Synopsis

double gdx_GetMatrixDeterminant(GDX_MATRIX matrix)

Purpose

Computes the determinant of the 3x3 portion of a GDX_MATRIX

Description

Computes the determinant of the 3x3 portion of a GDX_MATRIX

Input

matrix

The matrix whose determinant is to be computed (3X4 as a linear array of values).

Return

The value of the determinant