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Reduce division in JD calc (#17945)

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XDA-Bam 2020-05-11 04:23:51 +02:00 committed by GitHub
parent fcd1678a17
commit e22e0763d9
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1 changed files with 6 additions and 2 deletions
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Marlin/src/module/planner.h
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@ -910,8 +910,12 @@ class Planner {
FORCE_INLINE static float limit_value_by_axis_maximum(const float &max_value, xyze_float_t &unit_vec) { FORCE_INLINE static float limit_value_by_axis_maximum(const float &max_value, xyze_float_t &unit_vec) {
float limit_value = max_value; float limit_value = max_value;
LOOP_XYZE(idx) if (unit_vec[idx]) // Avoid divide by zero LOOP_XYZE(idx) {
NOMORE(limit_value, ABS(settings.max_acceleration_mm_per_s2[idx] / unit_vec[idx])); if (unit_vec[idx]) {
if (limit_value * ABS(unit_vec[idx]) > settings.max_acceleration_mm_per_s2[idx])
limit_value = ABS(settings.max_acceleration_mm_per_s2[idx] / unit_vec[idx]);
}
}
return limit_value; return limit_value;
} }