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This commit is contained in:
Ulrich Drepper 1999-09-10 19:18:27 +00:00
parent e58594caf8
commit 5e99c6ce8b
1 changed files with 26 additions and 26 deletions
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52
math/math.h
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@ -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. */