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# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
include "surfitdef.h"
# ISFREE -- Procedure to free the surface descriptor
procedure isfree (sf)
pointer sf # pointer to the surface descriptor
errchk mfree
begin
# free arrays in memory
# first the basis functions
if (SF_XBASIS(sf) != NULL)
call mfree (SF_XBASIS(sf), MEM_TYPE)
if (SF_XLEFT(sf) != NULL)
call mfree (SF_XLEFT(sf), TY_INT)
if (SF_YBASIS(sf) != NULL)
call mfree (SF_YBASIS(sf), MEM_TYPE)
if (SF_YLEFT(sf) != NULL)
call mfree (SF_YLEFT(sf), TY_INT)
# next the x and y matrices
if (SF_XMATRIX(sf) != NULL)
call mfree (SF_XMATRIX(sf), MEM_TYPE)
if (SF_YMATRIX(sf) != NULL)
call mfree (SF_YMATRIX(sf), MEM_TYPE)
# last the coefficient matrices
if (SF_XCOEFF(sf) != NULL)
call mfree (SF_XCOEFF(sf), MEM_TYPE)
if (SF_COEFF(sf) != NULL)
call mfree (SF_COEFF(sf), MEM_TYPE)
if (SF_WZ(sf) != NULL)
call mfree (SF_WZ(sf), MEM_TYPE)
if (SF_TLEFT(sf) != NULL)
call mfree (SF_TLEFT(sf), TY_INT)
# free surface descriptor
if (sf != NULL)
call mfree (sf, TY_STRUCT)
end
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