M_PI              101 include/libfftss.h #ifndef M_PI
M_PI              104 libfftss/fftss_table.c     sin_i = sin(2.0 * M_PI * (double)i / (double)n);
M_PI              105 libfftss/fftss_table.c     p->w[2 * i] = cos(2.0 * M_PI * (double)i / (double)n) / sin_i;
M_PI              145 libfftss/fftss_table.c     p->w[2 * i] = cos(2.0 * M_PI * (double)i / (double)n);
M_PI              146 libfftss/fftss_table.c     p->w[2 * i + 1] = sin(2.0 * M_PI * (double)i / (double)n);