diff options
Diffstat (limited to 'contrib/gcc/config/float-i64.h')
| -rw-r--r-- | contrib/gcc/config/float-i64.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/contrib/gcc/config/float-i64.h b/contrib/gcc/config/float-i64.h index 7dbe4e92a10e..735f74236350 100644 --- a/contrib/gcc/config/float-i64.h +++ b/contrib/gcc/config/float-i64.h @@ -93,4 +93,31 @@ #undef LDBL_MAX_10_EXP #define LDBL_MAX_10_EXP 308 +#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 + */ +# undef FLT_EVAL_METHOD +# define FLT_EVAL_METHOD 0 + + /* Number of decimal digits to enable rounding to the given number of + decimal digits without loss of precision. + if FLT_RADIX == 10^n: #mantissa * log10 (FLT_RADIX) + else : ceil (1 + #mantissa * log10 (FLT_RADIX)) + where #mantissa is the number of bits in the mantissa of the widest + supported floating-point type. + */ +# undef DECIMAL_DIG +# define DECIMAL_DIG 17 + +#endif /* C99 */ + #endif /* _FLOAT_H_ */ |