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author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2016-11-25 06:28:00 +0000 |
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committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2016-11-25 06:28:00 +0000 |
commit | cc8782ccc86563b5aae5713863a72806d2a1400d (patch) | |
tree | d85aad8b66468b69730c9a85362879b56f5aa41a /test/ruby/test_integer.rb | |
parent | 7e49e3a40acfb155afc41f49f82e19dd0336fb3f (diff) | |
download | ruby-cc8782ccc86563b5aae5713863a72806d2a1400d.tar.gz |
round-down
* numeric.c (round_half_down, int_round_half_down): support
round-down mode.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56897 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'test/ruby/test_integer.rb')
-rw-r--r-- | test/ruby/test_integer.rb | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/test/ruby/test_integer.rb b/test/ruby/test_integer.rb index d9dd754ca6..18346e95f9 100644 --- a/test/ruby/test_integer.rb +++ b/test/ruby/test_integer.rb @@ -197,6 +197,10 @@ class TestInteger < Test::Unit::TestCase assert_int_equal(+300, +250.round(-2, half: :up)) assert_int_equal(+300, +349.round(-2, half: :up)) assert_int_equal(+400, +350.round(-2, half: :up)) + assert_int_equal(+200, +249.round(-2, half: :down)) + assert_int_equal(+200, +250.round(-2, half: :down)) + assert_int_equal(+300, +349.round(-2, half: :down)) + assert_int_equal(+300, +350.round(-2, half: :down)) assert_int_equal(-200, -250.round(-2)) assert_int_equal(-200, -249.round(-2, half: :even)) assert_int_equal(-200, -250.round(-2, half: :even)) @@ -206,6 +210,10 @@ class TestInteger < Test::Unit::TestCase assert_int_equal(-300, -250.round(-2, half: :up)) assert_int_equal(-300, -349.round(-2, half: :up)) assert_int_equal(-400, -350.round(-2, half: :up)) + assert_int_equal(-200, -249.round(-2, half: :down)) + assert_int_equal(-200, -250.round(-2, half: :down)) + assert_int_equal(-300, -349.round(-2, half: :down)) + assert_int_equal(-300, -350.round(-2, half: :down)) assert_int_equal(+20 * 10**70, (+25 * 10**70).round(-71)) assert_int_equal(-20 * 10**70, (-25 * 10**70).round(-71)) assert_int_equal(+20 * 10**70, (+25 * 10**70 - 1).round(-71)) @@ -230,6 +238,14 @@ class TestInteger < Test::Unit::TestCase assert_int_equal(-40 * 10**70, (-35 * 10**70).round(-71, half: :up)) assert_int_equal(+30 * 10**70, (+35 * 10**70 - 1).round(-71, half: :up)) assert_int_equal(-30 * 10**70, (-35 * 10**70 + 1).round(-71, half: :up)) + assert_int_equal(+20 * 10**70, (+25 * 10**70).round(-71, half: :down)) + assert_int_equal(-20 * 10**70, (-25 * 10**70).round(-71, half: :down)) + assert_int_equal(+20 * 10**70, (+25 * 10**70 - 1).round(-71, half: :down)) + assert_int_equal(-20 * 10**70, (-25 * 10**70 + 1).round(-71, half: :down)) + assert_int_equal(+30 * 10**70, (+35 * 10**70).round(-71, half: :down)) + assert_int_equal(-30 * 10**70, (-35 * 10**70).round(-71, half: :down)) + assert_int_equal(+30 * 10**70, (+35 * 10**70 - 1).round(-71, half: :down)) + assert_int_equal(-30 * 10**70, (-35 * 10**70 + 1).round(-71, half: :down)) assert_int_equal(1111_1111_1111_1111_1111_1111_1111_1110, 1111_1111_1111_1111_1111_1111_1111_1111.round(-1)) assert_int_equal(-1111_1111_1111_1111_1111_1111_1111_1110, (-1111_1111_1111_1111_1111_1111_1111_1111).round(-1)) |