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authorJoe Hunkeler <jhunkeler@gmail.com>2015-08-11 16:51:37 -0400
committerJoe Hunkeler <jhunkeler@gmail.com>2015-08-11 16:51:37 -0400
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+.help gsgcoeff Aug85 "Gsurfit Package"
+.ih
+NAME
+gsgcoeff -- Procedure to fetch a coefficient
+.ih
+SYNOPSIS
+rval = gsgcoeff (sf, xorder, yorder)
+
+.nf
+ pointer sf # surface descriptor
+ int xorder # x order of desired coefficient
+ int yorder # y order of desired coefficient
+.fi
+.ih
+ARGUMENTS
+.ls sf
+Pointer to the surface descriptor.
+.le
+.ls xorder, yorder
+The x and y order of the desired coefficient.
+.le
+.ih
+DESCRIPTION
+GSGCOEFF fetches the coefficient of x ** (xorder - 1) * y ** (yorder - 1).
+INDEF is returned if xorder and yorder are out of range.
+.ih
+NOTES
+.ih
+SEE ALSO
+gsscoeff
+.endhelp