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divide only when required

pull/1/head
Bob-the-Kuhn 7 years ago
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1 changed files with 2 additions and 1 deletions
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  1. 1
      Marlin/src/module/planner.cpp

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Marlin/src/module/planner.cpp
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@ -1092,6 +1092,7 @@ void Planner::_buffer_steps(const int32_t (&target)[XYZE], float fr_mm_s, const
float max_stepper_speed = 0, min_axis_accel_ratio = 1; // ratio < 1 means acceleration ramp needed float max_stepper_speed = 0, min_axis_accel_ratio = 1; // ratio < 1 means acceleration ramp needed
LOOP_XYZE(i) { LOOP_XYZE(i) {
const float cs = FABS((current_speed[i] = delta_mm[i] * inverse_secs)); const float cs = FABS((current_speed[i] = delta_mm[i] * inverse_secs));
if (cs > max_jerk[i])
NOMORE(min_axis_accel_ratio, max_jerk[i] / cs); NOMORE(min_axis_accel_ratio, max_jerk[i] / cs);
NOLESS(max_stepper_speed, cs); NOLESS(max_stepper_speed, cs);
#if ENABLED(DISTINCT_E_FACTORS) #if ENABLED(DISTINCT_E_FACTORS)

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