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Diffstat (limited to 'sysroot/usr/include/tgmath.h')
| -rw-r--r-- | sysroot/usr/include/tgmath.h | 449 |
1 files changed, 449 insertions, 0 deletions
diff --git a/sysroot/usr/include/tgmath.h b/sysroot/usr/include/tgmath.h new file mode 100644 index 0000000..4f45aaa --- /dev/null +++ b/sysroot/usr/include/tgmath.h @@ -0,0 +1,449 @@ +/* Copyright (C) 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005, 2007 + 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +/* + * ISO C99 Standard: 7.22 Type-generic math <tgmath.h> + */ + +#ifndef _TGMATH_H +#define _TGMATH_H 1 + +/* Include the needed headers. */ +#include <math.h> +#include <complex.h> + + +/* Since `complex' is currently not really implemented in most C compilers + and if it is implemented, the implementations differ. This makes it + quite difficult to write a generic implementation of this header. We + do not try this for now and instead concentrate only on GNU CC. Once + we have more information support for other compilers might follow. */ + +#if __GNUC_PREREQ (2, 7) + +# ifdef __NO_LONG_DOUBLE_MATH +# define __tgml(fct) fct +# else +# define __tgml(fct) fct ## l +# endif + +/* This is ugly but unless gcc gets appropriate builtins we have to do + something like this. Don't ask how it works. */ + +/* 1 if 'type' is a floating type, 0 if 'type' is an integer type. + Allows for _Bool. Expands to an integer constant expression. */ +# define __floating_type(type) (((type) 0.25) && ((type) 0.25 - 1)) + +/* The tgmath real type for T, where E is 0 if T is an integer type and + 1 for a floating type. */ +# define __tgmath_real_type_sub(T, E) \ + __typeof__ (*(0 ? (__typeof__ (0 ? (double *) 0 : (void *) (E))) 0 \ + : (__typeof__ (0 ? (T *) 0 : (void *) (!(E)))) 0)) + +/* The tgmath real type of EXPR. */ +# define __tgmath_real_type(expr) \ + __tgmath_real_type_sub (__typeof__ ((__typeof__ (expr)) 0), \ + __floating_type (__typeof__ (expr))) + + +/* We have two kinds of generic macros: to support functions which are + only defined on real valued parameters and those which are defined + for complex functions as well. */ +# define __TGMATH_UNARY_REAL_ONLY(Val, Fct) \ + (__extension__ ((sizeof (Val) == sizeof (double) \ + || __builtin_classify_type (Val) != 8) \ + ? (__tgmath_real_type (Val)) Fct (Val) \ + : (sizeof (Val) == sizeof (float)) \ + ? (__tgmath_real_type (Val)) Fct##f (Val) \ + : (__tgmath_real_type (Val)) __tgml(Fct) (Val))) + +# define __TGMATH_UNARY_REAL_RET_ONLY(Val, RetType, Fct) \ + (__extension__ ((sizeof (Val) == sizeof (double) \ + || __builtin_classify_type (Val) != 8) \ + ? (RetType) Fct (Val) \ + : (sizeof (Val) == sizeof (float)) \ + ? (RetType) Fct##f (Val) \ + : (RetType) __tgml(Fct) (Val))) + +# define __TGMATH_BINARY_FIRST_REAL_ONLY(Val1, Val2, Fct) \ + (__extension__ ((sizeof (Val1) == sizeof (double) \ + || __builtin_classify_type (Val1) != 8) \ + ? (__tgmath_real_type (Val1)) Fct (Val1, Val2) \ + : (sizeof (Val1) == sizeof (float)) \ + ? (__tgmath_real_type (Val1)) Fct##f (Val1, Val2) \ + : (__tgmath_real_type (Val1)) __tgml(Fct) (Val1, Val2))) + +# define __TGMATH_BINARY_REAL_ONLY(Val1, Val2, Fct) \ + (__extension__ (((sizeof (Val1) > sizeof (double) \ + || sizeof (Val2) > sizeof (double)) \ + && __builtin_classify_type ((Val1) + (Val2)) == 8) \ + ? (__typeof ((__tgmath_real_type (Val1)) 0 \ + + (__tgmath_real_type (Val2)) 0)) \ + __tgml(Fct) (Val1, Val2) \ + : (sizeof (Val1) == sizeof (double) \ + || sizeof (Val2) == sizeof (double) \ + || __builtin_classify_type (Val1) != 8 \ + || __builtin_classify_type (Val2) != 8) \ + ? (__typeof ((__tgmath_real_type (Val1)) 0 \ + + (__tgmath_real_type (Val2)) 0)) \ + Fct (Val1, Val2) \ + : (__typeof ((__tgmath_real_type (Val1)) 0 \ + + (__tgmath_real_type (Val2)) 0)) \ + Fct##f (Val1, Val2))) + +# define __TGMATH_TERNARY_FIRST_SECOND_REAL_ONLY(Val1, Val2, Val3, Fct) \ + (__extension__ (((sizeof (Val1) > sizeof (double) \ + || sizeof (Val2) > sizeof (double)) \ + && __builtin_classify_type ((Val1) + (Val2)) == 8) \ + ? (__typeof ((__tgmath_real_type (Val1)) 0 \ + + (__tgmath_real_type (Val2)) 0)) \ + __tgml(Fct) (Val1, Val2, Val3) \ + : (sizeof (Val1) == sizeof (double) \ + || sizeof (Val2) == sizeof (double) \ + || __builtin_classify_type (Val1) != 8 \ + || __builtin_classify_type (Val2) != 8) \ + ? (__typeof ((__tgmath_real_type (Val1)) 0 \ + + (__tgmath_real_type (Val2)) 0)) \ + Fct (Val1, Val2, Val3) \ + : (__typeof ((__tgmath_real_type (Val1)) 0 \ + + (__tgmath_real_type (Val2)) 0)) \ + Fct##f (Val1, Val2, Val3))) + +# define __TGMATH_TERNARY_REAL_ONLY(Val1, Val2, Val3, Fct) \ + (__extension__ (((sizeof (Val1) > sizeof (double) \ + || sizeof (Val2) > sizeof (double) \ + || sizeof (Val3) > sizeof (double)) \ + && __builtin_classify_type ((Val1) + (Val2) + (Val3)) \ + == 8) \ + ? (__typeof ((__tgmath_real_type (Val1)) 0 \ + + (__tgmath_real_type (Val2)) 0 \ + + (__tgmath_real_type (Val3)) 0)) \ + __tgml(Fct) (Val1, Val2, Val3) \ + : (sizeof (Val1) == sizeof (double) \ + || sizeof (Val2) == sizeof (double) \ + || sizeof (Val3) == sizeof (double) \ + || __builtin_classify_type (Val1) != 8 \ + || __builtin_classify_type (Val2) != 8 \ + || __builtin_classify_type (Val3) != 8) \ + ? (__typeof ((__tgmath_real_type (Val1)) 0 \ + + (__tgmath_real_type (Val2)) 0 \ + + (__tgmath_real_type (Val3)) 0)) \ + Fct (Val1, Val2, Val3) \ + : (__typeof ((__tgmath_real_type (Val1)) 0 \ + + (__tgmath_real_type (Val2)) 0 \ + + (__tgmath_real_type (Val3)) 0)) \ + Fct##f (Val1, Val2, Val3))) + +/* XXX This definition has to be changed as soon as the compiler understands + the imaginary keyword. */ +# define __TGMATH_UNARY_REAL_IMAG(Val, Fct, Cfct) \ + (__extension__ ((sizeof (__real__ (Val)) == sizeof (double) \ + || __builtin_classify_type (__real__ (Val)) != 8) \ + ? ((sizeof (__real__ (Val)) == sizeof (Val)) \ + ? (__tgmath_real_type (Val)) Fct (Val) \ + : (__tgmath_real_type (Val)) Cfct (Val)) \ + : (sizeof (__real__ (Val)) == sizeof (float)) \ + ? ((sizeof (__real__ (Val)) == sizeof (Val)) \ + ? (__tgmath_real_type (Val)) Fct##f (Val) \ + : (__tgmath_real_type (Val)) Cfct##f (Val)) \ + : ((sizeof (__real__ (Val)) == sizeof (Val)) \ + ? (__tgmath_real_type (Val)) __tgml(Fct) (Val) \ + : (__tgmath_real_type (Val)) __tgml(Cfct) (Val)))) + +# define __TGMATH_UNARY_IMAG(Val, Cfct) \ + (__extension__ ((sizeof (__real__ (Val)) == sizeof (double) \ + || __builtin_classify_type (__real__ (Val)) != 8) \ + ? (__typeof__ ((__tgmath_real_type (Val)) 0 \ + + _Complex_I)) Cfct (Val) \ + : (sizeof (__real__ (Val)) == sizeof (float)) \ + ? (__typeof__ ((__tgmath_real_type (Val)) 0 \ + + _Complex_I)) Cfct##f (Val) \ + : (__typeof__ ((__tgmath_real_type (Val)) 0 \ + + _Complex_I)) __tgml(Cfct) (Val))) + +/* XXX This definition has to be changed as soon as the compiler understands + the imaginary keyword. */ +# define __TGMATH_UNARY_REAL_IMAG_RET_REAL(Val, Fct, Cfct) \ + (__extension__ ((sizeof (__real__ (Val)) == sizeof (double) \ + || __builtin_classify_type (__real__ (Val)) != 8) \ + ? ((sizeof (__real__ (Val)) == sizeof (Val)) \ + ? (__typeof__ (__real__ (__tgmath_real_type (Val)) 0))\ + Fct (Val) \ + : (__typeof__ (__real__ (__tgmath_real_type (Val)) 0))\ + Cfct (Val)) \ + : (sizeof (__real__ (Val)) == sizeof (float)) \ + ? ((sizeof (__real__ (Val)) == sizeof (Val)) \ + ? (__typeof__ (__real__ (__tgmath_real_type (Val)) 0))\ + Fct##f (Val) \ + : (__typeof__ (__real__ (__tgmath_real_type (Val)) 0))\ + Cfct##f (Val)) \ + : ((sizeof (__real__ (Val)) == sizeof (Val)) \ + ? (__typeof__ (__real__ (__tgmath_real_type (Val)) 0))\ + __tgml(Fct) (Val) \ + : (__typeof__ (__real__ (__tgmath_real_type (Val)) 0))\ + __tgml(Cfct) (Val)))) + +/* XXX This definition has to be changed as soon as the compiler understands + the imaginary keyword. */ +# define __TGMATH_BINARY_REAL_IMAG(Val1, Val2, Fct, Cfct) \ + (__extension__ (((sizeof (__real__ (Val1)) > sizeof (double) \ + || sizeof (__real__ (Val2)) > sizeof (double)) \ + && __builtin_classify_type (__real__ (Val1) \ + + __real__ (Val2)) == 8) \ + ? ((sizeof (__real__ (Val1)) == sizeof (Val1) \ + && sizeof (__real__ (Val2)) == sizeof (Val2)) \ + ? (__typeof ((__tgmath_real_type (Val1)) 0 \ + + (__tgmath_real_type (Val2)) 0)) \ + __tgml(Fct) (Val1, Val2) \ + : (__typeof ((__tgmath_real_type (Val1)) 0 \ + + (__tgmath_real_type (Val2)) 0)) \ + __tgml(Cfct) (Val1, Val2)) \ + : (sizeof (__real__ (Val1)) == sizeof (double) \ + || sizeof (__real__ (Val2)) == sizeof (double) \ + || __builtin_classify_type (__real__ (Val1)) != 8 \ + || __builtin_classify_type (__real__ (Val2)) != 8) \ + ? ((sizeof (__real__ (Val1)) == sizeof (Val1) \ + && sizeof (__real__ (Val2)) == sizeof (Val2)) \ + ? (__typeof ((__tgmath_real_type (Val1)) 0 \ + + (__tgmath_real_type (Val2)) 0)) \ + Fct (Val1, Val2) \ + : (__typeof ((__tgmath_real_type (Val1)) 0 \ + + (__tgmath_real_type (Val2)) 0)) \ + Cfct (Val1, Val2)) \ + : ((sizeof (__real__ (Val1)) == sizeof (Val1) \ + && sizeof (__real__ (Val2)) == sizeof (Val2)) \ + ? (__typeof ((__tgmath_real_type (Val1)) 0 \ + + (__tgmath_real_type (Val2)) 0)) \ + Fct##f (Val1, Val2) \ + : (__typeof ((__tgmath_real_type (Val1)) 0 \ + + (__tgmath_real_type (Val2)) 0)) \ + Cfct##f (Val1, Val2)))) +#else +# error "Unsupported compiler; you cannot use <tgmath.h>" +#endif + + +/* Unary functions defined for real and complex values. */ + + +/* Trigonometric functions. */ + +/* Arc cosine of X. */ +#define acos(Val) __TGMATH_UNARY_REAL_IMAG (Val, acos, cacos) +/* Arc sine of X. */ +#define asin(Val) __TGMATH_UNARY_REAL_IMAG (Val, asin, casin) +/* Arc tangent of X. */ +#define atan(Val) __TGMATH_UNARY_REAL_IMAG (Val, atan, catan) +/* Arc tangent of Y/X. */ +#define atan2(Val1, Val2) __TGMATH_BINARY_REAL_ONLY (Val1, Val2, atan2) + +/* Cosine of X. */ +#define cos(Val) __TGMATH_UNARY_REAL_IMAG (Val, cos, ccos) +/* Sine of X. */ +#define sin(Val) __TGMATH_UNARY_REAL_IMAG (Val, sin, csin) +/* Tangent of X. */ +#define tan(Val) __TGMATH_UNARY_REAL_IMAG (Val, tan, ctan) + + +/* Hyperbolic functions. */ + +/* Hyperbolic arc cosine of X. */ +#define acosh(Val) __TGMATH_UNARY_REAL_IMAG (Val, acosh, cacosh) +/* Hyperbolic arc sine of X. */ +#define asinh(Val) __TGMATH_UNARY_REAL_IMAG (Val, asinh, casinh) +/* Hyperbolic arc tangent of X. */ +#define atanh(Val) __TGMATH_UNARY_REAL_IMAG (Val, atanh, catanh) + +/* Hyperbolic cosine of X. */ +#define cosh(Val) __TGMATH_UNARY_REAL_IMAG (Val, cosh, ccosh) +/* Hyperbolic sine of X. */ +#define sinh(Val) __TGMATH_UNARY_REAL_IMAG (Val, sinh, csinh) +/* Hyperbolic tangent of X. */ +#define tanh(Val) __TGMATH_UNARY_REAL_IMAG (Val, tanh, ctanh) + + +/* Exponential and logarithmic functions. */ + +/* Exponential function of X. */ +#define exp(Val) __TGMATH_UNARY_REAL_IMAG (Val, exp, cexp) + +/* Break VALUE into a normalized fraction and an integral power of 2. */ +#define frexp(Val1, Val2) __TGMATH_BINARY_FIRST_REAL_ONLY (Val1, Val2, frexp) + +/* X times (two to the EXP power). */ +#define ldexp(Val1, Val2) __TGMATH_BINARY_FIRST_REAL_ONLY (Val1, Val2, ldexp) + +/* Natural logarithm of X. */ +#define log(Val) __TGMATH_UNARY_REAL_IMAG (Val, log, clog) + +/* Base-ten logarithm of X. */ +#ifdef __USE_GNU +# define log10(Val) __TGMATH_UNARY_REAL_IMAG (Val, log10, __clog10) +#else +# define log10(Val) __TGMATH_UNARY_REAL_ONLY (Val, log10) +#endif + +/* Return exp(X) - 1. */ +#define expm1(Val) __TGMATH_UNARY_REAL_ONLY (Val, expm1) + +/* Return log(1 + X). */ +#define log1p(Val) __TGMATH_UNARY_REAL_ONLY (Val, log1p) + +/* Return the base 2 signed integral exponent of X. */ +#define logb(Val) __TGMATH_UNARY_REAL_ONLY (Val, logb) + +/* Compute base-2 exponential of X. */ +#define exp2(Val) __TGMATH_UNARY_REAL_ONLY (Val, exp2) + +/* Compute base-2 logarithm of X. */ +#define log2(Val) __TGMATH_UNARY_REAL_ONLY (Val, log2) + + +/* Power functions. */ + +/* Return X to the Y power. */ +#define pow(Val1, Val2) __TGMATH_BINARY_REAL_IMAG (Val1, Val2, pow, cpow) + +/* Return the square root of X. */ +#define sqrt(Val) __TGMATH_UNARY_REAL_IMAG (Val, sqrt, csqrt) + +/* Return `sqrt(X*X + Y*Y)'. */ +#define hypot(Val1, Val2) __TGMATH_BINARY_REAL_ONLY (Val1, Val2, hypot) + +/* Return the cube root of X. */ +#define cbrt(Val) __TGMATH_UNARY_REAL_ONLY (Val, cbrt) + + +/* Nearest integer, absolute value, and remainder functions. */ + +/* Smallest integral value not less than X. */ +#define ceil(Val) __TGMATH_UNARY_REAL_ONLY (Val, ceil) + +/* Absolute value of X. */ +#define fabs(Val) __TGMATH_UNARY_REAL_IMAG_RET_REAL (Val, fabs, cabs) + +/* Largest integer not greater than X. */ +#define floor(Val) __TGMATH_UNARY_REAL_ONLY (Val, floor) + +/* Floating-point modulo remainder of X/Y. */ +#define fmod(Val1, Val2) __TGMATH_BINARY_REAL_ONLY (Val1, Val2, fmod) + +/* Round X to integral valuein floating-point format using current + rounding direction, but do not raise inexact exception. */ +#define nearbyint(Val) __TGMATH_UNARY_REAL_ONLY (Val, nearbyint) + +/* Round X to nearest integral value, rounding halfway cases away from + zero. */ +#define round(Val) __TGMATH_UNARY_REAL_ONLY (Val, round) + +/* Round X to the integral value in floating-point format nearest but + not larger in magnitude. */ +#define trunc(Val) __TGMATH_UNARY_REAL_ONLY (Val, trunc) + +/* 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. */ +#define remquo(Val1, Val2, Val3) \ + __TGMATH_TERNARY_FIRST_SECOND_REAL_ONLY (Val1, Val2, Val3, remquo) + +/* Round X to nearest integral value according to current rounding + direction. */ +#define lrint(Val) __TGMATH_UNARY_REAL_RET_ONLY (Val, long int, lrint) +#define llrint(Val) __TGMATH_UNARY_REAL_RET_ONLY (Val, long long int, llrint) + +/* Round X to nearest integral value, rounding halfway cases away from + zero. */ +#define lround(Val) __TGMATH_UNARY_REAL_RET_ONLY (Val, long int, lround) +#define llround(Val) __TGMATH_UNARY_REAL_RET_ONLY (Val, long long int, llround) + + +/* Return X with its signed changed to Y's. */ +#define copysign(Val1, Val2) __TGMATH_BINARY_REAL_ONLY (Val1, Val2, copysign) + +/* Error and gamma functions. */ +#define erf(Val) __TGMATH_UNARY_REAL_ONLY (Val, erf) +#define erfc(Val) __TGMATH_UNARY_REAL_ONLY (Val, erfc) +#define tgamma(Val) __TGMATH_UNARY_REAL_ONLY (Val, tgamma) +#define lgamma(Val) __TGMATH_UNARY_REAL_ONLY (Val, lgamma) + + +/* Return the integer nearest X in the direction of the + prevailing rounding mode. */ +#define rint(Val) __TGMATH_UNARY_REAL_ONLY (Val, rint) + +/* Return X + epsilon if X < Y, X - epsilon if X > Y. */ +#define nextafter(Val1, Val2) __TGMATH_BINARY_REAL_ONLY (Val1, Val2, nextafter) +#define nexttoward(Val1, Val2) \ + __TGMATH_BINARY_FIRST_REAL_ONLY (Val1, Val2, nexttoward) + +/* Return the remainder of integer divison X / Y with infinite precision. */ +#define remainder(Val1, Val2) __TGMATH_BINARY_REAL_ONLY (Val1, Val2, remainder) + +/* Return X times (2 to the Nth power). */ +#if defined __USE_MISC || defined __USE_XOPEN_EXTENDED +# define scalb(Val1, Val2) __TGMATH_BINARY_REAL_ONLY (Val1, Val2, scalb) +#endif + +/* Return X times (2 to the Nth power). */ +#define scalbn(Val1, Val2) __TGMATH_BINARY_FIRST_REAL_ONLY (Val1, Val2, scalbn) + +/* Return X times (2 to the Nth power). */ +#define scalbln(Val1, Val2) \ + __TGMATH_BINARY_FIRST_REAL_ONLY (Val1, Val2, scalbln) + +/* Return the binary exponent of X, which must be nonzero. */ +#define ilogb(Val) __TGMATH_UNARY_REAL_RET_ONLY (Val, int, ilogb) + + +/* Return positive difference between X and Y. */ +#define fdim(Val1, Val2) __TGMATH_BINARY_REAL_ONLY (Val1, Val2, fdim) + +/* Return maximum numeric value from X and Y. */ +#define fmax(Val1, Val2) __TGMATH_BINARY_REAL_ONLY (Val1, Val2, fmax) + +/* Return minimum numeric value from X and Y. */ +#define fmin(Val1, Val2) __TGMATH_BINARY_REAL_ONLY (Val1, Val2, fmin) + + +/* Multiply-add function computed as a ternary operation. */ +#define fma(Val1, Val2, Val3) \ + __TGMATH_TERNARY_REAL_ONLY (Val1, Val2, Val3, fma) + + +/* Absolute value, conjugates, and projection. */ + +/* Argument value of Z. */ +#define carg(Val) __TGMATH_UNARY_REAL_IMAG_RET_REAL (Val, carg, carg) + +/* Complex conjugate of Z. */ +#define conj(Val) __TGMATH_UNARY_IMAG (Val, conj) + +/* Projection of Z onto the Riemann sphere. */ +#define cproj(Val) __TGMATH_UNARY_IMAG (Val, cproj) + + +/* Decomposing complex values. */ + +/* Imaginary part of Z. */ +#define cimag(Val) __TGMATH_UNARY_REAL_IMAG_RET_REAL (Val, cimag, cimag) + +/* Real part of Z. */ +#define creal(Val) __TGMATH_UNARY_REAL_IMAG_RET_REAL (Val, creal, creal) + +#endif /* tgmath.h */ |