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- #include "rsMatrix2x2.h"
- #include "rsMatrix3x3.h"
- #include "rsMatrix4x4.h"
- #include "stdlib.h"
- #include "string.h"
- #include "math.h"
- namespace android {
- namespace renderscript {
- void Matrix2x2::loadIdentity() {
- m[0] = 1.f;
- m[1] = 0.f;
- m[2] = 0.f;
- m[3] = 1.f;
- }
- void Matrix2x2::load(const float *v) {
- memcpy(m, v, sizeof(m));
- }
- void Matrix2x2::load(const rs_matrix2x2 *v) {
- memcpy(m, v->m, sizeof(m));
- }
- void Matrix2x2::loadMultiply(const rs_matrix2x2 *lhs, const rs_matrix2x2 *rhs) {
-
-
- Matrix2x2 temp;
- for (int i=0 ; i<2 ; i++) {
- float ri0 = 0;
- float ri1 = 0;
- for (int j=0 ; j<2 ; j++) {
- const float rhs_ij = ((const Matrix2x2 *)rhs)->get(i, j);
- ri0 += ((const Matrix2x2 *)lhs)->get(j, 0) * rhs_ij;
- ri1 += ((const Matrix2x2 *)lhs)->get(j, 1) * rhs_ij;
- }
- temp.set(i, 0, ri0);
- temp.set(i, 1, ri1);
- }
- load(&temp);
- }
- void Matrix2x2::transpose() {
- float temp = m[1];
- m[1] = m[2];
- m[2] = temp;
- }
- }
- }
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