| /* Copyright (C) 1997-2019 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/>. */ |
| |
| /* |
| * ISO C99: 7.3 Complex arithmetic <complex.h> |
| */ |
| |
| #ifndef _COMPLEX_H |
| #define _COMPLEX_H 1 |
| |
| #define __GLIBC_INTERNAL_STARTING_HEADER_IMPLEMENTATION |
| #include <bits/libc-header-start.h> |
| |
| /* Get general and ISO C99 specific information. */ |
| #include <bits/mathdef.h> |
| |
| /* Gather machine-dependent _FloatN type support. */ |
| #include <bits/floatn.h> |
| |
| __BEGIN_DECLS |
| |
| /* We might need to add support for more compilers here. But since ISO |
| C99 is out hopefully all maintained compilers will soon provide the data |
| types `float complex' and `double complex'. */ |
| #if __GNUC_PREREQ (2, 7) && !__GNUC_PREREQ (2, 97) |
| # define _Complex __complex__ |
| #endif |
| |
| #define complex _Complex |
| |
| /* Narrowest imaginary unit. This depends on the floating-point |
| evaluation method. |
| XXX This probably has to go into a gcc related file. */ |
| #define _Complex_I (__extension__ 1.0iF) |
| |
| /* Another more descriptive name is `I'. |
| XXX Once we have the imaginary support switch this to _Imaginary_I. */ |
| #undef I |
| #define I _Complex_I |
| |
| #if defined __USE_ISOC11 && __GNUC_PREREQ (4, 7) |
| /* Macros to expand into expression of specified complex type. */ |
| # define CMPLX(x, y) __builtin_complex ((double) (x), (double) (y)) |
| # define CMPLXF(x, y) __builtin_complex ((float) (x), (float) (y)) |
| # define CMPLXL(x, y) __builtin_complex ((long double) (x), (long double) (y)) |
| #endif |
| |
| #if __HAVE_FLOAT16 && __GLIBC_USE (IEC_60559_TYPES_EXT) |
| # define CMPLXF16(x, y) __builtin_complex ((_Float16) (x), (_Float16) (y)) |
| #endif |
| |
| #if __HAVE_FLOAT32 && __GLIBC_USE (IEC_60559_TYPES_EXT) |
| # define CMPLXF32(x, y) __builtin_complex ((_Float32) (x), (_Float32) (y)) |
| #endif |
| |
| #if __HAVE_FLOAT64 && __GLIBC_USE (IEC_60559_TYPES_EXT) |
| # define CMPLXF64(x, y) __builtin_complex ((_Float64) (x), (_Float64) (y)) |
| #endif |
| |
| #if __HAVE_FLOAT128 && __GLIBC_USE (IEC_60559_TYPES_EXT) |
| # define CMPLXF128(x, y) __builtin_complex ((_Float128) (x), (_Float128) (y)) |
| #endif |
| |
| #if __HAVE_FLOAT32X && __GLIBC_USE (IEC_60559_TYPES_EXT) |
| # define CMPLXF32X(x, y) __builtin_complex ((_Float32x) (x), (_Float32x) (y)) |
| #endif |
| |
| #if __HAVE_FLOAT64X && __GLIBC_USE (IEC_60559_TYPES_EXT) |
| # define CMPLXF64X(x, y) __builtin_complex ((_Float64x) (x), (_Float64x) (y)) |
| #endif |
| |
| #if __HAVE_FLOAT128X && __GLIBC_USE (IEC_60559_TYPES_EXT) |
| # define CMPLXF128X(x, y) \ |
| __builtin_complex ((_Float128x) (x), (_Float128x) (y)) |
| #endif |
| |
| /* The file <bits/cmathcalls.h> contains the prototypes for all the |
| actual math functions. These macros are used for those prototypes, |
| so we can easily declare each function as both `name' and `__name', |
| and can declare the float versions `namef' and `__namef'. */ |
| |
| #define __MATHCALL(function, args) \ |
| __MATHDECL (_Mdouble_complex_,function, args) |
| #define __MATHDECL(type, function, args) \ |
| __MATHDECL_1(type, function, args); \ |
| __MATHDECL_1(type, __CONCAT(__,function), args) |
| #define __MATHDECL_1(type, function, args) \ |
| extern type __MATH_PRECNAME(function) args __THROW |
| |
| #define _Mdouble_ double |
| #define __MATH_PRECNAME(name) name |
| #include <bits/cmathcalls.h> |
| #undef _Mdouble_ |
| #undef __MATH_PRECNAME |
| |
| /* Now the float versions. */ |
| #define _Mdouble_ float |
| #define __MATH_PRECNAME(name) name##f |
| #include <bits/cmathcalls.h> |
| #undef _Mdouble_ |
| #undef __MATH_PRECNAME |
| |
| /* And the long double versions. It is non-critical to define them |
| here unconditionally since `long double' is required in ISO C99. */ |
| #if !(defined __NO_LONG_DOUBLE_MATH && defined _LIBC) \ |
| || defined __LDBL_COMPAT |
| # ifdef __LDBL_COMPAT |
| # undef __MATHDECL_1 |
| # define __MATHDECL_1(type, function, args) \ |
| extern type __REDIRECT_NTH(__MATH_PRECNAME(function), args, function) |
| # endif |
| |
| # define _Mdouble_ long double |
| # define __MATH_PRECNAME(name) name##l |
| # include <bits/cmathcalls.h> |
| #endif |
| #undef _Mdouble_ |
| #undef __MATH_PRECNAME |
| |
| #if (__HAVE_DISTINCT_FLOAT16 || (__HAVE_FLOAT16 && !defined _LIBC)) \ |
| && __GLIBC_USE (IEC_60559_TYPES_EXT) |
| # undef _Mdouble_complex_ |
| # define _Mdouble_complex_ __CFLOAT16 |
| # define _Mdouble_ _Float16 |
| # define __MATH_PRECNAME(name) name##f16 |
| # include <bits/cmathcalls.h> |
| # undef _Mdouble_ |
| # undef __MATH_PRECNAME |
| # undef _Mdouble_complex_ |
| #endif |
| |
| #if (__HAVE_DISTINCT_FLOAT32 || (__HAVE_FLOAT32 && !defined _LIBC)) \ |
| && __GLIBC_USE (IEC_60559_TYPES_EXT) |
| # undef _Mdouble_complex_ |
| # define _Mdouble_complex_ __CFLOAT32 |
| # define _Mdouble_ _Float32 |
| # define __MATH_PRECNAME(name) name##f32 |
| # include <bits/cmathcalls.h> |
| # undef _Mdouble_ |
| # undef __MATH_PRECNAME |
| # undef _Mdouble_complex_ |
| #endif |
| |
| #if (__HAVE_DISTINCT_FLOAT64 || (__HAVE_FLOAT64 && !defined _LIBC)) \ |
| && __GLIBC_USE (IEC_60559_TYPES_EXT) |
| # undef _Mdouble_complex_ |
| # define _Mdouble_complex_ __CFLOAT64 |
| # define _Mdouble_ _Float64 |
| # define __MATH_PRECNAME(name) name##f64 |
| # include <bits/cmathcalls.h> |
| # undef _Mdouble_ |
| # undef __MATH_PRECNAME |
| # undef _Mdouble_complex_ |
| #endif |
| |
| #if (__HAVE_DISTINCT_FLOAT128 || (__HAVE_FLOAT128 && !defined _LIBC)) \ |
| && __GLIBC_USE (IEC_60559_TYPES_EXT) |
| # undef _Mdouble_complex_ |
| # define _Mdouble_complex_ __CFLOAT128 |
| # define _Mdouble_ _Float128 |
| # define __MATH_PRECNAME(name) name##f128 |
| # include <bits/cmathcalls.h> |
| # undef _Mdouble_ |
| # undef __MATH_PRECNAME |
| # undef _Mdouble_complex_ |
| #endif |
| |
| #if (__HAVE_DISTINCT_FLOAT32X || (__HAVE_FLOAT32X && !defined _LIBC)) \ |
| && __GLIBC_USE (IEC_60559_TYPES_EXT) |
| # undef _Mdouble_complex_ |
| # define _Mdouble_complex_ __CFLOAT32X |
| # define _Mdouble_ _Float32x |
| # define __MATH_PRECNAME(name) name##f32x |
| # include <bits/cmathcalls.h> |
| # undef _Mdouble_ |
| # undef __MATH_PRECNAME |
| # undef _Mdouble_complex_ |
| #endif |
| |
| #if (__HAVE_DISTINCT_FLOAT64X || (__HAVE_FLOAT64X && !defined _LIBC)) \ |
| && __GLIBC_USE (IEC_60559_TYPES_EXT) |
| # undef _Mdouble_complex_ |
| # define _Mdouble_complex_ __CFLOAT64X |
| # define _Mdouble_ _Float64x |
| # define __MATH_PRECNAME(name) name##f64x |
| # include <bits/cmathcalls.h> |
| # undef _Mdouble_ |
| # undef __MATH_PRECNAME |
| # undef _Mdouble_complex_ |
| #endif |
| |
| #if (__HAVE_DISTINCT_FLOAT128X || (__HAVE_FLOAT128X && !defined _LIBC)) \ |
| && __GLIBC_USE (IEC_60559_TYPES_EXT) |
| # undef _Mdouble_complex_ |
| # define _Mdouble_complex_ __CFLOAT128X |
| # define _Mdouble_ _Float128x |
| # define __MATH_PRECNAME(name) name##f128x |
| # include <bits/cmathcalls.h> |
| # undef _Mdouble_ |
| # undef __MATH_PRECNAME |
| # undef _Mdouble_complex_ |
| #endif |
| |
| #undef __MATHDECL_1 |
| #undef __MATHDECL |
| #undef __MATHCALL |
| |
| __END_DECLS |
| |
| #endif /* complex.h */ |
