diff options
Diffstat (limited to 'gcc/ginclude/float.h')
| -rw-r--r-- | gcc/ginclude/float.h | 86 |
1 files changed, 85 insertions, 1 deletions
diff --git a/gcc/ginclude/float.h b/gcc/ginclude/float.h index 9c4b038..39139ee 100644 --- a/gcc/ginclude/float.h +++ b/gcc/ginclude/float.h @@ -248,9 +248,45 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see #define DBL_NORM_MAX __DBL_NORM_MAX__ #define LDBL_NORM_MAX __LDBL_NORM_MAX__ +/* Whether each type matches an IEC 60559 format (1 for format, 2 for + format and operations). */ +#undef FLT_IS_IEC_60559 +#undef DBL_IS_IEC_60559 +#undef LDBL_IS_IEC_60559 +#define FLT_IS_IEC_60559 __FLT_IS_IEC_60559__ +#define DBL_IS_IEC_60559 __DBL_IS_IEC_60559__ +#define LDBL_IS_IEC_60559 __LDBL_IS_IEC_60559__ + +/* Infinity in type float, or overflow if infinity not supported. */ +#undef INFINITY +#define INFINITY (__builtin_inff ()) + +/* Quiet NaN, if supported for float. */ +#if __FLT_HAS_QUIET_NAN__ +#undef NAN +#define NAN (__builtin_nanf ("")) +#endif + +/* Signaling NaN, if supported for each type. All formats supported + by GCC support either both quiet and signaling NaNs, or neither + kind of NaN. */ +#if __FLT_HAS_QUIET_NAN__ +#undef FLT_SNAN +#define FLT_SNAN (__builtin_nansf ("")) +#endif +#if __DBL_HAS_QUIET_NAN__ +#undef DBL_SNAN +#define DBL_SNAN (__builtin_nans ("")) +#endif +#if __LDBL_HAS_QUIET_NAN__ +#undef LDBL_SNAN +#define LDBL_SNAN (__builtin_nansl ("")) +#endif + #endif /* C2X */ -#ifdef __STDC_WANT_IEC_60559_BFP_EXT__ +#if (defined __STDC_WANT_IEC_60559_BFP_EXT__ \ + || defined __STDC_WANT_IEC_60559_EXT__) /* Number of decimal digits for which conversions between decimal character strings and binary formats, in both directions, are correctly rounded. */ @@ -284,6 +320,10 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see #define FLT16_DECIMAL_DIG __FLT16_DECIMAL_DIG__ #undef FLT16_TRUE_MIN #define FLT16_TRUE_MIN __FLT16_DENORM_MIN__ +#if defined __STDC_VERSION__ && __STDC_VERSION__ > 201710L +#undef FLT16_SNAN +#define FLT16_SNAN (__builtin_nansf16 ("")) +#endif /* C2X */ #endif /* __FLT16_MANT_DIG__. */ #ifdef __FLT32_MANT_DIG__ @@ -309,6 +349,10 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see #define FLT32_DECIMAL_DIG __FLT32_DECIMAL_DIG__ #undef FLT32_TRUE_MIN #define FLT32_TRUE_MIN __FLT32_DENORM_MIN__ +#if defined __STDC_VERSION__ && __STDC_VERSION__ > 201710L +#undef FLT32_SNAN +#define FLT32_SNAN (__builtin_nansf32 ("")) +#endif /* C2X */ #endif /* __FLT32_MANT_DIG__. */ #ifdef __FLT64_MANT_DIG__ @@ -334,6 +378,10 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see #define FLT64_DECIMAL_DIG __FLT64_DECIMAL_DIG__ #undef FLT64_TRUE_MIN #define FLT64_TRUE_MIN __FLT64_DENORM_MIN__ +#if defined __STDC_VERSION__ && __STDC_VERSION__ > 201710L +#undef FLT64_SNAN +#define FLT64_SNAN (__builtin_nansf64 ("")) +#endif /* C2X */ #endif /* __FLT64_MANT_DIG__. */ #ifdef __FLT128_MANT_DIG__ @@ -359,6 +407,10 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see #define FLT128_DECIMAL_DIG __FLT128_DECIMAL_DIG__ #undef FLT128_TRUE_MIN #define FLT128_TRUE_MIN __FLT128_DENORM_MIN__ +#if defined __STDC_VERSION__ && __STDC_VERSION__ > 201710L +#undef FLT128_SNAN +#define FLT128_SNAN (__builtin_nansf128 ("")) +#endif /* C2X */ #endif /* __FLT128_MANT_DIG__. */ #ifdef __FLT32X_MANT_DIG__ @@ -384,6 +436,10 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see #define FLT32X_DECIMAL_DIG __FLT32X_DECIMAL_DIG__ #undef FLT32X_TRUE_MIN #define FLT32X_TRUE_MIN __FLT32X_DENORM_MIN__ +#if defined __STDC_VERSION__ && __STDC_VERSION__ > 201710L +#undef FLT32X_SNAN +#define FLT32X_SNAN (__builtin_nansf32x ("")) +#endif /* C2X */ #endif /* __FLT32X_MANT_DIG__. */ #ifdef __FLT64X_MANT_DIG__ @@ -409,6 +465,10 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see #define FLT64X_DECIMAL_DIG __FLT64X_DECIMAL_DIG__ #undef FLT64X_TRUE_MIN #define FLT64X_TRUE_MIN __FLT64X_DENORM_MIN__ +#if defined __STDC_VERSION__ && __STDC_VERSION__ > 201710L +#undef FLT64X_SNAN +#define FLT64X_SNAN (__builtin_nansf64x ("")) +#endif /* C2X */ #endif /* __FLT64X_MANT_DIG__. */ #ifdef __FLT128X_MANT_DIG__ @@ -434,6 +494,10 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see #define FLT128X_DECIMAL_DIG __FLT128X_DECIMAL_DIG__ #undef FLT128X_TRUE_MIN #define FLT128X_TRUE_MIN __FLT128X_DENORM_MIN__ +#if defined __STDC_VERSION__ && __STDC_VERSION__ > 201710L +#undef FLT128X_SNAN +#define FLT128X_SNAN (__builtin_nansf128x ("")) +#endif /* C2X */ #endif /* __FLT128X_MANT_DIG__. */ #endif /* __STDC_WANT_IEC_60559_TYPES_EXT__. */ @@ -537,6 +601,26 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see #endif /* __STDC_WANT_IEC_60559_DFP_EXT__ || C2X. */ +#if defined __STDC_VERSION__ && __STDC_VERSION__ > 201710L + +/* Infinity in type _Decimal32. */ +#undef DEC_INFINITY +#define DEC_INFINITY (__builtin_infd32 ()) + +/* Quiet NaN in type _Decimal32. */ +#undef DEC_NAN +#define DEC_NAN (__builtin_nand32 ("")) + +/* Signaling NaN in each decimal floating-point type. */ +#undef DEC32_SNAN +#define DEC32_SNAN (__builtin_nansd32 ("")) +#undef DEC64_SNAN +#define DEC64_SNAN (__builtin_nansd64 ("")) +#undef DEC128_SNAN +#define DEC128_SNAN (__builtin_nansd128 ("")) + +#endif /* C2X */ + #endif /* __DEC32_MANT_DIG__ */ #endif /* _FLOAT_H___ */ |