16 lines
285 B
C++
16 lines
285 B
C++
#include "nr.h"
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void NR::wt1(Vec_IO_DP &a, const int isign,
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void wtstep(Vec_IO_DP &, const int, const int))
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{
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int nn;
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int n=a.size();
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if (n < 4) return;
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if (isign >= 0) {
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for (nn=n;nn>=4;nn>>=1) wtstep(a,nn,isign);
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} else {
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for (nn=4;nn<=n;nn<<=1) wtstep(a,nn,isign);
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}
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}
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