bissen21/Marlin_Firmware
1
0
Fork 0
Code Issues Pull Requests Projects Releases 4 Wiki Activity

Use 'sq' macro where possible

Browse Source
This commit is contained in:
Scott Lahteine
2017-05-02 18:51:23 -05:00
parent 66eba3346b
commit b8ba3b7647
2 changed files with 7 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
Marlin/least_squares_fit.cpp
View File

@@ -66,12 +66,12 @@ int finish_incremental_LSF(struct linear_fit_data *lsf) {
lsf->xbar /= N;
lsf->ybar /= N;
lsf->zbar /= N;
lsf->x2bar = lsf->x2bar / N - lsf->xbar * lsf->xbar;
lsf->y2bar = lsf->y2bar / N - lsf->ybar * lsf->ybar;
lsf->z2bar = lsf->z2bar / N - lsf->zbar * lsf->zbar;
lsf->xybar = lsf->xybar / N - lsf->xbar * lsf->ybar;
lsf->yzbar = lsf->yzbar / N - lsf->ybar * lsf->zbar;
lsf->xzbar = lsf->xzbar / N - lsf->xbar * lsf->zbar;
lsf->x2bar = lsf->x2bar / N - sq(lsf->xbar);
lsf->y2bar = lsf->y2bar / N - sq(lsf->ybar);
lsf->z2bar = lsf->z2bar / N - sq(lsf->zbar);
lsf->xybar = lsf->xybar / N - sq(lsf->xbar);
lsf->yzbar = lsf->yzbar / N - sq(lsf->ybar);
lsf->xzbar = lsf->xzbar / N - sq(lsf->xbar);
const float DD = lsf->x2bar * lsf->y2bar - sq(lsf->xybar);
if (fabs(DD) <= 1e-10 * (lsf->max_absx + lsf->max_absy))

2
Marlin/vector_3.cpp
View File

@@ -63,7 +63,7 @@ vector_3 vector_3::get_normal() {
return normalized;
}
float vector_3::get_length() { return sqrt((x * x) + (y * y) + (z * z)); }
float vector_3::get_length() { return sqrt(sq(x) + sq(y) + sq(z)); }
void vector_3::normalize() {
const float inv_length = 1.0 / get_length();