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author | schwab <schwab@138bc75d-0d04-0410-961f-82ee72b054a4> | 2001-09-13 09:53:28 +0000 |
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committer | schwab <schwab@138bc75d-0d04-0410-961f-82ee72b054a4> | 2001-09-13 09:53:28 +0000 |
commit | d26eb1d0f1cca981c6ce198f1a575b4200e14cce (patch) | |
tree | 8f257cada360b2078c00583f9f27ce7b1c49c632 /gcc/config/float-m68k.h | |
parent | 5dcb037de7bb757e491508f37bdf9a3ce9990d0b (diff) | |
download | gcc-d26eb1d0f1cca981c6ce198f1a575b4200e14cce.tar.gz |
* config/float-m68k.h: Define DECIMAL_DIG and FLT_EVAL_METHOD for
C99.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@45577 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/config/float-m68k.h')
-rw-r--r-- | gcc/config/float-m68k.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/gcc/config/float-m68k.h b/gcc/config/float-m68k.h index 8294b66f3d0..c942b1da913 100644 --- a/gcc/config/float-m68k.h +++ b/gcc/config/float-m68k.h @@ -94,7 +94,34 @@ #undef LDBL_MAX_10_EXP #define LDBL_MAX_10_EXP 4932 +#if __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 + */ + /* ??? FLT_EVAL_METHOD depends on TARGET_68040_ONLY. We do not currently have a preprocessor token that we can use to tell that this is on. */ +# undef FLT_EVAL_METHOD +# define FLT_EVAL_METHOD -1 + + /* 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 21 + +#endif /* C99 */ #endif /* _FLOAT_H_ */ |