27 lines
479 B
Factor
27 lines
479 B
Factor
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USING: math.vectors tools.test ;
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IN: math.transforms.fft
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! even lengths
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{ t } [
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{ C{ 10 0 } C{ -2 2 } C{ -2 0 } C{ -2 -2 } }
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{ 1 2 3 4 } fft 1e-12 v~
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] unit-test
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{ t } [
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{ C{ 2+1/2 0 } C{ -1/2 -1/2 } C{ -1/2 0 } C{ -1/2 1/2 } }
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{ 1 2 3 4 } ifft 1e-12 v~
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] unit-test
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! odd lengths
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{ t } [
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{ C{ 5 0 } C{ -1 0 } C{ -1 0 } }
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{ 1 2 2 } fft 1e-12 v~
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] unit-test
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{ t } [
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{ C{ 1+2/3 0 } C{ -1/3 0 } C{ -1/3 0 } }
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{ 1 2 2 } ifft 1e-12 v~
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] unit-test
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