/* PURPOSE: (Matrix scaling) REFERENCE: ((See also: source file name)) ASSUMPTIONS AND LIMITATIONS: ((3x3 Matrix implementation)) PROGRAMMERS: (((Les Quiocho) (NASA/Johnson Space Center) (Jan 1990) (v1.0) (Init Release))) */ #include "trick/trick_math.h" void dm_scale(double prod[3][3], /* Out: Product of the two matrices */ double mat[3][3], /* In: Matrix */ double scalar) { /* In: Scalar multiplier */ prod[0][0] = mat[0][0] * scalar; prod[0][1] = mat[0][1] * scalar; prod[0][2] = mat[0][2] * scalar; prod[1][0] = mat[1][0] * scalar; prod[1][1] = mat[1][1] * scalar; prod[1][2] = mat[1][2] * scalar; prod[2][0] = mat[2][0] * scalar; prod[2][1] = mat[2][1] * scalar; prod[2][2] = mat[2][2] * scalar; return; }