (x))
-#endif
+# endif
/* Return nonzero value if X is not +-Inf or NaN. */
-#ifdef __NO_LONG_DOUBLE_MATH
-# define isfinite(x) \
+# ifdef __NO_LONG_DOUBLE_MATH
+# define isfinite(x) \
(sizeof (x) == sizeof (float) ? __finitef (x) : __finite (x))
-#else
-# define isfinite(x) \
+# else
+# define isfinite(x) \
(sizeof (x) == sizeof (float) ? \
__finitef (x) \
: sizeof (x) == sizeof (double) ? \
__finite (x) : __finitel (x))
-#endif
+# endif
/* Return nonzero value if X is neither zero, subnormal, Inf, nor NaN. */
# define isnormal(x) (fpclassify (x) == FP_NORMAL)
/* Return nonzero value if X is a NaN. We could use `fpclassify' but
we already have this functions `__isnan' and it is faster. */
-#ifdef __NO_LONG_DOUBLE_MATH
-# define isnan(x) \
+# ifdef __NO_LONG_DOUBLE_MATH
+# define isnan(x) \
(sizeof (x) == sizeof (float) ? __isnanf (x) : __isnan (x))
-#else
-# define isnan(x) \
+# else
+# define isnan(x) \
(sizeof (x) == sizeof (float) ? \
__isnanf (x) \
: sizeof (x) == sizeof (double) ? \
__isnan (x) : __isnanl (x))
-#endif
+# endif
/* Return nonzero value is X is positive or negative infinity. */
-#ifdef __NO_LONG_DOUBLE_MATH
-# define isinf(x) \
+# ifdef __NO_LONG_DOUBLE_MATH
+# define isinf(x) \
(sizeof (x) == sizeof (float) ? __isinff (x) : __isinf (x))
-#else
-# define isinf(x) \
+# else
+# define isinf(x) \
(sizeof (x) == sizeof (float) ? \
__isinff (x) \
: sizeof (x) == sizeof (double) ? \
__isinf (x) : __isinfl (x))
-#endif
+# endif
#endif /* Use ISO C 9X. */