EvtdFunction Class Reference

#include <EvtdFunction.hh>

Static Public Member Functions
static double	d (int j, int m1, int m2, double theta)

Detailed Description

Definition at line 24 of file EvtdFunction.hh.

Member Function Documentation

d()

double EvtdFunction::d ( int j, int m1, int m2, double theta )

static

Definition at line 29 of file EvtdFunction.cc.

                                                            {
 
  int m1p = m1;
  int m2p = m2;
 
  int signp = 1;
  // make |m2p|>|m1p|
  if ( abs( m2p ) < abs( m1p ) )
  {
    int tmp = m1p;
    m1p     = m2p;
    m2p     = tmp;
    if ( ( m1p - m2p ) % 4 != 0 ) signp = -signp;
  }
 
  // make m2p non-negative
  if ( m2p < 0 )
  {
    m1p = -m1p;
    m2p = -m2p;
    if ( ( m1p - m2p ) % 4 != 0 ) signp = -signp;
  }
 
  EvtdFunctionSingle df;
 
  df.init( j, m1p, m2p );
 
  double d = df.d( j, m1p, m2p, theta ) * signp;
 
  return d;
}

Referenced by EvtPto3PAmp::angDep(), d(), EvtHelSys::Djmn, EvtHelSys::Djmn, EvtHelSys::djmn, EvtHelSys::djmn, EvtEvalHelAmp::evalAmp(), EvtEvalHelAmp::probMax(), EvtHighSpinParticle::rotateToHelicityBasis(), and wignerD().

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The documentation for this class was generated from the following files:

• EvtdFunction.hh
• EvtdFunction.cc