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Short helpfile for action TD_GENERALIZED_NORMAL
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The following options are available

          SHIFT_TO_ZERO - ( default=off ) Shift the minimum value of the target 
                          distribution to zero. This can for example be used to avoid negative 
                          values in the target distribution. If this option is active the 
                          distribution will be automatically normalized. 
              NORMALIZE - ( default=off ) Renormalized the target distribution over 
                          the intervals on which it is defined to make sure that it is 
                          properly normalized to 1. In most cases this should not be needed as 
                          the target distributions should be normalized. The code will 
                          issue a warning (but still run) if this is needed for some 
                          reason. 
                 CENTER - The center of each generalized normal distribution. You can 
                          use multiple instances of this keyword i.e. CENTER1, CENTER2, 
                          CENTER3... 
                  ALPHA - The alpha parameters for each generalized normal 
                          distribution. You can use multiple instances of this keyword i.e. ALPHA1, 
                          ALPHA2, ALPHA3... 
                   BETA - The beta parameters for each generalized normal 
                          distribution. You can use multiple instances of this keyword i.e. BETA1, 
                          BETA2, BETA3... 
                WEIGHTS - The weights of the generalized normal distribution. By 
                          default all are weighted equally. 
    WELLTEMPERED_FACTOR - Broaden the target distribution such that it is taken as 
                          [p(s)]^(1/\f$\gamma\f$) where \f$\gamma\f$ is the well tempered factor given here. 


