Matrix.h

00001 #ifndef __MATRIX_H
00002 #define __MATRIX_H
00003 
00004 /** Take cross product of two 3x1 vectors: v1 x v2 = vectorOut
00005  * @param v1 is the first vector
00006  * @param v2 is the second vector
00007  * @returns vectorOut = v1 x v2
00008  */
00009 void Vector_Cross_Product(float vectorOut[3], float v1[3], float v2[3]);
00010 
00011 /** Multiple 3x1 vector by scalar: vectorOut = vectorIn times scale2
00012  * @param vectorIn the vector
00013  * @param scale2 is the scalar
00014  * @returns vectorOut the result
00015  */
00016 void Vector_Scale(float vectorOut[3], float vectorIn[3], float scale2);
00017 
00018 /** TDot product of two 3x1 vectors vector1 . vector2
00019  * @param vector1 is the first vector
00020  * @param vector2 is the second vector
00021  * @returns float result of dot product
00022  */
00023 float Vector_Dot_Product(float vector1[3], float vector2[3]);
00024 
00025 /** Adds two 3x1 vectors: vectorOut = vectorIn1 + vectorIn2
00026  * @param vectorIn1 is the first vector
00027  * @param vectorIn2 is the second vector
00028  * @returns vectorOut is the result of the addition
00029  */
00030 void Vector_Add(float vectorOut[3], float vectorIn1[3], float vectorIn2[3]);
00031 
00032 /** Multiplies two 3x3 matrices to get a third 3x3 matrix: c = ab
00033  * @param a is the first vector
00034  * @param b is the second vector
00035  * @returns c as the result of the mutliplication
00036  */
00037 void Matrix_Multiply(float c[3][3], float a[3][3], float b[3][3]);
00038 
00039 #endif