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| subroutine | twofft (data1, data2, fft1, fft2, n) |
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| subroutine | realft (data, n, isign) |
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| subroutine | four1 (data, nn, isign) |
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| subroutine four1 |
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double precision, dimension(2*nn) |
data, |
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integer |
nn, |
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integer |
isign |
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) |
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| subroutine realft |
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double precision, dimension(2*n) |
data, |
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integer |
n, |
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integer |
isign |
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) |
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| subroutine twofft |
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double precision, dimension(n) |
data1, |
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double precision, dimension(n) |
data2, |
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double complex, dimension(n) |
fft1, |
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double complex, dimension(n) |
fft2, |
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integer |
n |
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) |
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