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| author | h2so5 <[email protected]> | 2014-02-24 08:21:10 +0900 |
|---|---|---|
| committer | h2so5 <[email protected]> | 2014-02-24 08:21:10 +0900 |
| commit | f025e4961d1f53836abbf22fdf17b6a1b9cee270 (patch) | |
| tree | 834b6b2ff4443ff508b61df32e15a1c3f482c666 /src/numeric.c | |
| parent | 109f675f44ad0b03d8201d6d890c109f1529fd2b (diff) | |
| download | mruby-f025e4961d1f53836abbf22fdf17b6a1b9cee270.tar.gz mruby-f025e4961d1f53836abbf22fdf17b6a1b9cee270.zip | |
limit preserved significand length
Diffstat (limited to 'src/numeric.c')
| -rw-r--r-- | src/numeric.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/numeric.c b/src/numeric.c index ec7f05b97..d09213235 100644 --- a/src/numeric.c +++ b/src/numeric.c @@ -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) { |