#include <Ninja.h>

void njInvertMatrix(*m)
NJS_MATRIX *m

NJS_MATRIX stack[10];
NJS_VIEW view;
NJS_VECTOR v;

v.x = 0.5f;
v.y = 1.f;
v.z = 2.f;
njInitMatrix(stack, 10);
njInitView(&view);
njSetView(&view);
njClearMatrix();
njPushMatrix(NULL);
njInvertMatrix(NULL);
njPopMatrix(1);

[M] = [M]^-1

と、なります。