--- /dev/null
+/* 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 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 */
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