Feature #10225 » _ test_math.rb Add tests for Math.normcdf.PATCH
| test/ruby/test_math.rb | ||
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check(0, Math.erfc(1.0 / 0.0))
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end
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def test_normcdf
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check(0.5, Math.normcdf(0))
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check(0.9772498680518208, Math.normcdf(2))
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check(1.0, Math.normcdf(-2) + Math.normcdf(2))
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check(1.0, Math.normcdf(Float::INFINITY))
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check(0.0, Math.normcdf(-Float::INFINITY))
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end
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def test_gamma
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sqrt_pi = Math.sqrt(Math::PI)
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check(4 * sqrt_pi / 3, Math.gamma(-1.5))
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