16 lines
377 B
Ruby
16 lines
377 B
Ruby
require 'facets/math/root'
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require 'facets/numeric/range'
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test_case Math do
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class_method :root do
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test do
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Math.root( 64.0, 3.0).range(1.0e-6).assert === 4.0
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Math.root( 0.729, 3.0).range(1.0e-6).assert === 0.9
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Math.root( 2.0, -0.5).range(1.0e-6).assert === 0.25
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Math.root( 0.25, -1.0/3).range(1.0e-6).assert === 64.0
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end
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end
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end
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