![[PukiWiki]](image/pukiwiki.png "[PukiWiki]")
|
Javascript ARM版V8の sin(0) にバグあり |
function sinD(degree) {
switch(degree % 360) {
case 0:
return 0.0;
case 90:
return 1.0;
case 270:
return -1.0;
default:
return Math.sin(Math.PI * degree / 180.0);
}
}
function cosD(degree) {
switch(degree % 360) {
case 0:
return 1.0;
case 180:
return -1.0;
default:
return Math.cos(Math.PI * degree / 180.0);
}
}
function tanD(degree) {
switch(degree % 360) {
case 0:
return 0.0;
default:
return Math.tan(Math.PI * degree / 180.0);
}
}
