Yuu Kobayashi / AOTTrigon

AOT計算で呼び出し自体を早くする三角関数

Dependents:   NuMidi401 NuFM401

Diff: AOTTrigon.cpp

Revision:
7:eed80268ab34
Parent:
6:fddf871eba15
Child:
9:d6153f6a5f75
--- a/AOTTrigon.cpp	Fri Dec 26 03:12:20 2014 +0000
+++ b/AOTTrigon.cpp	Mon Dec 29 02:33:50 2014 +0000
@@ -1,9 +1,9 @@
 #include "AOTTrigon.h"
 
-AOTTrigon::AOTTrigon(): pi(3.14159265358979323846264)
+AOTTrigon::AOTTrigon(): pi(3.14159265358979323846264f)
 {
-    rate = 256 / (pi * 2.0);
-    t_sin = new double[256];
+    rate = 256.0f / (pi * 2.0f);
+    t_sin = new float[256];
     for(int i = 0; i < 256; i++)
-        t_sin[i] = sin((double)i / 256.0 * (pi * 2.0));
+        t_sin[i] = (float)sin(i / 256.0 * (pi * 2.0));
 }