dot

float  dot(vector2 a, vector2 b)

float  dot(vector a, vector b)

float  dot(vector4 a, vector4 b)

float  dot(vector a, vector4 b)

float  dot(vector4 a, vector b)

float  dot(matrix2 a, matrix2 b)

float  dot(matrix3 a, matrix3 b)

float  dot(matrix a, matrix b)

Returns the dot product of the arguments.

When dotting a vector with a vector4, only the first three components are used.

float  dot(<type>a[], <type>b[])

int  dot(int a[], int b[])

Returns the sum of dot products i.e. dot(a, b) = dot(a[0], b[0]) + ... + dot(a[n-1], b[n-1]) where n = min(len(a), len(b)).