-/* Copyright (C) 2002, 2007 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
-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,
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, 51 Franklin Street, Fifth Floor,
-Boston, MA 02110-1301, 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>
#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>. */
#define DEC64_MIN __DEC64_MIN__
#define DEC128_MIN __DEC128_MIN__
-/* Minimum denormalized positive floating-point number. */
-#undef DEC32_DEN
-#undef DEC64_DEN
-#undef DEC128_DEN
-#define DEC32_DEN __DEC32_DEN__
-#define DEC64_DEN __DEC64_DEN__
-#define DEC128_DEN __DEC128_DEN__
+/* 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
OSDN Git Service
