From 0ce342a5b1e9dfbfe36b9ceb2e0a0fc0aade2673 Mon Sep 17 00:00:00 2001 From: alanbjohnston Date: Tue, 8 Dec 2020 15:17:48 -0500 Subject: [PATCH] fixed atan divide by 0 Nan error --- afsk/main.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/afsk/main.c b/afsk/main.c index 9a915f5e..c98a4186 100644 --- a/afsk/main.c +++ b/afsk/main.c @@ -405,9 +405,9 @@ axis[0] = 0; // rnd_float(-0.2, 0.2); axis[1] = 0; // rnd_float(-0.2, 0.2); axis[2] = (rnd_float(-0.2, 0.2) > 0) ? 1.0: -1.0; -angle[0] = (float) atan(axis[1] / axis[2]); -angle[1] = (float) atan(axis[2] / axis[0]); -angle[2] = (float) atan(axis[1] / axis[0]); +angle[0] = (axis[2] != 0) ? (float) atan(axis[1] / axis[2]) : 3.14/2.0; +angle[1] = (axis[0] != 0) ? (float) atan(axis[2] / axis[0]) : 3.14/2.0; +angle[2] = (axis[0] != 0) ? (float) atan(axis[1] / axis[0]) : 3.14/2.0; volts_max[0] = rnd_float(4.5, 5.5) * (float) sin(angle[1]); volts_max[1] = rnd_float(4.5, 5.5) * (float) cos(angle[0]);