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C++ API

usage:  int = quadc('Fun',xlow,xhigh)
or
        int = quadc('Fun',xlow,xhigh,tol)
or
        int = quadc('Fun',xlow,xhigh,tol,trace,p1,p2,....)

This function works just like QUAD or QUAD8 but uses a Gaussian-Chebyshev
quadrature integration scheme.

  The Gauss-Chebyshev Quadrature integrates an integral of the form
     xhigh
  Int ((1/sqrt(1-x^2)) fun(x)) dx
    -xhigh
This routine ignores xlow