* config/arc/arc.h (LIB_SPEC): Define.

[pf3gnuchains/gcc-fork.git] / gcc / ginclude / float.h

diff --git a/gcc/ginclude/float.h b/gcc/ginclude/float.h
index 75fcd54..5c472c5 100644 (file)
--- a/gcc/ginclude/float.h
+++ b/gcc/ginclude/float.h
@@ -1,10 +1,10 @@
-/* Copyright (C) 2002 Free Software Foundation, Inc.
+/* 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
 
 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 2, or (at your option)
+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,
 any later version.
 
 GCC is distributed in the hope that it will be useful,


@@ -12,17 +12,14 @@ 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.
 
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.
 

-You should have received a copy of the GNU General Public License
-along with GCC; see the file COPYING.  If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA.  */
+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.

 
 

-/* As a special exception, if you include this header file into source
-   files compiled by GCC, this header file does not by itself cause
-   the resulting executable to be covered by the GNU General Public
-   License.  This exception does not however invalidate any other
-   reasons why the executable file might be covered by the GNU General
-   Public License.  */
+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>
 
 /*
  * ISO C Standard:  5.2.4.2.2  Characteristics of floating types <float.h>


@@ -159,4 +156,122 @@ Boston, MA 02111-1307, USA.  */
 #define DECIMAL_DIG    __DECIMAL_DIG__
 
 #endif /* C99 */
 #define DECIMAL_DIG    __DECIMAL_DIG__
 
 #endif /* C99 */

+
+#if defined (__STDC_VERSION__) && __STDC_VERSION__ > 199901L
+/* Versions of DECIMAL_DIG for each floating-point type.  */
+#undef FLT_DECIMAL_DIG
+#undef DBL_DECIMAL_DIG
+#undef LDBL_DECIMAL_DIG
+#define FLT_DECIMAL_DIG                __FLT_DECIMAL_DIG__
+#define DBL_DECIMAL_DIG                __DBL_DECIMAL_DIG__
+#define LDBL_DECIMAL_DIG       __DECIMAL_DIG__
+
+/* Whether types support subnormal numbers.  */
+#undef FLT_HAS_SUBNORM
+#undef DBL_HAS_SUBNORM
+#undef LDBL_HAS_SUBNORM
+#define FLT_HAS_SUBNORM                __FLT_HAS_DENORM__
+#define DBL_HAS_SUBNORM                __DBL_HAS_DENORM__
+#define LDBL_HAS_SUBNORM       __LDBL_HAS_DENORM__
+
+/* Minimum positive values, including subnormals.  */
+#undef FLT_TRUE_MIN
+#undef DBL_TRUE_MIN
+#undef LDBL_TRUE_MIN
+#if __FLT_HAS_DENORM__
+#define FLT_TRUE_MIN   __FLT_DENORM_MIN__
+#else
+#define FLT_TRUE_MIN   __FLT_MIN__
+#endif
+#if __DBL_HAS_DENORM__
+#define DBL_TRUE_MIN   __DBL_DENORM_MIN__
+#else
+#define DBL_TRUE_MIN   __DBL_MIN__
+#endif
+#if __LDBL_HAS_DENORM__
+#define LDBL_TRUE_MIN  __LDBL_DENORM_MIN__
+#else
+#define LDBL_TRUE_MIN  __LDBL_MIN__
+#endif
+
+#endif /* C1X */
+
+#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___ */
 #endif /* _FLOAT_H___ */