-/* Copyright (C) 1997, 1998, 1999 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2018 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
- modify it under the terms of the GNU Library General Public License as
- published by the Free Software Foundation; either version 2 of the
- License, or (at your option) any later version.
+ 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
- Library General Public License for more details.
+ Lesser General Public License for more details.
- You should have received a copy of the GNU Library General Public
- License along with the GNU C Library; see the file COPYING.LIB. If not,
- write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ 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: 7.8 Complex arithmetic <complex.h>
+ * ISO C99: 7.3 Complex arithmetic <complex.h>
*/
#ifndef _COMPLEX_H
#define _COMPLEX_H 1
-#include <features.h>
+#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)
+#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 (1.0iF)
+#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',
#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
+#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 __STDC__ - 0 || __GNUC__ - 0 && !defined __NO_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
+#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
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