diff options
Diffstat (limited to 'include/math_util.h')
| -rw-r--r-- | include/math_util.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/math_util.h b/include/math_util.h index 044c411b23..6ae36a995b 100644 --- a/include/math_util.h +++ b/include/math_util.h @@ -8,7 +8,12 @@ #ifndef __CROS_MATH_UTIL_H #define __CROS_MATH_UTIL_H +#ifdef CONFIG_FPU typedef float matrix_3x3_t[3][3]; +#else +typedef int matrix_3x3_t[3][3]; +#endif + typedef int vector_3_t[3]; @@ -16,6 +21,7 @@ typedef int vector_3_t[3]; #define SQ(x) ((x) * (x)) #define ABS(x) ((x) >= 0 ? (x) : -(x)) +#ifdef CONFIG_FPU /** * Find acos(x) in degrees. Argument is clipped to [-1.0, 1.0]. @@ -36,6 +42,8 @@ float arc_cos(float x); */ float cosine_of_angle_diff(const vector_3_t v1, const vector_3_t v2); +#endif + /** * Rotate vector v by rotation matrix R. * |