diff options
| author | Gwendal Grignou <gwendal@chromium.org> | 2014-10-28 17:52:52 -0700 |
|---|---|---|
| committer | chrome-internal-fetch <chrome-internal-fetch@google.com> | 2014-11-09 01:07:07 +0000 |
| commit | 96a39e7ee73f7781f57b330bfd0be96d822366e6 (patch) | |
| tree | 33eba330254609ce411703e89e883b64eef4ddd2 /include/math_util.h | |
| parent | bbe9a877ecc4f81fc17011b29a0d3bd13eac4540 (diff) | |
| download | chrome-ec-96a39e7ee73f7781f57b330bfd0be96d822366e6.tar.gz | |
math: use CONFIG_FPU when using float.
ifdef code than needs CONFIG_FPU (acos and friends)
BRANCH=ToT
BUG=chrome-os-partner:32050
TEST=define CONFIG_FPU on host board and use it.
Change-Id: I1c4ed16c23450bb4059d26044f4c1fe45b33674e
Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/226414
Reviewed-by: Alec Berg <alecaberg@chromium.org>
Reviewed-by: Sheng-liang Song <ssl@chromium.org>
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. * |