20 lines
626 B
Ruby
20 lines
626 B
Ruby
require 'facets/math/sec'
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require 'facets/numeric/range' # used to test within a precision
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test_case Math do
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class_method :sec do
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test do
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Math.sec(1.0).range(1.0e-6).assert === 1.0 / Math.cos(1.0)
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Math.sec(2.0).range(1.0e-6).assert === 1.0 / Math.cos(2.0)
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end
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end
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# TODO: Check complementarity of cos and sec
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#assert_equal_float(1.0, Math.sec(-2.0) * Math.cos(-2.0), 1.0e-6)
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#assert_equal_float(1.0, Math.sec(-1.0) * Math.cos(-1.0), 1.0e-6)
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#assert_equal_float(1.0, Math.sec( 1.0) * Math.cos( 1.0), 1.0e-6)
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#assert_equal_float(1.0, Math.sec( 2.0) * Math.cos( 2.0), 1.0e-6)
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end
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