meshi.geometry
Class QuickAndDirtyTorsion

java.lang.Object
  meshi.geometry.Torsion
      meshi.geometry.QuickAndDirtyTorsion

All Implemented Interfaces:

Updateable

public class QuickAndDirtyTorsion
extends Torsion

Allows the use of approximated arc-cos function. The use of the standard Math.acos function is the default.

Field Summary

Fields inherited from class meshi.geometry.Torsion

a0x, a0y, a0z, a1x, a1y, a1z, a2x, a2y, a2z, aa, ab, ac, atom1, atom2, atom3, atom4, aux1, aux2, aux3, aux4, ax, ay, az, b0x, b0y, b0z, b1x, b1y, b1z, b2x, b2y, b2z, bb, bc, bx, by, bz, c0x, c0y, c0z, cc, co1, cosTorsion, cross123x, cross123y, cross123z, cross234x, cross234y, cross234z, cx, cy, cz, dCosTorsionDx1, dCosTorsionDx2, dCosTorsionDx3, dCosTorsionDx4, dCosTorsionDy1, dCosTorsionDy2, dCosTorsionDy3, dCosTorsionDy4, dCosTorsionDz1, dCosTorsionDz2, dCosTorsionDz3, dCosTorsionDz4, den, distance1, distance2, distance3, distanceMatrix, dTorsionDx1, dTorsionDx2, dTorsionDx3, dTorsionDx4, dTorsionDy1, dTorsionDy2, dTorsionDy3, dTorsionDy4, dTorsionDz1, dTorsionDz2, dTorsionDz3, dTorsionDz4, dx1, dy1, dz1, factor1, factor4, invBB, normCross123squared, normCross234squared, sinSign, tmpSQRT, torsion, torsionCode, torsionName, torsionResName, torsionResNum, uu, uu2, uv, ux, uy, uz, vv, vv2, vx, vy, vz

Constructor Summary

QuickAndDirtyTorsion(Angle angle1, Angle angle2, DistanceMatrix distanceMatrix)

Method Summary

double

acos(double cos) An approximated fast arc-cos function that uses the ArcCos class.

Methods inherited from class meshi.geometry.Torsion

assignName, atoms, cosTorsion, dCosTorsionDx1, dCosTorsionDx2, dCosTorsionDx3, dCosTorsionDx4, dCosTorsionDy1, dCosTorsionDy2, dCosTorsionDy3, dCosTorsionDy4, dCosTorsionDz1, dCosTorsionDz2, dCosTorsionDz3, dCosTorsionDz4, dot, dTorsionDx1, dTorsionDx2, dTorsionDx3, dTorsionDx4, dTorsionDy1, dTorsionDy2, dTorsionDy3, dTorsionDy4, dTorsionDz1, dTorsionDz2, dTorsionDz3, dTorsionDz4, equivalent, freeze, frozen, getTorsionCode, getTorsionName, getTorsionResName, getTorsionResNum, name, proper, torsion, toString, update, update, updateCosine

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

QuickAndDirtyTorsion

public QuickAndDirtyTorsion(Angle angle1,
                            Angle angle2,
                            DistanceMatrix distanceMatrix)

Method Detail

acos

public double acos(double cos)

An approximated fast arc-cos function that uses the ArcCos class. Note that the static method ArcCos.useFastArcCos() should be called in order for the approximation to take affect. Standard Math.acos is the DEFAULT

Overrides:

acos in class Torsion