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.TH AGAUSS 3M
.SH NAME
agauss 
.SH DESCRIPTION
function agauss.f

source
  Bevington, page 48.

purpose
  evaluate integral of Gaussian probability function

usage
  result = agauss (x, averag, sigma)

description of parameters
  x      - limit for integral
  averag - mean of distribution
  sigma  - standard deviation of distribution
    integration range is averag +/- z*sigma
      where z = abs(x-averag)/sigma

subroutines and function subprograms required
  none