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Diffstat (limited to 'REORG.TODO/math/bits/mathcalls.h')
| -rw-r--r-- | REORG.TODO/math/bits/mathcalls.h | 403 |
1 files changed, 403 insertions, 0 deletions
diff --git a/REORG.TODO/math/bits/mathcalls.h b/REORG.TODO/math/bits/mathcalls.h new file mode 100644 index 0000000000..90b996740b --- /dev/null +++ b/REORG.TODO/math/bits/mathcalls.h @@ -0,0 +1,403 @@ +/* Prototype declarations for math functions; helper file for <math.h>. + Copyright (C) 1996-2017 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 + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +/* NOTE: Because of the special way this file is used by <math.h>, this + file must NOT be protected from multiple inclusion as header files + usually are. + + This file provides prototype declarations for the math functions. + Most functions are declared using the macro: + + __MATHCALL (NAME,[_r], (ARGS...)); + + This means there is a function `NAME' returning `double' and a function + `NAMEf' returning `float'. Each place `_Mdouble_' appears in the + prototype, that is actually `double' in the prototype for `NAME' and + `float' in the prototype for `NAMEf'. Reentrant variant functions are + called `NAME_r' and `NAMEf_r'. + + Functions returning other types like `int' are declared using the macro: + + __MATHDECL (TYPE, NAME,[_r], (ARGS...)); + + This is just like __MATHCALL but for a function returning `TYPE' + instead of `_Mdouble_'. In all of these cases, there is still + both a `NAME' and a `NAMEf' that takes `float' arguments. + + Note that there must be no whitespace before the argument passed for + NAME, to make token pasting work with -traditional. */ + +#ifndef _MATH_H +# error "Never include <bits/mathcalls.h> directly; include <math.h> instead." +#endif + + +/* Trigonometric functions. */ + +/* Arc cosine of X. */ +__MATHCALL (acos,, (_Mdouble_ __x)); +/* Arc sine of X. */ +__MATHCALL (asin,, (_Mdouble_ __x)); +/* Arc tangent of X. */ +__MATHCALL (atan,, (_Mdouble_ __x)); +/* Arc tangent of Y/X. */ +__MATHCALL (atan2,, (_Mdouble_ __y, _Mdouble_ __x)); + +/* Cosine of X. */ +__MATHCALL_VEC (cos,, (_Mdouble_ __x)); +/* Sine of X. */ +__MATHCALL_VEC (sin,, (_Mdouble_ __x)); +/* Tangent of X. */ +__MATHCALL (tan,, (_Mdouble_ __x)); + +/* Hyperbolic functions. */ + +/* Hyperbolic cosine of X. */ +__MATHCALL (cosh,, (_Mdouble_ __x)); +/* Hyperbolic sine of X. */ +__MATHCALL (sinh,, (_Mdouble_ __x)); +/* Hyperbolic tangent of X. */ +__MATHCALL (tanh,, (_Mdouble_ __x)); + +#ifdef __USE_GNU +/* Cosine and sine of X. */ +__MATHDECL_VEC (void,sincos,, + (_Mdouble_ __x, _Mdouble_ *__sinx, _Mdouble_ *__cosx)); +#endif + +#if defined __USE_XOPEN_EXTENDED || defined __USE_ISOC99 +/* 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)); +#endif + +/* Exponential and logarithmic functions. */ + +/* Exponential function of X. */ +__MATHCALL_VEC (exp,, (_Mdouble_ __x)); + +/* Break VALUE into a normalized fraction and an integral power of 2. */ +__MATHCALL (frexp,, (_Mdouble_ __x, int *__exponent)); + +/* X times (two to the EXP power). */ +__MATHCALL (ldexp,, (_Mdouble_ __x, int __exponent)); + +/* Natural logarithm of X. */ +__MATHCALL_VEC (log,, (_Mdouble_ __x)); + +/* Base-ten logarithm of X. */ +__MATHCALL (log10,, (_Mdouble_ __x)); + +/* Break VALUE into integral and fractional parts. */ +__MATHCALL (modf,, (_Mdouble_ __x, _Mdouble_ *__iptr)) __nonnull ((2)); + +#if __GLIBC_USE (IEC_60559_FUNCS_EXT) +/* Compute exponent to base ten. */ +__MATHCALL (exp10,, (_Mdouble_ __x)); +#endif +#ifdef __USE_GNU +/* Another name occasionally used. */ +# if !__MATH_DECLARING_FLOATN +__MATHCALL (pow10,, (_Mdouble_ __x)); +# endif +#endif + +#if defined __USE_XOPEN_EXTENDED || defined __USE_ISOC99 +/* Return exp(X) - 1. */ +__MATHCALL (expm1,, (_Mdouble_ __x)); + +/* Return log(1 + X). */ +__MATHCALL (log1p,, (_Mdouble_ __x)); + +/* Return the base 2 signed integral exponent of X. */ +__MATHCALL (logb,, (_Mdouble_ __x)); +#endif + +#ifdef __USE_ISOC99 +/* Compute base-2 exponential of X. */ +__MATHCALL (exp2,, (_Mdouble_ __x)); + +/* Compute base-2 logarithm of X. */ +__MATHCALL (log2,, (_Mdouble_ __x)); +#endif + + +/* Power functions. */ + +/* Return X to the Y power. */ +__MATHCALL_VEC (pow,, (_Mdouble_ __x, _Mdouble_ __y)); + +/* Return the square root of X. */ +__MATHCALL (sqrt,, (_Mdouble_ __x)); + +#if defined __USE_XOPEN || defined __USE_ISOC99 +/* Return `sqrt(X*X + Y*Y)'. */ +__MATHCALL (hypot,, (_Mdouble_ __x, _Mdouble_ __y)); +#endif + +#if defined __USE_XOPEN_EXTENDED || defined __USE_ISOC99 +/* Return the cube root of X. */ +__MATHCALL (cbrt,, (_Mdouble_ __x)); +#endif + + +/* Nearest integer, absolute value, and remainder functions. */ + +/* Smallest integral value not less than X. */ +__MATHCALLX (ceil,, (_Mdouble_ __x), (__const__)); + +/* Absolute value of X. */ +__MATHCALLX (fabs,, (_Mdouble_ __x), (__const__)); + +/* Largest integer not greater than X. */ +__MATHCALLX (floor,, (_Mdouble_ __x), (__const__)); + +/* Floating-point modulo remainder of X/Y. */ +__MATHCALL (fmod,, (_Mdouble_ __x, _Mdouble_ __y)); + +#ifdef __USE_MISC +# 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 remainder of X/Y. */ +__MATHCALL (drem,, (_Mdouble_ __x, _Mdouble_ __y)); + + +/* Return the fractional part of X after dividing out `ilogb (X)'. */ +__MATHCALL (significand,, (_Mdouble_ __x)); +# endif + +#endif /* Use misc. */ + +#ifdef __USE_ISOC99 +/* Return X with its signed changed to Y's. */ +__MATHCALLX (copysign,, (_Mdouble_ __x, _Mdouble_ __y), (__const__)); +#endif + +#ifdef __USE_ISOC99 +/* Return representation of qNaN for double type. */ +__MATHCALLX (nan,, (const char *__tagb), (__const__)); +#endif + + +#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. */ \ + && !__MATH_DECLARING_FLOATN +/* Return nonzero if VALUE is not a number. */ +__MATHDECL_1 (int,isnan,, (_Mdouble_ __value)) __attribute__ ((__const__)); +# endif +#endif + +#if defined __USE_MISC || (defined __USE_XOPEN && __MATH_DECLARING_DOUBLE) +/* Bessel functions. */ +__MATHCALL (j0,, (_Mdouble_)); +__MATHCALL (j1,, (_Mdouble_)); +__MATHCALL (jn,, (int, _Mdouble_)); +__MATHCALL (y0,, (_Mdouble_)); +__MATHCALL (y1,, (_Mdouble_)); +__MATHCALL (yn,, (int, _Mdouble_)); +#endif + + +#if defined __USE_XOPEN || defined __USE_ISOC99 +/* Error and gamma functions. */ +__MATHCALL (erf,, (_Mdouble_)); +__MATHCALL (erfc,, (_Mdouble_)); +__MATHCALL (lgamma,, (_Mdouble_)); +#endif + +#ifdef __USE_ISOC99 +/* True gamma function. */ +__MATHCALL (tgamma,, (_Mdouble_)); +#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 +/* Reentrant version of lgamma. This function uses the global variable + `signgam'. The reentrant version instead takes a pointer and stores + the value through it. */ +__MATHCALL (lgamma,_r, (_Mdouble_, int *__signgamp)); +#endif + + +#if defined __USE_XOPEN_EXTENDED || defined __USE_ISOC99 +/* 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 && !__MATH_DECLARING_FLOATN +__MATHCALLX (nexttoward,, (_Mdouble_ __x, long double __y), (__const__)); +# endif + +# if __GLIBC_USE (IEC_60559_BFP_EXT) || __MATH_DECLARING_FLOATN +/* Return X - epsilon. */ +__MATHCALL (nextdown,, (_Mdouble_ __x)); +/* Return X + epsilon. */ +__MATHCALL (nextup,, (_Mdouble_ __x)); +# endif + +/* Return the remainder of integer divison X / Y with infinite precision. */ +__MATHCALL (remainder,, (_Mdouble_ __x, _Mdouble_ __y)); + +# ifdef __USE_ISOC99 +/* Return X times (2 to the Nth power). */ +__MATHCALL (scalbn,, (_Mdouble_ __x, int __n)); +# endif + +/* Return the binary exponent of X, which must be nonzero. */ +__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)); + +/* Round X to integral value in floating-point format using current + rounding direction, but do not raise inexact exception. */ +__MATHCALL (nearbyint,, (_Mdouble_ __x)); + +/* Round X to nearest integral value, rounding halfway cases away from + zero. */ +__MATHCALLX (round,, (_Mdouble_ __x), (__const__)); + +/* Round X to the integral value in floating-point format nearest but + not larger in magnitude. */ +__MATHCALLX (trunc,, (_Mdouble_ __x), (__const__)); + +/* Compute remainder of X and Y and put in *QUO a value with sign of x/y + and magnitude congruent `mod 2^n' to the magnitude of the integral + quotient x/y, with n >= 3. */ +__MATHCALL (remquo,, (_Mdouble_ __x, _Mdouble_ __y, int *__quo)); + + +/* Conversion functions. */ + +/* Round X to nearest integral value according to current rounding + direction. */ +__MATHDECL (long int,lrint,, (_Mdouble_ __x)); +__extension__ +__MATHDECL (long long int,llrint,, (_Mdouble_ __x)); + +/* Round X to nearest integral value, rounding halfway cases away from + zero. */ +__MATHDECL (long int,lround,, (_Mdouble_ __x)); +__extension__ +__MATHDECL (long long int,llround,, (_Mdouble_ __x)); + + +/* Return positive difference between X and Y. */ +__MATHCALL (fdim,, (_Mdouble_ __x, _Mdouble_ __y)); + +/* Return maximum numeric value from X and Y. */ +__MATHCALLX (fmax,, (_Mdouble_ __x, _Mdouble_ __y), (__const__)); + +/* 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. */ + +#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__)); + +/* 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)); + +/* 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)); + +/* 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)); + +/* Return value with maximum magnitude. */ +__MATHCALLX (fmaxmag,, (_Mdouble_ __x, _Mdouble_ __y), (__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)) \ + && !__MATH_DECLARING_FLOATN +/* Return X times (2 to the Nth power). */ +__MATHCALL (scalb,, (_Mdouble_ __x, _Mdouble_ __n)); +#endif |