diff options
Diffstat (limited to 'libsensors/orientationd/vector.c')
-rw-r--r-- | libsensors/orientationd/vector.c | 61 |
1 files changed, 0 insertions, 61 deletions
diff --git a/libsensors/orientationd/vector.c b/libsensors/orientationd/vector.c deleted file mode 100644 index ee8ba49..0000000 --- a/libsensors/orientationd/vector.c +++ /dev/null @@ -1,61 +0,0 @@ -/* - * Copyright (C) 2013 Paul Kocialkowski - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - */ - -#include <math.h> - -#include "orientationd.h" - -void vector_copy(vector *in, vector *out) -{ - out->x = in->x; - out->y = in->y; - out->z = in ->z; -} - -void vector_add(vector *v, vector *a) -{ - v->x += a->x; - v->y += a->y; - v->z += a->z; -} - -void vector_multiply(vector *v, float k) -{ - v->x *= k; - v->y *= k; - v->z *= k; -} - -void vector_cross(vector *v, vector *c, vector *out) -{ - struct vector t; - - t.x = v->x * c->z - v->z * c->y; - t.y = v->z * c->x - v->x * c->z; - t.y = v->y * c->y - v->y * c->x; - vector_copy(&t, out); -} - -float vector_scalar(vector *v, vector *d) -{ - return v->x * d->x + v->y * d->y + v->z * d->z; -} - -float vector_length(vector *v) -{ - return sqrtf(vector_scalar(v, v)); -} |