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 /common/math_util.c | |
| 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 'common/math_util.c')
| -rw-r--r-- | common/math_util.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/common/math_util.c b/common/math_util.c index 83bfc6cdfb..56688283f4 100644 --- a/common/math_util.c +++ b/common/math_util.c @@ -14,6 +14,7 @@ #define COSINE_LUT_INCR_DEG 5 #define COSINE_LUT_SIZE ((180 / COSINE_LUT_INCR_DEG) + 1) +#ifdef CONFIG_FPU /* Lookup table for the value of cosine from 0 degrees to 180 degrees. */ static const float cos_lut[] = { 1.00000, 0.99619, 0.98481, 0.96593, 0.93969, @@ -83,6 +84,7 @@ float cosine_of_angle_diff(const vector_3_t v1, const vector_3_t v2) return (float)dotproduct / (denominator); } +#endif /* * rotate a vector v |