Martin Gurtner
/
HKC_MiniCheetah
Important changes to repositories hosted on mbed.com
Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.
To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.
It is also possible to export all your personal repositories from the account settings page.
Diff: FastMath/FastMath.cpp
- Revision:
- 0:4e1c4df6aabd
- Child:
- 20:bf9ea5125d52
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/FastMath/FastMath.cpp Fri Feb 05 00:52:53 2016 +0000
@@ -0,0 +1,14 @@
+#include "FastMath.h"
+#include "LUT.h"
+
+const float Multiplier = 81.4873308631f;
+
+float FastMath::FastSin(float theta){
+ if (theta < 0.0f) theta += 6.28318530718f;
+ if (theta >= 6.28318530718f) theta -= 6.28318530718f;
+ return SinTable[(int) (Multiplier*theta)] ;
+ }
+
+float FastMath::FastCos(float theta){
+ return FastSin(1.57079632679f - theta);
+ }
\ No newline at end of file