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Index: test/ruby/test_math.rb
— test/ruby/test_math.rb (revision 15464)
+++ test/ruby/test_math.rb (working copy)
@@ -6,32 +6,32 @@
end
def test_atan2
- check(Math.atan2(0, 1), 0)
- check(Math.atan2(1, 1), Math::PI / 4)
- check(Math.atan2(1, 0), Math::PI / 2)
- check(0, Math.atan2(0, 1))
- check(Math::PI / 4, Math.atan2(1, 1))
- check(Math::PI / 2, Math.atan2(1, 0))
end
def test_cos
- check(Math.cos(0 * Math::PI / 4), 1.0)
- check(Math.cos(1 * Math::PI / 4), 1.0 / Math.sqrt(2))
- check(Math.cos(2 * Math::PI / 4), 0.0)
- check(Math.cos(4 * Math::PI / 4), -1.0)
- check(Math.cos(6 * Math::PI / 4), 0.0)
- check(1.0, Math.cos(0 * Math::PI / 4))
- check(1.0 / Math.sqrt(2), Math.cos(1 * Math::PI / 4))
- check(0.0, Math.cos(2 * Math::PI / 4))
- check(-1.0, Math.cos(4 * Math::PI / 4))
- check(0.0, Math.cos(6 * Math::PI / 4))
end
def test_sin
- check(Math.sin(0 * Math::PI / 4), 0.0)
- check(Math.sin(1 * Math::PI / 4), 1.0 / Math.sqrt(2))
- check(Math.sin(2 * Math::PI / 4), 1.0)
- check(Math.sin(4 * Math::PI / 4), 0.0)
- check(Math.sin(6 * Math::PI / 4), -1.0)
- check(0.0, Math.sin(0 * Math::PI / 4))
- check(1.0 / Math.sqrt(2), Math.sin(1 * Math::PI / 4))
- check(1.0, Math.sin(2 * Math::PI / 4))
- check(0.0, Math.sin(4 * Math::PI / 4))
- check(-1.0, Math.sin(6 * Math::PI / 4))
end
def test_tan
- check(Math.tan(0 * Math::PI / 4), 0.0)
- check(Math.tan(1 * Math::PI / 4), 1.0)
- check(0.0, Math.tan(0 * Math::PI / 4))
- check(1.0, Math.tan(1 * Math::PI / 4))
assert(Math.tan(2 * Math::PI / 4).abs > 1024)
- check(Math.tan(4 * Math::PI / 4), 0.0)
- check(0.0, Math.tan(4 * Math::PI / 4))
assert(Math.tan(6 * Math::PI / 4).abs > 1024)
end
@@ -77,22 +77,22 @@
end
def test_acosh
- check(Math.acosh(1), 0)
- check(Math.acosh((Math::E ** 1 + Math::E ** -1) / 2), 1)
- check(Math.acosh((Math::E ** 2 + Math::E ** -2) / 2), 2)
- check(0, Math.acosh(1))
- check(1, Math.acosh((Math::E ** 1 + Math::E ** -1) / 2))
- check(2, Math.acosh((Math::E ** 2 + Math::E ** -2) / 2))
assert_raise(Errno::EDOM, Errno::ERANGE) { Math.acosh(0) }
end
def test_asinh
- check(Math.asinh(0), 0)
- check(Math.asinh((Math::E ** 1 - Math::E ** -1) / 2), 1)
- check(Math.asinh((Math::E ** 2 - Math::E ** -2) / 2), 2)
- check(0, Math.asinh(0))
- check(1, Math.asinh((Math::E ** 1 - Math::E ** -1) / 2))
- check(2, Math.asinh((Math::E ** 2 - Math::E ** -2) / 2))
end
def test_atanh
- check(Math.atanh(Math.sinh(0) / Math.cosh(0)), 0)
- check(Math.atanh(Math.sinh(1) / Math.cosh(1)), 1)
- check(Math.atanh(Math.sinh(2) / Math.cosh(2)), 2)
- check(0, Math.atanh(Math.sinh(0) / Math.cosh(0)))
- check(1, Math.atanh(Math.sinh(1) / Math.cosh(1)))
- check(2, Math.atanh(Math.sinh(2) / Math.cosh(2)))
assert_raise(Errno::EDOM, Errno::ERANGE) { Math.atanh(-1) }
end