arbpix	- Replace bad pixels in an array
	 arider	- Calculate derivatives for a few points in a 1-D array
        arieval	- Evaluate the interpolant at a few points in a 1-D array
         asider	- Evaluate derivatives at x 
	asieval	- Evaluate the interpolant at x
	 asifit	- Fit the 1-D interpolant
	asifree - Free space allocated by asiinit or asisinit
	asigeti - Fetch an integer parameter
	 asigrl	- Calculate the integral under an array
	asiinit - Initialize 1-D interpolant using default parameters
     asirestore - Restore interpolant parameters and coefficients
	asisave - Save interpolant parameters and coefficients
       asisinit - Initialize 1-D interpolant using user parameters
	asitype - Decode string into interpolant type and parameters
      asivector - Evaluate interpolant at an array of x

         mrider	- Calculate derivatives for a few points in a 2-D array
        mrieval	- Evaluate the interpolant at a few points in a 2-D array
         msider	- Evaluate derivatives at x and y
        msieval	- Evaluate the interpolant at x and y
         msifit	- Fit the 2-D interpolant
        msifree	- Free space allocated by msiinit or msisinit
	msigeti - Fetch an integer parameter
	msigetr - Fetch a real parameter
         msigrl	- Calculate the integral inside a polygon
        msiinit	- Initialize the 2-D interpolant using default parameters
     msirestore	- Restore interpolant parameters and coefficients
        msisave	- Save 2-D interpolant parameters and coefficients
       msisinit	- Initialize the 2-D interpolant using user parameters
       msisqgrl - Calculate the integral inside a rectangle
	msitype - Decode string into interpolant type and parameters
      msivector - Evaluate interpolant at an array of x and y