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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
commit40e5a5811c6ffce9b0974e93cdd927cbcf60c157 (patch)
tree4464880c571602d54f6ae114729bf62a89518057 /math/iminterp/msiinit.x
downloadiraf-osx-40e5a5811c6ffce9b0974e93cdd927cbcf60c157.tar.gz
Repatch (from linux) of OSX IRAF
Diffstat (limited to 'math/iminterp/msiinit.x')
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diff --git a/math/iminterp/msiinit.x b/math/iminterp/msiinit.x
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+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+include "im2interpdef.h"
+include <math/iminterp.h>
+
+# MSIINIT -- Procedure to initialize the sewquential 2D image interpolation
+# package. MSIINIT checks that the interpolant is one of the permitted
+# types and allocates space for the interpolant descriptor structure.
+# MSIINIT returns the pointer to the interpolant descriptor structure.
+
+procedure msiinit (msi, interp_type)
+
+pointer msi # pointer to the interpolant descriptor structure
+int interp_type # interpolant type
+
+int nconv
+errchk malloc
+
+begin
+ if (interp_type < 1 || interp_type > II_NTYPES2D) {
+ call error (0, "MSIINIT: Illegal interpolant.")
+ } else {
+ call calloc (msi, LEN_MSISTRUCT, TY_STRUCT)
+ MSI_TYPE(msi) = interp_type
+ switch (interp_type) {
+ case II_BILSINC:
+ MSI_NSINC(msi) = NSINC
+ MSI_NXINCR(msi) = NINCR
+ if (MSI_NXINCR(msi) > 1)
+ MSI_NXINCR(msi) = MSI_NXINCR(msi) + 1
+ MSI_NYINCR(msi) = NINCR
+ if (MSI_NYINCR(msi) > 1)
+ MSI_NYINCR(msi) = MSI_NYINCR(msi) + 1
+ MSI_XSHIFT(msi) = INDEFR
+ MSI_YSHIFT(msi) = INDEFR
+ nconv = 2 * MSI_NSINC(msi) + 1
+ call calloc (MSI_LTABLE(msi), nconv * MSI_NXINCR(msi) * nconv *
+ MSI_NYINCR(msi), TY_REAL)
+ call ii_bisinctable (LTABLE(MSI_LTABLE(msi)), nconv,
+ MSI_NXINCR(msi), MSI_NYINCR(msi), MSI_XSHIFT(msi),
+ MSI_YSHIFT(msi))
+ case II_BISINC:
+ MSI_NSINC(msi) = NSINC
+ MSI_NXINCR(msi) = 0
+ MSI_NYINCR(msi) = 0
+ MSI_XSHIFT(msi) = INDEFR
+ MSI_YSHIFT(msi) = INDEFR
+ MSI_LTABLE(msi) = NULL
+ case II_BIDRIZZLE:
+ MSI_NSINC(msi) = 0
+ MSI_NXINCR(msi) = 0
+ MSI_NYINCR(msi) = 0
+ MSI_XSHIFT(msi) = INDEFR
+ MSI_YSHIFT(msi) = INDEFR
+ MSI_XPIXFRAC(msi) = PIXFRAC
+ MSI_YPIXFRAC(msi) = PIXFRAC
+ MSI_LTABLE(msi) = NULL
+ default:
+ MSI_NSINC(msi) = 0
+ MSI_NXINCR(msi) = 0
+ MSI_NYINCR(msi) = 0
+ MSI_XSHIFT(msi) = INDEFR
+ MSI_YSHIFT(msi) = INDEFR
+ MSI_LTABLE(msi) = NULL
+ }
+ MSI_COEFF(msi) = NULL
+ MSI_BADVAL(msi) = BADVAL
+ }
+end