jsuya pushed a commit to branch master.
http://git.enlightenment.org/core/efl.git/commit/?id=4a4525cb4bdc207611bca2d8b3997ddd9c7b908d
commit 4a4525cb4bdc207611bca2d8b3997ddd9c7b908d
Author: Wonki Kim <wonki_....@samsung.com>
Date: Thu Nov 21 17:43:42 2019 +0900
eina_matrix: replace cosf by cos to gain more accuracy
Summary:
cos function is much much more accurate than cosf.
this patch replaces cosf by cos to gain more accuracy.
Reviewers: cedric, jsuya, vtorri
Subscribers: vtorri, #reviewers, #committers
Tags: #efl
Differential Revision: https://phab.enlightenment.org/D10695
---
src/lib/eina/eina_matrix.c | 4 ++--
src/tests/eina/eina_test_matrix.c | 4 ++--
2 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/src/lib/eina/eina_matrix.c b/src/lib/eina/eina_matrix.c
index ad7cdb03ff..7c30d1e767 100644
--- a/src/lib/eina/eina_matrix.c
+++ b/src/lib/eina/eina_matrix.c
@@ -551,8 +551,8 @@ eina_matrix3_rotate(Eina_Matrix3 *m, double rad)
* Later we would want someone to look at this and improve accuracy.
*/
#if 1
- c = cosf(rad);
- s = sinf(rad);
+ c = cos(rad);
+ s = sin(rad);
#else
/* normalize the angle between -pi,pi */
rad = fmod(rad + M_PI, 2 * M_PI) - M_PI;
diff --git a/src/tests/eina/eina_test_matrix.c
b/src/tests/eina/eina_test_matrix.c
index ac3afa827f..2fa860c251 100644
--- a/src/tests/eina/eina_test_matrix.c
+++ b/src/tests/eina/eina_test_matrix.c
@@ -463,8 +463,8 @@ EFL_START_TEST(eina_matrix3_operations)
fail_if (!MATRIX3_CMP(m1.xx, m1.xy, m1.xz,
m1.yx, m1.yy, m1.yz,
m1.zx, m1.zy, m1.zz,
- cosf(rotate_radian), -sinf(rotate_radian), 0,
- sinf(rotate_radian), cosf(rotate_radian), 0,
+ cos(rotate_radian), -sin(rotate_radian), 0,
+ sin(rotate_radian), cos(rotate_radian), 0,
0, 0, 1));
eina_matrix3_values_set(&m1,
--
