diff --git a/libs/openzap/src/libteletone_detect.c b/libs/openzap/src/libteletone_detect.c index 7a3bf0d406..ec30cd106d 100644 --- a/libs/openzap/src/libteletone_detect.c +++ b/libs/openzap/src/libteletone_detect.c @@ -130,7 +130,7 @@ void teletone_goertzel_update(teletone_goertzel_state_t *goertzel_state, } } -#define teletone_goertzel_result(gs) (float)(((gs)->v3 * (gs)->v3 + (gs)->v2 * (gs)->v2 - (gs)->v2 * (gs)->v3 * (gs)->fac)) +#define teletone_goertzel_result(gs) (double)(((gs)->v3 * (gs)->v3 + (gs)->v2 * (gs)->v2 - (gs)->v2 * (gs)->v3 * (gs)->fac)) void teletone_dtmf_detect_init (teletone_dtmf_detect_state_t *dtmf_detect_state, int sample_rate) {