| /* Copyright (C) 1997, 1998, 1999, 2000 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: 7.3 Complex arithmetic <complex.h> |
| */ |
| |
| #ifndef _COMPLEX_H |
| #define _COMPLEX_H 1 |
| |
| #include <features.h> |
| |
| /* Get general and ISO C99 specific information. */ |
| #include <bits/mathdef.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 |
| |
| /* 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. */ |
| #ifndef _Mfloat_ |
| # define _Mfloat_ float |
| #endif |
| #define _Mdouble_ _Mfloat_ |
| #ifdef __STDC__ |
| # define __MATH_PRECNAME(name) name##f |
| #else |
| # define __MATH_PRECNAME(name) name/**/f |
| #endif |
| #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 __STDC__ - 0 || __GNUC__ - 0 && defined __UCLIBC_HAS_LONG_DOUBLE_MATH__ |
| # ifndef _Mlong_double_ |
| # define _Mlong_double_ long double |
| # endif |
| # define _Mdouble_ _Mlong_double_ |
| # ifdef __STDC__ |
| # define __MATH_PRECNAME(name) name##l |
| # else |
| # define __MATH_PRECNAME(name) name/**/l |
| # endif |
| # include <bits/cmathcalls.h> |
| #endif |
| #undef _Mdouble_ |
| #undef __MATH_PRECNAME |
| #undef __MATHDECL_1 |
| #undef __MATHDECL |
| #undef __MATHCALL |
| |
| __END_DECLS |
| |
| #endif /* complex.h */ |