File: abs.rb

package info (click to toggle)
jruby 9.3.9.0%2Bds-8
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 80,856 kB
  • sloc: ruby: 517,823; java: 260,094; xml: 31,930; ansic: 5,777; yacc: 4,973; sh: 1,163; makefile: 105; jsp: 48; tcl: 40; exp: 11
file content (10 lines) | stat: -rw-r--r-- 481 bytes parent folder | download | duplicates (7) 
1
2
3
4
5
6
7
8
9
10
 
describe :complex_abs, shared: true do
  it "returns the modulus: |a + bi| = sqrt((a ^ 2) + (b ^ 2))" do
    Complex(0, 0).send(@method).should == 0
    Complex(3, 4).send(@method).should == 5 # well-known integer case
    Complex(-3, 4).send(@method).should == 5
    Complex(1, -1).send(@method).should be_close(Math.sqrt(2), TOLERANCE)
    Complex(6.5, 0).send(@method).should be_close(6.5, TOLERANCE)
    Complex(0, -7.2).send(@method).should be_close(7.2, TOLERANCE)
  end
end