3dMath/main.cpp

#include "GMath.h"
#include "CArrayBuffer.h"
#include "CDataView.h"
#include "CFloat32Array.h"

int main() {

	/*
	matrix P = ��p1, p2, p3, ......, pn��
	matrix A;
	A * P = (A*p1, A*p2, A*p3, ......, A*pn)
	*/
	float a[] = {
		3, -1, 0,
		4, -1, 0,
		-1, 0, 0
	};
	GMatrix A(3, 3, a);

	float p[] = {
		1, 2, 3,
		1, 2, 3,
		1, 2, 3
	};
	GMatrix P(3, 3, p);

	//ģ��P�����ĵڶ���
	float x[] = {
		2,
		2,
		2
	};
	GMatrix X(3, 1, x);

	cout << A * P << endl;
	cout << A * X << endl;

	/*
	matrix P = ��p1, p2, p3, ......, pn��
	vector v = ��v1, v2, v3, ......, vn��

	P * V = (p1 * v1) + (p2 * v2) + (p3 * v3) + ...... + (pn * vn)
	*/
	GVector c1 = A.GetColVec(0);
	GVector c2 = A.GetColVec(1);
	GVector c3 = A.GetColVec(2);

	GVector ret = c1 * X[0][0] + c2 * X[1][0] + c3 * X[2][0];
	cout << ret << endl;
	

  	return 0;
}