diff options
| author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2009-03-05 09:36:39 +0000 |
|---|---|---|
| committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2009-03-05 09:36:39 +0000 |
| commit | 9b52ae2e6491bb5d6c59e1799449f6268baf6f89 () | |
| tree | a3020e451c67ff06e2b90ad94402e9fc03e2dac1 | |
| parent | e691ba3baca5883a052d062df7c5d671c384ed0c (diff) | |
* numeric.c (flo_to_s): keeps enough precision for round trip.
[ruby-core:22325] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@22783 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
| -rw-r--r-- | ChangeLog | 5 | ||||
| -rw-r--r-- | numeric.c | 8 |
2 files changed, 10 insertions, 3 deletions
@@ -1,3 +1,8 @@ Thu Mar 5 16:56:14 2009 Nobuyoshi Nakada <[email protected]> * lib/tmpdir.rb (Dir.tmpdir): not use USERPROFILE, and ignores @@ -521,7 +521,9 @@ rb_float_new(double d) static VALUE flo_to_s(VALUE flt) { - char buf[32]; double value = RFLOAT_VALUE(flt); char *p, *e; @@ -530,12 +532,12 @@ flo_to_s(VALUE flt) else if(isnan(value)) return rb_usascii_str_new2("NaN"); - snprintf(buf, sizeof(buf), "%#.15g", value); /* ensure to print decimal point */ if (!(e = strchr(buf, 'e'))) { e = buf + strlen(buf); } if (!ISDIGIT(e[-1])) { /* reformat if ended with decimal point (ex 111111111111111.) */ - snprintf(buf, sizeof(buf), "%#.14e", value); if (!(e = strchr(buf, 'e'))) { e = buf + strlen(buf); } |