From 39ea1c8c7c68e2b09c5d2b8641f049f702ca9805 Mon Sep 17 00:00:00 2001 From: nobu Date: Wed, 23 Sep 2009 17:21:26 +0000 Subject: * ext/bigdecimal/lib/bigdecimal/math.rb (atan): atan(Infinity) is PI/2. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@25063 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- test/bigdecimal/test_bigmath.rb | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'test/bigdecimal') diff --git a/test/bigdecimal/test_bigmath.rb b/test/bigdecimal/test_bigmath.rb index 7801e6045b..2870664bcf 100644 --- a/test/bigdecimal/test_bigmath.rb +++ b/test/bigdecimal/test_bigmath.rb @@ -21,7 +21,7 @@ class TestBigMath < Test::Unit::TestCase assert_equal(0.0, sqrt(BigDecimal("-0"), N)) assert_raise(FloatDomainError) {sqrt(BigDecimal("-1.0"), N)} assert_raise(FloatDomainError) {sqrt(NAN, N)} - assert_equal(PINF, sqrt(PINF, N)) + assert_raise(FloatDomainError) {sqrt(PINF, N)} end def test_sin @@ -56,6 +56,7 @@ class TestBigMath < Test::Unit::TestCase assert_equal(0.0, atan(BigDecimal("0.0"), N)) assert_in_delta(Math::PI/4, atan(BigDecimal("1.0"), N)) assert_in_delta(Math::PI/6, atan(sqrt(BigDecimal("3.0"), N) / 3, N)) + assert_in_delta(Math::PI/2, atan(PINF, N)) end def test_exp -- cgit v1.2.3