vector.c

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#include <custom_types.h>
 
void Vec3Add(int* result, int* a, int* b)
{
   int temp_a1 = a[1];
   int temp_a2 = a[2];
   int temp_b1 = b[1];
   int temp_b2 = b[2];
 
   result[0] = a[0] + b[0];
   result[1] = temp_a1 + temp_b1;
   result[2] = temp_a2 + temp_b2;
 
   return;
}
 
 
void Vec3Copy(int* dst, int* src)
{
  int temp_src1 = src[1];
  int temp_src2 = src[2];
 
  dst[0] = src[0];
  dst[1] = temp_src1;
  dst[2] = temp_src2;
 
  return;
}
 
void MatrixTranspose(uint* outputMatrix, uint* inputMatrix)
 
{
  uint A12;
  uint A23;
  uint A21;
  uint A31;
  uint A13;
  uint A23A22;
  uint A32;
  uint A33;
 
  uint B13;
  uint B32;
  
  A23A22 = inputMatrix[2];
  A12 = *inputMatrix & 0xffff0000;
  A21 = inputMatrix[1] & 0xffff0000;
  A13 = inputMatrix[1] ^ A21;
  B13 = A13 & 0xffff;
  A31 = inputMatrix[3] & 0xffff;
  A32 = inputMatrix[3] ^ A31;
  A23 = A23A22 & 0xffff0000;
  B32 = A32 & 0xffff0000;
  *outputMatrix = *inputMatrix ^ A12 | A21;
  outputMatrix[1] = (A13 | A12) ^ B13 | A31;
  outputMatrix[2] = A23A22 ^ A23 | B32;
  outputMatrix[3] = (A32 | B13) ^ B32 | A23;
  outputMatrix[4] = inputMatrix[4];
  return;
}
 
// void MatrixTranspose(unsigned int *outputMatrix, unsigned int *inputMatrix)
 
// {
 
//   *outputMatrix = (*inputMatrix & 0xffff) + (inputMatrix[1] & 0xffff0000);
//   outputMatrix[1] = (inputMatrix[3] & 0xffff) + (*inputMatrix & 0xffff0000);
//   outputMatrix[2] = (inputMatrix[2] & 0xffff) + (inputMatrix[3] & 0xffff0000);
//   outputMatrix[3] = (inputMatrix[1] & 0xffff) + (inputMatrix[2] & 0xffff0000);
//   outputMatrix[4] = inputMatrix[4];
//   return;
// }
 
 // end of reveresed_functions