diff options
Diffstat (limited to 'unsupported/test/FFT.cpp')
| -rw-r--r-- | unsupported/test/FFT.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/unsupported/test/FFT.cpp b/unsupported/test/FFT.cpp index ad0d426e4..861677174 100644 --- a/unsupported/test/FFT.cpp +++ b/unsupported/test/FFT.cpp @@ -47,7 +47,11 @@ complex<long double> promote(long double x) { return complex<long double>( x); cerr <<"idx\ttruth\t\tvalue\t|dif|=\n"; for (size_t k0=0;k0<size_t(fftbuf.size());++k0) { complex<long double> acc = 0; +#ifdef _GNU_SOURCE long double phinc = -2.*k0* M_PIl / timebuf.size(); +#else + long double phinc = -2.*k0* M_PI / timebuf.size(); +#endif for (size_t k1=0;k1<size_t(timebuf.size());++k1) { acc += promote( timebuf[k1] ) * exp( complex<long double>(0,k1*phinc) ); } |