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SUBROUTINE DEM46 (NIN,NOUT)
C$ (DEM46 - Surface Fit)
C$ Program to test and plot the results of subroutine FITSF,
C$ which produces an interpolation of a grid of points defined
C$ on a surface. The algorithm has been published by H. Akima
C$ in Comm. A.C.M. 17, 18-20 (1974). The test data defined in
C$ the arrays X(*), Y(*), and Z(*,*) below are taken from that
C$ paper, and the printed output from this program should
C$ agree with the test output published in the paper.
C$ (10-APR-82)