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limit preserved significand length

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h2so5
2014-02-24 08:21:10 +09:00
parent 109f675f44
commit f025e4961d
1 changed files with 3 additions and 0 deletions
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src/numeric.c
+3
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@@ -19,9 +19,11 @@
#define ceil(f) ceilf(f)
#define fmod(x,y) fmodf(x,y)
#define FLO_MAX_DIGITS 7
#define FLO_MAX_SIGN_LENGTH 3
#define FLO_EPSILON FLT_EPSILON
#else
#define FLO_MAX_DIGITS 14
#define FLO_MAX_SIGN_LENGTH 10
#define FLO_EPSILON DBL_EPSILON
#endif
@@ -159,6 +161,7 @@ mrb_flo_to_str(mrb_state *mrb, mrb_value flo)
}
}
if (beg >= 0) length = end - beg;
if (length > FLO_MAX_SIGN_LENGTH) length = FLO_MAX_SIGN_LENGTH;
}
if (abs(exp) + length >= FLO_MAX_DIGITS) {