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* missing/lgamma_r.c (loggamma): return 0 for 1 and 2.
* test/ruby/test_math.rb: accept errors by functions under missing/. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@15708 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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3 changed files with 10 additions and 1 deletions
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@ -1,3 +1,9 @@
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Thu Mar 6 14:46:08 2008 Tanaka Akira <akr@fsij.org>
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* missing/lgamma_r.c (loggamma): return 0 for 1 and 2.
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* test/ruby/test_math.rb: accept errors by functions under missing/.
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Thu Mar 6 14:29:44 2008 NARUSE, Yui <naruse@ruby-lang.org>
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* transcode.c (rb_str_transcode_bang): set coderange.
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@ -34,6 +34,8 @@ loggamma(double x) /* the natural logarithm of the Gamma function. */
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{
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double v, w;
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if (x == 1.0 || x == 2.0) return 0.0;
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v = 1;
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while (x < N) { v *= x; x++; }
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w = 1 / (x * x);
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@ -2,7 +2,8 @@ require 'test/unit'
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class TestMath < Test::Unit::TestCase
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def check(a, b)
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assert_in_delta(a, b, Float::EPSILON * 4)
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err = [Float::EPSILON * 4, [a.abs, b.abs].max * Float::EPSILON * 256].max
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assert_in_delta(a, b, err)
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end
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def test_atan2
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