Changes in src/vector.cpp [d4c9ae:ccf826]
- File:
-
- 1 edited
-
src/vector.cpp (modified) (5 diffs)
Legend:
- Unmodified
- Added
- Removed
-
src/vector.cpp
rd4c9ae rccf826 213 213 { 214 214 Vector tmp; 215 tmp[0] = x[1]* (y[2]) - x[2]* (y[1]);216 tmp[1] = x[2]* (y[0]) - x[0]* (y[2]);217 tmp[2] = x[0]* (y[1]) - x[1]* (y[0]);215 tmp[0] = x[1]* y[2] - x[2]* y[1]; 216 tmp[1] = x[2]* y[0] - x[0]* y[2]; 217 tmp[2] = x[0]* y[1] - x[1]* y[0]; 218 218 (*this) = tmp; 219 219 }; … … 232 232 *this -= tmp; 233 233 }; 234 235 /** Calculates the minimum distance vector of this vector to the plane.236 * \param *out output stream for debugging237 * \param *PlaneNormal normal of plane238 * \param *PlaneOffset offset of plane239 * \return distance to plane240 * \return distance vector onto to plane241 */242 Vector Vector::GetDistanceVectorToPlane(const Vector &PlaneNormal, const Vector &PlaneOffset) const243 {244 Vector temp = (*this) - PlaneOffset;245 temp.MakeNormalTo(PlaneNormal);246 temp.Scale(-1.);247 // then add connecting vector from plane to point248 temp += (*this)-PlaneOffset;249 double sign = temp.ScalarProduct(PlaneNormal);250 if (fabs(sign) > MYEPSILON)251 sign /= fabs(sign);252 else253 sign = 0.;254 255 temp.Normalize();256 temp.Scale(sign);257 return temp;258 };259 260 234 261 235 /** Calculates the minimum distance of this vector to the plane. … … 551 525 MatrixMultiplication(M); 552 526 }; 527 528 std::pair<Vector,Vector> Vector::partition(const Vector &rhs) const{ 529 double factor = ScalarProduct(rhs)/rhs.NormSquared(); 530 Vector res= factor * rhs; 531 return make_pair(res,(*this)-res); 532 } 533 534 std::pair<pointset,Vector> Vector::partition(const pointset &points) const{ 535 Vector helper = *this; 536 pointset res; 537 for(pointset::const_iterator iter=points.begin();iter!=points.end();++iter){ 538 pair<Vector,Vector> currPart = helper.partition(*iter); 539 res.push_back(currPart.first); 540 helper = currPart.second; 541 } 542 return make_pair(res,helper); 543 } 553 544 554 545 /** Do a matrix multiplication. … … 611 602 }; 612 603 613 /** Mirrors atom against a given plane.614 * \param n[] normal vector of mirror plane.615 */616 void Vector::Mirror(const Vector &n)617 {618 double projection;619 projection = ScalarProduct(n)/n.NormSquared(); // remove constancy from n (keep as logical one)620 // withdraw projected vector twice from original one621 for (int i=NDIM;i--;)622 at(i) -= 2.*projection*n[i];623 };624 625 604 /** Calculates orthonormal vector to one given vectors. 626 605 * Just subtracts the projection onto the given vector from this vector. … … 633 612 bool result = false; 634 613 double factor = y1.ScalarProduct(*this)/y1.NormSquared(); 635 Vector x1; 636 x1 = factor * y1; 614 Vector x1 = factor * y1; 637 615 SubtractVector(x1); 638 616 for (int i=NDIM;i--;)
Note:
See TracChangeset
for help on using the changeset viewer.
