| private svd_rotateq_xy ( float &x, float &y, float &a, float c, float s ) : void | ||
| x | float | |
| y | float | |
| a | float | |
| c | float | |
| s | float | |
| return | void | |
void svd_rotateq_xy(ref float x, ref float y, ref float a, float c, float s)
{
float cc = c * c; float ss = s * s;
float mx = 2.0f * c * s * a;
float u = x; float v = y;
x = cc * u - mx + ss * v;
y = ss * u + mx + cc * v;
}
