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Merge pull request #2532 from chasonr/float-to-string

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Remove some roundoff from mrb_flo_to_str
This commit is contained in:
Yukihiro "Matz" Matsumoto
2014-08-14 12:43:06 +09:00
parent 6c1dfc9566 f7389bb1e6
commit 8a2291b2cd
1 changed files with 3 additions and 3 deletions
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src/numeric.c
+3 -3
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@@ -188,8 +188,8 @@ mrb_flo_to_str(mrb_state *mrb, mrb_float flo)
/* puts digits */
while (max_digits >= 0) {
double weight = pow(10.0, m);
double fdigit = n / weight;
double weight = (m < 0) ? 0.0 : pow(10.0, m);
double fdigit = (m < 0) ? n * 10.0 : n / weight;
if (fdigit < 0) fdigit = n = 0;
if (m < -1 && fdigit < FLO_EPSILON) {
@@ -204,7 +204,7 @@ mrb_flo_to_str(mrb_state *mrb, mrb_float flo)
continue;
}
*(c++) = '0' + digit;
n -= (digit * weight);
n = (m < 0) ? n * 10.0 - digit : n - (digit * weight);
max_digits--;
if (m-- == 0) {
*(c++) = '.';