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Contents
require File.dirname(File.join(__rhoGetCurrentDir(), __FILE__)) + '/../../spec_helper'
describe "Float#/" do
it "returns self divided by other" do
(5.75 / -2).should be_close(-2.875,TOLERANCE)
(451.0 / 9.3).should be_close(48.494623655914,TOLERANCE)
(91.1 / -0xffffffff).should be_close(-2.12108716418061e-08, TOLERANCE)
end
# XXX we dont have BigDecimal library
# it "properly handles BigDecimal argument" do
# require 'bigdecimal'
# (2.0 / BigDecimal.new('5.0')).should be_close(0.4, TOLERANCE)
# (2.0 / BigDecimal.new('Infinity')).should == 0
# (2.0 / BigDecimal.new('-Infinity')).should == 0
# (2.0 / BigDecimal.new('0.0')).infinite?.should == 1
# (2.0 / BigDecimal.new('-0.0')).infinite?.should == -1
# (2.0 / BigDecimal.new('NaN')).nan?.should == true
# end
it "does NOT raise ZeroDivisionError if other is zero" do
(1.0 / 0.0).to_s.should == 'Infinity'
(-1.0 / 0.0).to_s.should == '-Infinity'
(1.0 / -0.0).to_s.should == '-Infinity'
(-1.0 / -0.0).to_s.should == 'Infinity'
(0.0 / 0.0).to_s.should == 'NaN'
(-0.0 / 0.0).to_s.should == 'NaN'
(-0.0 / -0.0).to_s.should == 'NaN'
end
end
Version data entries
83 entries across 83 versions & 1 rubygems