/* Prototype declarations for math functions; helper file for <math.h>.
- Copyright (C) 1996-2016 Free Software Foundation, Inc.
+ Copyright (C) 1996-2018 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
/* Trigonometric functions. */
-_Mdouble_BEGIN_NAMESPACE
/* Arc cosine of X. */
__MATHCALL (acos,, (_Mdouble_ __x));
/* Arc sine of X. */
__MATHCALL (sinh,, (_Mdouble_ __x));
/* Hyperbolic tangent of X. */
__MATHCALL (tanh,, (_Mdouble_ __x));
-_Mdouble_END_NAMESPACE
#ifdef __USE_GNU
/* Cosine and sine of X. */
#endif
#if defined __USE_XOPEN_EXTENDED || defined __USE_ISOC99
-__BEGIN_NAMESPACE_C99
/* Hyperbolic arc cosine of X. */
__MATHCALL (acosh,, (_Mdouble_ __x));
/* Hyperbolic arc sine of X. */
__MATHCALL (asinh,, (_Mdouble_ __x));
/* Hyperbolic arc tangent of X. */
__MATHCALL (atanh,, (_Mdouble_ __x));
-__END_NAMESPACE_C99
#endif
/* Exponential and logarithmic functions. */
-_Mdouble_BEGIN_NAMESPACE
/* Exponential function of X. */
__MATHCALL_VEC (exp,, (_Mdouble_ __x));
/* Break VALUE into integral and fractional parts. */
__MATHCALL (modf,, (_Mdouble_ __x, _Mdouble_ *__iptr)) __nonnull ((2));
-_Mdouble_END_NAMESPACE
#if __GLIBC_USE (IEC_60559_FUNCS_EXT)
/* Compute exponent to base ten. */
__MATHCALL (exp10,, (_Mdouble_ __x));
#endif
-#ifdef __USE_GNU
-/* Another name occasionally used. */
-__MATHCALL (pow10,, (_Mdouble_ __x));
-#endif
#if defined __USE_XOPEN_EXTENDED || defined __USE_ISOC99
-__BEGIN_NAMESPACE_C99
/* Return exp(X) - 1. */
__MATHCALL (expm1,, (_Mdouble_ __x));
/* Return the base 2 signed integral exponent of X. */
__MATHCALL (logb,, (_Mdouble_ __x));
-__END_NAMESPACE_C99
#endif
#ifdef __USE_ISOC99
-__BEGIN_NAMESPACE_C99
/* Compute base-2 exponential of X. */
__MATHCALL (exp2,, (_Mdouble_ __x));
/* Compute base-2 logarithm of X. */
__MATHCALL (log2,, (_Mdouble_ __x));
-__END_NAMESPACE_C99
#endif
/* Power functions. */
-_Mdouble_BEGIN_NAMESPACE
/* Return X to the Y power. */
__MATHCALL_VEC (pow,, (_Mdouble_ __x, _Mdouble_ __y));
/* Return the square root of X. */
__MATHCALL (sqrt,, (_Mdouble_ __x));
-_Mdouble_END_NAMESPACE
#if defined __USE_XOPEN || defined __USE_ISOC99
-__BEGIN_NAMESPACE_C99
/* Return `sqrt(X*X + Y*Y)'. */
__MATHCALL (hypot,, (_Mdouble_ __x, _Mdouble_ __y));
-__END_NAMESPACE_C99
#endif
#if defined __USE_XOPEN_EXTENDED || defined __USE_ISOC99
-__BEGIN_NAMESPACE_C99
/* Return the cube root of X. */
__MATHCALL (cbrt,, (_Mdouble_ __x));
-__END_NAMESPACE_C99
#endif
/* Nearest integer, absolute value, and remainder functions. */
-_Mdouble_BEGIN_NAMESPACE
/* Smallest integral value not less than X. */
__MATHCALLX (ceil,, (_Mdouble_ __x), (__const__));
/* Floating-point modulo remainder of X/Y. */
__MATHCALL (fmod,, (_Mdouble_ __x, _Mdouble_ __y));
-
-/* Return 0 if VALUE is finite or NaN, +1 if it
- is +Infinity, -1 if it is -Infinity. */
-__MATHDECL_1 (int,__isinf,, (_Mdouble_ __value)) __attribute__ ((__const__));
-
-/* Return nonzero if VALUE is finite and not NaN. */
-__MATHDECL_1 (int,__finite,, (_Mdouble_ __value)) __attribute__ ((__const__));
-_Mdouble_END_NAMESPACE
-
#ifdef __USE_MISC
-# if (!defined __cplusplus \
- || __cplusplus < 201103L /* isinf conflicts with C++11. */ \
- || __MATH_DECLARING_DOUBLE == 0) /* isinff or isinfl don't. */
+# if ((!defined __cplusplus \
+ || __cplusplus < 201103L /* isinf conflicts with C++11. */ \
+ || __MATH_DECLARING_DOUBLE == 0)) /* isinff or isinfl don't. */ \
+ && !__MATH_DECLARING_FLOATN
/* Return 0 if VALUE is finite or NaN, +1 if it
is +Infinity, -1 if it is -Infinity. */
__MATHDECL_1 (int,isinf,, (_Mdouble_ __value)) __attribute__ ((__const__));
# endif
+# if !__MATH_DECLARING_FLOATN
/* Return nonzero if VALUE is finite and not NaN. */
__MATHDECL_1 (int,finite,, (_Mdouble_ __value)) __attribute__ ((__const__));
/* Return the fractional part of X after dividing out `ilogb (X)'. */
__MATHCALL (significand,, (_Mdouble_ __x));
+# endif
+
#endif /* Use misc. */
#ifdef __USE_ISOC99
-__BEGIN_NAMESPACE_C99
/* Return X with its signed changed to Y's. */
__MATHCALLX (copysign,, (_Mdouble_ __x, _Mdouble_ __y), (__const__));
-__END_NAMESPACE_C99
#endif
#ifdef __USE_ISOC99
-__BEGIN_NAMESPACE_C99
/* Return representation of qNaN for double type. */
__MATHCALLX (nan,, (const char *__tagb), (__const__));
-__END_NAMESPACE_C99
#endif
-/* Return nonzero if VALUE is not a number. */
-__MATHDECL_1 (int,__isnan,, (_Mdouble_ __value)) __attribute__ ((__const__));
-
#if defined __USE_MISC || (defined __USE_XOPEN && !defined __USE_XOPEN2K)
-# if (!defined __cplusplus \
- || __cplusplus < 201103L /* isnan conflicts with C++11. */ \
- || __MATH_DECLARING_DOUBLE == 0) /* isnanf or isnanl don't. */
+# if ((!defined __cplusplus \
+ || __cplusplus < 201103L /* isnan conflicts with C++11. */ \
+ || __MATH_DECLARING_DOUBLE == 0)) /* isnanf or isnanl don't. */ \
+ && !__MATH_DECLARING_FLOATN
/* Return nonzero if VALUE is not a number. */
__MATHDECL_1 (int,isnan,, (_Mdouble_ __value)) __attribute__ ((__const__));
# endif
#if defined __USE_XOPEN || defined __USE_ISOC99
-__BEGIN_NAMESPACE_C99
/* Error and gamma functions. */
__MATHCALL (erf,, (_Mdouble_));
__MATHCALL (erfc,, (_Mdouble_));
__MATHCALL (lgamma,, (_Mdouble_));
-__END_NAMESPACE_C99
#endif
#ifdef __USE_ISOC99
-__BEGIN_NAMESPACE_C99
/* True gamma function. */
__MATHCALL (tgamma,, (_Mdouble_));
-__END_NAMESPACE_C99
#endif
#if defined __USE_MISC || (defined __USE_XOPEN && !defined __USE_XOPEN2K)
+# if !__MATH_DECLARING_FLOATN
/* Obsolete alias for `lgamma'. */
__MATHCALL (gamma,, (_Mdouble_));
+# endif
#endif
#ifdef __USE_MISC
#if defined __USE_XOPEN_EXTENDED || defined __USE_ISOC99
-__BEGIN_NAMESPACE_C99
/* Return the integer nearest X in the direction of the
prevailing rounding mode. */
__MATHCALL (rint,, (_Mdouble_ __x));
/* Return X + epsilon if X < Y, X - epsilon if X > Y. */
-__MATHCALLX (nextafter,, (_Mdouble_ __x, _Mdouble_ __y), (__const__));
-# if defined __USE_ISOC99 && !defined __LDBL_COMPAT
-__MATHCALLX (nexttoward,, (_Mdouble_ __x, long double __y), (__const__));
+__MATHCALL (nextafter,, (_Mdouble_ __x, _Mdouble_ __y));
+# if defined __USE_ISOC99 && !defined __LDBL_COMPAT && !__MATH_DECLARING_FLOATN
+__MATHCALL (nexttoward,, (_Mdouble_ __x, long double __y));
# endif
-#if __GLIBC_USE (IEC_60559_BFP_EXT)
+# if __GLIBC_USE (IEC_60559_BFP_EXT) || __MATH_DECLARING_FLOATN
/* Return X - epsilon. */
__MATHCALL (nextdown,, (_Mdouble_ __x));
/* Return X + epsilon. */
__MATHDECL (int,ilogb,, (_Mdouble_ __x));
#endif
+#if __GLIBC_USE (IEC_60559_BFP_EXT) || __MATH_DECLARING_FLOATN
+/* Like ilogb, but returning long int. */
+__MATHDECL (long int, llogb,, (_Mdouble_ __x));
+#endif
+
#ifdef __USE_ISOC99
/* Return X times (2 to the Nth power). */
__MATHCALL (scalbln,, (_Mdouble_ __x, long int __n));
/* Return minimum numeric value from X and Y. */
__MATHCALLX (fmin,, (_Mdouble_ __x, _Mdouble_ __y), (__const__));
+/* Multiply-add function computed as a ternary operation. */
+__MATHCALL (fma,, (_Mdouble_ __x, _Mdouble_ __y, _Mdouble_ __z));
+#endif /* Use ISO C99. */
-/* Classify given number. */
-__MATHDECL_1 (int, __fpclassify,, (_Mdouble_ __value))
- __attribute__ ((__const__));
+#if __GLIBC_USE (IEC_60559_BFP_EXT) || __MATH_DECLARING_FLOATN
+/* Round X to nearest integer value, rounding halfway cases to even. */
+__MATHCALLX (roundeven,, (_Mdouble_ __x), (__const__));
-/* Test for negative number. */
-__MATHDECL_1 (int, __signbit,, (_Mdouble_ __value))
- __attribute__ ((__const__));
+/* Round X to nearest signed integer value, not raising inexact, with
+ control of rounding direction and width of result. */
+__MATHDECL (__intmax_t, fromfp,, (_Mdouble_ __x, int __round,
+ unsigned int __width));
+/* Round X to nearest unsigned integer value, not raising inexact,
+ with control of rounding direction and width of result. */
+__MATHDECL (__uintmax_t, ufromfp,, (_Mdouble_ __x, int __round,
+ unsigned int __width));
-/* Multiply-add function computed as a ternary operation. */
-__MATHCALL (fma,, (_Mdouble_ __x, _Mdouble_ __y, _Mdouble_ __z));
-#endif /* Use ISO C99. */
+/* Round X to nearest signed integer value, raising inexact for
+ non-integers, with control of rounding direction and width of
+ result. */
+__MATHDECL (__intmax_t, fromfpx,, (_Mdouble_ __x, int __round,
+ unsigned int __width));
-#if defined __USE_XOPEN_EXTENDED || defined __USE_ISOC99
-__END_NAMESPACE_C99
-#endif
+/* Round X to nearest unsigned integer value, raising inexact for
+ non-integers, with control of rounding direction and width of
+ result. */
+__MATHDECL (__uintmax_t, ufromfpx,, (_Mdouble_ __x, int __round,
+ unsigned int __width));
-#if __GLIBC_USE (IEC_60559_BFP_EXT)
-/* Test equality. */
-__MATHDECL_1 (int, __iseqsig,, (_Mdouble_ __x, _Mdouble_ __y));
+/* Return value with maximum magnitude. */
+__MATHCALLX (fmaxmag,, (_Mdouble_ __x, _Mdouble_ __y), (__const__));
-/* Test for signaling NaN. */
-__MATHDECL_1 (int, __issignaling,, (_Mdouble_ __value))
- __attribute__ ((__const__));
+/* Return value with minimum magnitude. */
+__MATHCALLX (fminmag,, (_Mdouble_ __x, _Mdouble_ __y), (__const__));
/* Total order operation. */
__MATHDECL_1 (int, totalorder,, (_Mdouble_ __x, _Mdouble_ __y))
__attribute__ ((__const__));
+
+/* Total order operation on absolute values. */
+__MATHDECL_1 (int, totalordermag,, (_Mdouble_ __x, _Mdouble_ __y))
+ __attribute__ ((__const__));
+
+/* Canonicalize floating-point representation. */
+__MATHDECL_1 (int, canonicalize,, (_Mdouble_ *__cx, const _Mdouble_ *__x));
+
+/* Get NaN payload. */
+__MATHCALL (getpayload,, (const _Mdouble_ *__x));
+
+/* Set quiet NaN payload. */
+__MATHDECL_1 (int, setpayload,, (_Mdouble_ *__x, _Mdouble_ __payload));
+
+/* Set signaling NaN payload. */
+__MATHDECL_1 (int, setpayloadsig,, (_Mdouble_ *__x, _Mdouble_ __payload));
#endif
-#if defined __USE_MISC || (defined __USE_XOPEN_EXTENDED \
- && __MATH_DECLARING_DOUBLE \
- && !defined __USE_XOPEN2K8)
+#if (defined __USE_MISC || (defined __USE_XOPEN_EXTENDED \
+ && __MATH_DECLARING_DOUBLE \
+ && !defined __USE_XOPEN2K8)) \
+ && !__MATH_DECLARING_FLOATN
/* Return X times (2 to the Nth power). */
__MATHCALL (scalb,, (_Mdouble_ __x, _Mdouble_ __n));
#endif
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