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Tweak extrapolate_one_point

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This commit is contained in:
Scott Lahteine 2016-09-15 03:40:34 -05:00
parent 3c0b591935
commit b9d19b0008
1 changed files with 2 additions and 2 deletions
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4
Marlin/Marlin_main.cpp
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@ -2122,9 +2122,9 @@ static void clean_up_after_endstop_or_probe_move() {
#elif ENABLED(AUTO_BED_LEVELING_NONLINEAR)
/**
* All DELTA leveling in the Marlin uses NONLINEAR_BED_LEVELING
* Extrapolate a single point from its neighbors
*/
static void extrapolate_one_point(uint8_t x, uint8_t y, int xdir, int ydir) {
static void extrapolate_one_point(uint8_t x, uint8_t y, int8_t xdir, int8_t ydir) {
if (bed_level_grid[x][y]) return; // Don't overwrite good values.
float a = 2 * bed_level_grid[x + xdir][y] - bed_level_grid[x + xdir * 2][y], // Left to right.
b = 2 * bed_level_grid[x][y + ydir] - bed_level_grid[x][y + ydir * 2], // Front to back.