Changeset bc3953 for molecuilder/src/vector.cpp

Timestamp:

Aug 20, 2009, 3:40:49 PM (16 years ago)

Author:

Saskia Metzler <metzler@…>

Children:

2aea0b, 390a2b

Parents:

6c6d84

Message:

Ticket 17: Write new function molecule::CopyMoleculeFromSubRegion()

File:

• molecuilder/src/vector.cpp (modified) (1 diff)

molecuilder/src/vector.cpp

@@ -1221 +1221 @@
   return true;
 };
+
+/**
+ * Checks whether this vector is within the parallelepiped defined by the given three vectors and
+ * their offset.
+ *
+ * @param offest for the origin of the parallelepiped
+ * @param three vectors forming the matrix that defines the shape of the parallelpiped
+ */
+bool Vector::IsInParallelepiped(Vector offset, double *parallelepiped)
+{
+  Vector a;
+  a.CopyVector(this);
+  a.SubtractVector(&offset);
+  a.InverseMatrixMultiplication(parallelepiped);
+  bool isInside = true;
+
+  for (int i=NDIM;i--;)
+    isInside = isInside && ((a.x[i] <= 1) && (a.x[i] >= 0));
+
+  return isInside;
+}