shithub: qk1

ref: 4044c72c4298721bfb6a6121e9ff1e2b74a5ea85
dir: /dotproduct.c/

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float
DotProduct(float v1[3], float v2[3])
{
	return v1[0]*v2[0] + v1[1]*v2[1] + v1[2]*v2[2];
}