wisnu pamungkas / DCM

dcm

Matrix.cpp@0:2b4ec92bff8b, 2014-02-20 (annotated)

Committer:
wisnup
Date:
Thu Feb 20 04:07:36 2014 +0000
Revision:
0:2b4ec92bff8b
dcm

Who changed what in which revision?

UserRevisionLine numberNew contents of line
wisnup 0:2b4ec92bff8b 1 void Vector_Cross_Product(float C[3], float A[3], float B[3])
wisnup 0:2b4ec92bff8b 2 {
wisnup 0:2b4ec92bff8b 3 C[0] = (A[1] * B[2]) - (A[2] * B[1]);
wisnup 0:2b4ec92bff8b 4 C[1] = (A[2] * B[0]) - (A[0] * B[2]);
wisnup 0:2b4ec92bff8b 5 C[2] = (A[0] * B[1]) - (A[1] * B[0]);
wisnup 0:2b4ec92bff8b 6
wisnup 0:2b4ec92bff8b 7 return;
wisnup 0:2b4ec92bff8b 8 }
wisnup 0:2b4ec92bff8b 9
wisnup 0:2b4ec92bff8b 10 void Vector_Scale(float C[3], float A[3], float b)
wisnup 0:2b4ec92bff8b 11 {
wisnup 0:2b4ec92bff8b 12 for (int m = 0; m < 3; m++)
wisnup 0:2b4ec92bff8b 13 C[m] = A[m] * b;
wisnup 0:2b4ec92bff8b 14
wisnup 0:2b4ec92bff8b 15 return;
wisnup 0:2b4ec92bff8b 16 }
wisnup 0:2b4ec92bff8b 17
wisnup 0:2b4ec92bff8b 18 float Vector_Dot_Product(float A[3], float B[3])
wisnup 0:2b4ec92bff8b 19 {
wisnup 0:2b4ec92bff8b 20 float result = 0.0;
wisnup 0:2b4ec92bff8b 21
wisnup 0:2b4ec92bff8b 22 for (int i = 0; i < 3; i++) {
wisnup 0:2b4ec92bff8b 23 result += A[i] * B[i];
wisnup 0:2b4ec92bff8b 24 }
wisnup 0:2b4ec92bff8b 25
wisnup 0:2b4ec92bff8b 26 return result;
wisnup 0:2b4ec92bff8b 27 }
wisnup 0:2b4ec92bff8b 28
wisnup 0:2b4ec92bff8b 29 void Vector_Add(float C[3], float A[3], float B[3])
wisnup 0:2b4ec92bff8b 30 {
wisnup 0:2b4ec92bff8b 31 for (int m = 0; m < 3; m++)
wisnup 0:2b4ec92bff8b 32 C[m] = A[m] + B[m];
wisnup 0:2b4ec92bff8b 33
wisnup 0:2b4ec92bff8b 34 return;
wisnup 0:2b4ec92bff8b 35 }
wisnup 0:2b4ec92bff8b 36
wisnup 0:2b4ec92bff8b 37 void Vector_Add(float C[3][3], float A[3][3], float B[3][3])
wisnup 0:2b4ec92bff8b 38 {
wisnup 0:2b4ec92bff8b 39 for (int m = 0; m < 3; m++)
wisnup 0:2b4ec92bff8b 40 for (int n = 0; n < 3; n++)
wisnup 0:2b4ec92bff8b 41 C[m][n] = A[m][n] + B[m][n];
wisnup 0:2b4ec92bff8b 42 }
wisnup 0:2b4ec92bff8b 43
wisnup 0:2b4ec92bff8b 44 void Matrix_Multiply(float C[3][3], float A[3][3], float B[3][3])
wisnup 0:2b4ec92bff8b 45 {
wisnup 0:2b4ec92bff8b 46 for (int i = 0; i < 3; i++) {
wisnup 0:2b4ec92bff8b 47 for (int j = 0; j < 3; j++) {
wisnup 0:2b4ec92bff8b 48 C[i][j] = 0;
wisnup 0:2b4ec92bff8b 49 for (int k = 0; k < 3; k++) {
wisnup 0:2b4ec92bff8b 50 C[i][j] += A[i][k] * B[k][j];
wisnup 0:2b4ec92bff8b 51 }
wisnup 0:2b4ec92bff8b 52 }
wisnup 0:2b4ec92bff8b 53 }
wisnup 0:2b4ec92bff8b 54 }