diff options
| author | naruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2010-11-09 01:57:49 +0000 |
|---|---|---|
| committer | naruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2010-11-09 01:57:49 +0000 |
| commit | c383fbf93f691f443eb16761351a6943bc29d3f9 (patch) | |
| tree | 538fe8e31a85eb85a67ea1d1127dee2b9dc74fba /test/ruby/test_sprintf.rb | |
| parent | b3c7867df7cd186e73021f0ed9d17680999f190f (diff) | |
* util.c (ruby_strtod): this code uses FPU's rounding system.
But x86's FPU calculates double precision floating-point
numbers in 80bit precision, so it fails to round the value.
So ensure the value is assigned a variable. [ruby-dev:42551]
see also [ruby-math:00802]
http://www.shudo.net/java-grandprix99/strictfp/
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@29729 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'test/ruby/test_sprintf.rb')
| -rw-r--r-- | test/ruby/test_sprintf.rb | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/test/ruby/test_sprintf.rb b/test/ruby/test_sprintf.rb index b82cbc4b90..b918ceba72 100644 --- a/test/ruby/test_sprintf.rb +++ b/test/ruby/test_sprintf.rb @@ -190,6 +190,8 @@ class TestSprintf < Test::Unit::TestCase sprintf("%20.0f", 36893488147419107329.0)) assert_equal(" Inf", sprintf("% 0e", 1.0/0.0), "moved from btest/knownbug") assert_equal(" -0.", sprintf("%#10.0f", -0.5), "[ruby-dev:42552]") + assert_equal("0x1.p+2", sprintf('%.0a', Float('0x1.fp+1')), "[ruby-dev:42551]") + assert_equal("-0x1.0p+2", sprintf('%.0a', Float('-0x1.ffp+1')), "[ruby-dev:42551]") end def test_float_hex |