M_PI 45 src/fsk.c #ifndef M_PI M_PI 169 src/fsk.c phi_mark = 2. * M_PI / ((double) attr->sample_rate / (double) handle->downsampling_count / (double) fsk_modem_definitions[FSK_BELL202].freq_mark); M_PI 170 src/fsk.c phi_space = 2. * M_PI / ((double) attr->sample_rate / (double) handle->downsampling_count / (double) fsk_modem_definitions[FSK_BELL202].freq_space); M_PI 98 src/include/private/libteletone.h #if !defined(M_PI) M_PI 102 src/include/private/libteletone_detect.h #define M_TWO_PI 2.0*M_PI