From dadd9bc24d7bdb80ee71364f1978d9344ce35dee Mon Sep 17 00:00:00 2001 From: nobu Date: Fri, 4 Nov 2016 07:31:47 +0000 Subject: util.c: round to even * util.c (ruby_dtoa): round to even, instead of rounding to nearest. [ruby-core:77864] [Bug #12889] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56557 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- test/ruby/test_sprintf.rb | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) (limited to 'test/ruby/test_sprintf.rb') diff --git a/test/ruby/test_sprintf.rb b/test/ruby/test_sprintf.rb index 440cd1d6ab..df9b19b064 100644 --- a/test/ruby/test_sprintf.rb +++ b/test/ruby/test_sprintf.rb @@ -283,7 +283,16 @@ class TestSprintf < Test::Unit::TestCase end def test_float_prec - assert_equal("5.03", sprintf("%.2f",5.025)) + assert_equal("5.00", sprintf("%.2f",5.005)) + assert_equal("5.02", sprintf("%.2f",5.015)) + assert_equal("5.02", sprintf("%.2f",5.025)) + assert_equal("5.04", sprintf("%.2f",5.035)) + bug12889 = '[ruby-core:77864] [Bug #12889]' + assert_equal("1234567892", sprintf("%.0f", 1234567891.99999)) + assert_equal("1234567892", sprintf("%.0f", 1234567892.49999)) + assert_equal("1234567892", sprintf("%.0f", 1234567892.50000)) + assert_equal("1234567894", sprintf("%.0f", 1234567893.50000)) + assert_equal("1234567892", sprintf("%.0f", 1234567892.00000), bug12889) end BSIZ = 120 -- cgit v1.2.3