Files
2026-07-27 14:50:01 +08:00

134 lines
2.6 KiB
C

/***********************************************************************
** Copyright (C) 2019 LP-Research
** All rights reserved.
** Contact: LP-Research (info@lp-research.com)
***********************************************************************/
#include "LpMatrix.h"
void createIdentity3x3(LpMatrix3x3f* dest)
{
matZero3x3(dest);
dest->data[0][0] = 1;
dest->data[1][1] = 1;
dest->data[2][2] = 1;
}
void createIdentity4x4(LpMatrix4x4f* dest)
{
matZero4x4(dest);
dest->data[0][0] = 1;
dest->data[1][1] = 1;
dest->data[2][2] = 1;
dest->data[3][3] = 1;
}
void matZero3x3(LpMatrix3x3f* dest)
{
dest->data[0][0] = 0;
dest->data[0][1] = 0;
dest->data[0][2] = 0;
dest->data[1][0] = 0;
dest->data[1][1] = 0;
dest->data[1][2] = 0;
dest->data[2][0] = 0;
dest->data[2][1] = 0;
dest->data[2][2] = 0;
}
void matZero3x4(LpMatrix3x4f* dest)
{
dest->data[0][0] = 0;
dest->data[0][1] = 0;
dest->data[0][2] = 0;
dest->data[0][3] = 0;
dest->data[1][0] = 0;
dest->data[1][1] = 0;
dest->data[1][2] = 0;
dest->data[1][3] = 0;
dest->data[2][0] = 0;
dest->data[2][1] = 0;
dest->data[2][2] = 0;
dest->data[2][3] = 0;
}
void matZero4x3(LpMatrix4x3f* dest)
{
dest->data[0][0] = 0;
dest->data[0][1] = 0;
dest->data[0][2] = 0;
dest->data[1][0] = 0;
dest->data[1][1] = 0;
dest->data[1][2] = 0;
dest->data[2][0] = 0;
dest->data[2][1] = 0;
dest->data[2][2] = 0;
dest->data[3][0] = 0;
dest->data[3][1] = 0;
dest->data[3][2] = 0;
}
void matZero4x4(LpMatrix4x4f* dest)
{
dest->data[0][0] = 0;
dest->data[0][1] = 0;
dest->data[0][2] = 0;
dest->data[0][3] = 0;
dest->data[1][0] = 0;
dest->data[1][1] = 0;
dest->data[1][2] = 0;
dest->data[1][3] = 0;
dest->data[2][0] = 0;
dest->data[2][1] = 0;
dest->data[2][2] = 0;
dest->data[2][3] = 0;
dest->data[3][0] = 0;
dest->data[3][1] = 0;
dest->data[3][2] = 0;
dest->data[3][3] = 0;
}
void vectZero3x1(LpVector3f* dest)
{
dest->data[0] = 0;
dest->data[1] = 0;
dest->data[2] = 0;
}
void vectZero4x1(LpVector4f* dest)
{
dest->data[0] = 0;
dest->data[1] = 0;
dest->data[2] = 0;
dest->data[3] = 0;
}
#ifdef __WIN32
#include "stdio.h"
void print4x4(LpMatrix4x4f m)
{
int i, j;
for (i = 0; i < 4; i++) {
for (j = 0; j < 4; j++) {
printf("%f, ", m.data[i][j]);
}
printf("\n");
}
}
#endif