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comparison gcc/ginclude/float.h @ 63:b7f97abdc517 gcc-4.6-20100522

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update gcc from gcc-4.5.0 to gcc-4.6
author ryoma <e075725@ie.u-ryukyu.ac.jp>
date Mon, 24 May 2010 12:47:05 +0900
parents a06113de4d67
children f6334be47118
comparison
equal deleted inserted replaced
56:3c8a44c06a95 63:b7f97abdc517
155 #undef DECIMAL_DIG 155 #undef DECIMAL_DIG
156 #define DECIMAL_DIG __DECIMAL_DIG__ 156 #define DECIMAL_DIG __DECIMAL_DIG__
157 157
158 #endif /* C99 */ 158 #endif /* C99 */
159 159
160 #if defined (__STDC_VERSION__) && __STDC_VERSION__ > 199901L
161 /* Versions of DECIMAL_DIG for each floating-point type. */
162 #undef FLT_DECIMAL_DIG
163 #undef DBL_DECIMAL_DIG
164 #undef LDBL_DECIMAL_DIG
165 #define FLT_DECIMAL_DIG __FLT_DECIMAL_DIG__
166 #define DBL_DECIMAL_DIG __DBL_DECIMAL_DIG__
167 #define LDBL_DECIMAL_DIG __DECIMAL_DIG__
168
169 /* Whether types support subnormal numbers. */
170 #undef FLT_HAS_SUBNORM
171 #undef DBL_HAS_SUBNORM
172 #undef LDBL_HAS_SUBNORM
173 #define FLT_HAS_SUBNORM __FLT_HAS_DENORM__
174 #define DBL_HAS_SUBNORM __DBL_HAS_DENORM__
175 #define LDBL_HAS_SUBNORM __LDBL_HAS_DENORM__
176
177 /* Minimum positive values, including subnormals. */
178 #undef FLT_TRUE_MIN
179 #undef DBL_TRUE_MIN
180 #undef LDBL_TRUE_MIN
181 #if __FLT_HAS_DENORM__
182 #define FLT_TRUE_MIN __FLT_DENORM_MIN__
183 #else
184 #define FLT_TRUE_MIN __FLT_MIN__
185 #endif
186 #if __DBL_HAS_DENORM__
187 #define DBL_TRUE_MIN __DBL_DENORM_MIN__
188 #else
189 #define DBL_TRUE_MIN __DBL_MIN__
190 #endif
191 #if __LDBL_HAS_DENORM__
192 #define LDBL_TRUE_MIN __LDBL_DENORM_MIN__
193 #else
194 #define LDBL_TRUE_MIN __LDBL_MIN__
195 #endif
196
197 #endif /* C1X */
198
160 #ifdef __STDC_WANT_DEC_FP__ 199 #ifdef __STDC_WANT_DEC_FP__
161 /* Draft Technical Report 24732, extension for decimal floating-point 200 /* Draft Technical Report 24732, extension for decimal floating-point
162 arithmetic: Characteristic of decimal floating types <float.h>. */ 201 arithmetic: Characteristic of decimal floating types <float.h>. */
163 202
164 /* Number of base-FLT_RADIX digits in the significand, p. */ 203 /* Number of base-FLT_RADIX digits in the significand, p. */