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RangeFinder: remove divide-by-zero possibility

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This commit is contained in:
Peter Barker 2018-03-31 16:25:03 +11:00 committed by Randy Mackay
parent f383cf91a2
commit c627ed6ae3
1 changed files with 2 additions and 1 deletions
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3
libraries/AP_RangeFinder/AP_RangeFinder_analog.cpp
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@ -104,8 +104,9 @@ void AP_RangeFinder_analog::update(void)
case RangeFinder::FUNCTION_HYPERBOLA:
if (v <= offset) {
dist_m = 0;
} else {
dist_m = scaling / (v - offset);
}
dist_m = scaling / (v - offset);
if (isinf(dist_m) || dist_m > _max_distance_cm * 0.01f) {
dist_m = _max_distance_cm * 0.01f;
}