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authorschwab <schwab@138bc75d-0d04-0410-961f-82ee72b054a4>2001-09-13 09:53:28 +0000
committerschwab <schwab@138bc75d-0d04-0410-961f-82ee72b054a4>2001-09-13 09:53:28 +0000
commitd26eb1d0f1cca981c6ce198f1a575b4200e14cce (patch)
tree8f257cada360b2078c00583f9f27ce7b1c49c632 /gcc/config/float-m68k.h
parent5dcb037de7bb757e491508f37bdf9a3ce9990d0b (diff)
downloadgcc-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.h27
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_ */