aflibfft.cc.3

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.TH "aflibFFT.cc" 3 "8 May 2002" "Open Source Audio Library Project" \" -*- nroff -*-
.ad l
.nh
.SH NAME
aflibFFT.cc \- 
.SH SYNOPSIS
.br
.PP
\fC#include <stdio.h>\fP
.br
\fC#include <stdlib.h>\fP
.br
\fC#include <math.h>\fP
.br
\fC#include 'aflibFFT.h'\fP
.br

.SS "Defines"

.in +1c
.ti -1c
.RI "#define \fBpi\fP   3.1415926535897932384626434"
.br
.ti -1c
.RI "#define \fBc_re\fP(c)   ((c).re)"
.br
.ti -1c
.RI "#define \fBc_im\fP(c)   ((c).im)"
.br
.ti -1c
.RI "#define \fBc_add_mul\fP(c, c1, c2)"
.br
.ti -1c
.RI "#define \fBc_conj\fP(c)   { c_im (c) = -c_im (c); }"
.br
.ti -1c
.RI "#define \fBc_realdiv\fP(c, real)   { c_re (c) /= (real); c_im (c) /= (real); }"
.br
.ti -1c
.RI "#define \fBW\fP(n, k)   (W_factors [((k) * (Nfactors / (n))) % Nfactors])"
.br
.in -1c
.SH "DEFINE DOCUMENTATION"
.PP 
.SS "#define c_add_mul(c, c1, c2)"
.PP
\fBValue:\fP
.PP
.nf
{ COMPLEX C1, C2; C1 = (c1); C2 = (c2); \
                  c_re (c) += C1.re * C2.re - C1.im * C2.im; \
                  c_im (c) += C1.re * C2.im + C1.im * C2.re; }
.fi
.SS "#define c_conj(c)   { c_im (c) = -c_im (c); }"
.PP
.SS "#define c_im(c)   ((c).im)"
.PP
.SS "#define c_re(c)   ((c).re)"
.PP
.SS "#define c_realdiv(c, real)   { c_re (c) /= (real); c_im (c) /= (real); }"
.PP
.SS "#define pi   3.1415926535897932384626434"
.PP
.SS "#define W(n, k)   (W_factors [((k) * (Nfactors / (n))) % Nfactors])"
.PP
.SH "AUTHOR"
.PP 
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