--- /dev/null
+/* Copyright (C) 2002, 2007, 2008, 2009 Free Software Foundation, Inc.
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 3, or (at your option)
+any later version.
+
+GCC 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 General Public License for more details.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+<http://www.gnu.org/licenses/>. */
+
+/*
+ * ISO C Standard: 5.2.4.2.2 Characteristics of floating types <float.h>
+ */
+
+#ifndef _FLOAT_H___
+#define _FLOAT_H___
+
+/* Radix of exponent representation, b. */
+#undef FLT_RADIX
+#define FLT_RADIX __FLT_RADIX__
+
+/* Number of base-FLT_RADIX digits in the significand, p. */
+#undef FLT_MANT_DIG
+#undef DBL_MANT_DIG
+#undef LDBL_MANT_DIG
+#define FLT_MANT_DIG __FLT_MANT_DIG__
+#define DBL_MANT_DIG __DBL_MANT_DIG__
+#define LDBL_MANT_DIG __LDBL_MANT_DIG__
+
+/* Number of decimal digits, q, such that any floating-point number with q
+ decimal digits can be rounded into a floating-point number with p radix b
+ digits and back again without change to the q decimal digits,
+
+ p * log10(b) if b is a power of 10
+ floor((p - 1) * log10(b)) otherwise
+*/
+#undef FLT_DIG
+#undef DBL_DIG
+#undef LDBL_DIG
+#define FLT_DIG __FLT_DIG__
+#define DBL_DIG __DBL_DIG__
+#define LDBL_DIG __LDBL_DIG__
+
+/* Minimum int x such that FLT_RADIX**(x-1) is a normalized float, emin */
+#undef FLT_MIN_EXP
+#undef DBL_MIN_EXP
+#undef LDBL_MIN_EXP
+#define FLT_MIN_EXP __FLT_MIN_EXP__
+#define DBL_MIN_EXP __DBL_MIN_EXP__
+#define LDBL_MIN_EXP __LDBL_MIN_EXP__
+
+/* Minimum negative integer such that 10 raised to that power is in the
+ range of normalized floating-point numbers,
+
+ ceil(log10(b) * (emin - 1))
+*/
+#undef FLT_MIN_10_EXP
+#undef DBL_MIN_10_EXP
+#undef LDBL_MIN_10_EXP
+#define FLT_MIN_10_EXP __FLT_MIN_10_EXP__
+#define DBL_MIN_10_EXP __DBL_MIN_10_EXP__
+#define LDBL_MIN_10_EXP __LDBL_MIN_10_EXP__
+
+/* Maximum int x such that FLT_RADIX**(x-1) is a representable float, emax. */
+#undef FLT_MAX_EXP
+#undef DBL_MAX_EXP
+#undef LDBL_MAX_EXP
+#define FLT_MAX_EXP __FLT_MAX_EXP__
+#define DBL_MAX_EXP __DBL_MAX_EXP__
+#define LDBL_MAX_EXP __LDBL_MAX_EXP__
+
+/* Maximum integer such that 10 raised to that power is in the range of
+ representable finite floating-point numbers,
+
+ floor(log10((1 - b**-p) * b**emax))
+*/
+#undef FLT_MAX_10_EXP
+#undef DBL_MAX_10_EXP
+#undef LDBL_MAX_10_EXP
+#define FLT_MAX_10_EXP __FLT_MAX_10_EXP__
+#define DBL_MAX_10_EXP __DBL_MAX_10_EXP__
+#define LDBL_MAX_10_EXP __LDBL_MAX_10_EXP__
+
+/* Maximum representable finite floating-point number,
+
+ (1 - b**-p) * b**emax
+*/
+#undef FLT_MAX
+#undef DBL_MAX
+#undef LDBL_MAX
+#define FLT_MAX __FLT_MAX__
+#define DBL_MAX __DBL_MAX__
+#define LDBL_MAX __LDBL_MAX__
+
+/* The difference between 1 and the least value greater than 1 that is
+ representable in the given floating point type, b**1-p. */
+#undef FLT_EPSILON
+#undef DBL_EPSILON
+#undef LDBL_EPSILON
+#define FLT_EPSILON __FLT_EPSILON__
+#define DBL_EPSILON __DBL_EPSILON__
+#define LDBL_EPSILON __LDBL_EPSILON__
+
+/* Minimum normalized positive floating-point number, b**(emin - 1). */
+#undef FLT_MIN
+#undef DBL_MIN
+#undef LDBL_MIN
+#define FLT_MIN __FLT_MIN__
+#define DBL_MIN __DBL_MIN__
+#define LDBL_MIN __LDBL_MIN__
+
+/* Addition rounds to 0: zero, 1: nearest, 2: +inf, 3: -inf, -1: unknown. */
+/* ??? This is supposed to change with calls to fesetround in <fenv.h>. */
+#undef FLT_ROUNDS
+#define FLT_ROUNDS 1
+
+#if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
+/* The floating-point expression evaluation method.
+ -1 indeterminate
+ 0 evaluate all operations and constants just to the range and
+ precision of the type
+ 1 evaluate operations and constants of type float and double
+ to the range and precision of the double type, evaluate
+ long double operations and constants to the range and
+ precision of the long double type
+ 2 evaluate all operations and constants to the range and
+ precision of the long double type
+
+ ??? This ought to change with the setting of the fp control word;
+ the value provided by the compiler assumes the widest setting. */
+#undef FLT_EVAL_METHOD
+#define FLT_EVAL_METHOD __FLT_EVAL_METHOD__
+
+/* Number of decimal digits, n, such that any floating-point number in the
+ widest supported floating type with pmax radix b digits can be rounded
+ to a floating-point number with n decimal digits and back again without
+ change to the value,
+
+ pmax * log10(b) if b is a power of 10
+ ceil(1 + pmax * log10(b)) otherwise
+*/
+#undef DECIMAL_DIG
+#define DECIMAL_DIG __DECIMAL_DIG__
+
+#endif /* C99 */
+
+#ifdef __STDC_WANT_DEC_FP__
+/* Draft Technical Report 24732, extension for decimal floating-point
+ arithmetic: Characteristic of decimal floating types <float.h>. */
+
+/* Number of base-FLT_RADIX digits in the significand, p. */
+#undef DEC32_MANT_DIG
+#undef DEC64_MANT_DIG
+#undef DEC128_MANT_DIG
+#define DEC32_MANT_DIG __DEC32_MANT_DIG__
+#define DEC64_MANT_DIG __DEC64_MANT_DIG__
+#define DEC128_MANT_DIG __DEC128_MANT_DIG__
+
+/* Minimum exponent. */
+#undef DEC32_MIN_EXP
+#undef DEC64_MIN_EXP
+#undef DEC128_MIN_EXP
+#define DEC32_MIN_EXP __DEC32_MIN_EXP__
+#define DEC64_MIN_EXP __DEC64_MIN_EXP__
+#define DEC128_MIN_EXP __DEC128_MIN_EXP__
+
+/* Maximum exponent. */
+#undef DEC32_MAX_EXP
+#undef DEC64_MAX_EXP
+#undef DEC128_MAX_EXP
+#define DEC32_MAX_EXP __DEC32_MAX_EXP__
+#define DEC64_MAX_EXP __DEC64_MAX_EXP__
+#define DEC128_MAX_EXP __DEC128_MAX_EXP__
+
+/* Maximum representable finite decimal floating-point number
+ (there are 6, 15, and 33 9s after the decimal points respectively). */
+#undef DEC32_MAX
+#undef DEC64_MAX
+#undef DEC128_MAX
+#define DEC32_MAX __DEC32_MAX__
+#define DEC64_MAX __DEC64_MAX__
+#define DEC128_MAX __DEC128_MAX__
+
+/* The difference between 1 and the least value greater than 1 that is
+ representable in the given floating point type. */
+#undef DEC32_EPSILON
+#undef DEC64_EPSILON
+#undef DEC128_EPSILON
+#define DEC32_EPSILON __DEC32_EPSILON__
+#define DEC64_EPSILON __DEC64_EPSILON__
+#define DEC128_EPSILON __DEC128_EPSILON__
+
+/* Minimum normalized positive floating-point number. */
+#undef DEC32_MIN
+#undef DEC64_MIN
+#undef DEC128_MIN
+#define DEC32_MIN __DEC32_MIN__
+#define DEC64_MIN __DEC64_MIN__
+#define DEC128_MIN __DEC128_MIN__
+
+/* Minimum subnormal positive floating-point number. */
+#undef DEC32_SUBNORMAL_MIN
+#undef DEC64_SUBNORMAL_MIN
+#undef DEC128_SUBNORMAL_MIN
+#define DEC32_SUBNORMAL_MIN __DEC32_SUBNORMAL_MIN__
+#define DEC64_SUBNORMAL_MIN __DEC64_SUBNORMAL_MIN__
+#define DEC128_SUBNORMAL_MIN __DEC128_SUBNORMAL_MIN__
+
+/* The floating-point expression evaluation method.
+ -1 indeterminate
+ 0 evaluate all operations and constants just to the range and
+ precision of the type
+ 1 evaluate operations and constants of type _Decimal32
+ and _Decimal64 to the range and precision of the _Decimal64
+ type, evaluate _Decimal128 operations and constants to the
+ range and precision of the _Decimal128 type;
+ 2 evaluate all operations and constants to the range and
+ precision of the _Decimal128 type. */
+
+#undef DEC_EVAL_METHOD
+#define DEC_EVAL_METHOD __DEC_EVAL_METHOD__
+
+#endif /* __STDC_WANT_DEC_FP__ */
+
+#endif /* _FLOAT_H___ */
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