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-rw-r--r--pkg/images/imutil/src/generic/imaadd.x255
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diff --git a/pkg/images/imutil/src/generic/imaadd.x b/pkg/images/imutil/src/generic/imaadd.x
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+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+include <imhdr.h>
+
+
+# IMA_ADD -- Image arithmetic addition.
+
+procedure ima_adds (im_a, im_b, im_c, a, b)
+
+pointer im_a, im_b, im_c
+short a, b
+
+int len
+pointer im[3], buf[3]
+long v[IM_MAXDIM, 3]
+
+int ima_nls()
+
+begin
+ # Loop through all of the image lines.
+ im[1] = im_c
+ len = IM_LEN (im[1], 1)
+ call amovkl (long(1), v, 3 * IM_MAXDIM)
+
+ # If imagea is constant then read imageb and do a vector/scalar
+ # addition to imagec.
+ if (im_a == NULL) {
+ im[2] = im_b
+ while (ima_nls (im, buf, v, 2) != EOF) {
+ if (a == 0)
+ call amovs (Mems[buf[2]], Mems[buf[1]], len)
+ else
+ call aaddks (Mems[buf[2]], a, Mems[buf[1]], len)
+ }
+
+ # If imageb is constant then read imagea and do a vector/scalar
+ # addition to imagec.
+ } else if (im_b == NULL) {
+ im[2] = im_a
+ while (ima_nls (im, buf, v, 2) != EOF) {
+ if (b == 0)
+ call amovs (Mems[buf[2]], Mems[buf[1]], len)
+ else
+ call aaddks (Mems[buf[2]], b, Mems[buf[1]], len)
+ }
+
+ # Read imagea and imageb and do a vector addition into imagec.
+ } else {
+ im[2] = im_a
+ im[3] = im_b
+ while (ima_nls (im, buf, v, 3) != EOF)
+ call aadds (Mems[buf[2]], Mems[buf[3]], Mems[buf[1]], len)
+ }
+end
+
+# IMA_ADD -- Image arithmetic addition.
+
+procedure ima_addi (im_a, im_b, im_c, a, b)
+
+pointer im_a, im_b, im_c
+int a, b
+
+int len
+pointer im[3], buf[3]
+long v[IM_MAXDIM, 3]
+
+int ima_nli()
+
+begin
+ # Loop through all of the image lines.
+ im[1] = im_c
+ len = IM_LEN (im[1], 1)
+ call amovkl (long(1), v, 3 * IM_MAXDIM)
+
+ # If imagea is constant then read imageb and do a vector/scalar
+ # addition to imagec.
+ if (im_a == NULL) {
+ im[2] = im_b
+ while (ima_nli (im, buf, v, 2) != EOF) {
+ if (a == 0)
+ call amovi (Memi[buf[2]], Memi[buf[1]], len)
+ else
+ call aaddki (Memi[buf[2]], a, Memi[buf[1]], len)
+ }
+
+ # If imageb is constant then read imagea and do a vector/scalar
+ # addition to imagec.
+ } else if (im_b == NULL) {
+ im[2] = im_a
+ while (ima_nli (im, buf, v, 2) != EOF) {
+ if (b == 0)
+ call amovi (Memi[buf[2]], Memi[buf[1]], len)
+ else
+ call aaddki (Memi[buf[2]], b, Memi[buf[1]], len)
+ }
+
+ # Read imagea and imageb and do a vector addition into imagec.
+ } else {
+ im[2] = im_a
+ im[3] = im_b
+ while (ima_nli (im, buf, v, 3) != EOF)
+ call aaddi (Memi[buf[2]], Memi[buf[3]], Memi[buf[1]], len)
+ }
+end
+
+# IMA_ADD -- Image arithmetic addition.
+
+procedure ima_addl (im_a, im_b, im_c, a, b)
+
+pointer im_a, im_b, im_c
+long a, b
+
+int len
+pointer im[3], buf[3]
+long v[IM_MAXDIM, 3]
+
+int ima_nll()
+
+begin
+ # Loop through all of the image lines.
+ im[1] = im_c
+ len = IM_LEN (im[1], 1)
+ call amovkl (long(1), v, 3 * IM_MAXDIM)
+
+ # If imagea is constant then read imageb and do a vector/scalar
+ # addition to imagec.
+ if (im_a == NULL) {
+ im[2] = im_b
+ while (ima_nll (im, buf, v, 2) != EOF) {
+ if (a == 0)
+ call amovl (Meml[buf[2]], Meml[buf[1]], len)
+ else
+ call aaddkl (Meml[buf[2]], a, Meml[buf[1]], len)
+ }
+
+ # If imageb is constant then read imagea and do a vector/scalar
+ # addition to imagec.
+ } else if (im_b == NULL) {
+ im[2] = im_a
+ while (ima_nll (im, buf, v, 2) != EOF) {
+ if (b == 0)
+ call amovl (Meml[buf[2]], Meml[buf[1]], len)
+ else
+ call aaddkl (Meml[buf[2]], b, Meml[buf[1]], len)
+ }
+
+ # Read imagea and imageb and do a vector addition into imagec.
+ } else {
+ im[2] = im_a
+ im[3] = im_b
+ while (ima_nll (im, buf, v, 3) != EOF)
+ call aaddl (Meml[buf[2]], Meml[buf[3]], Meml[buf[1]], len)
+ }
+end
+
+# IMA_ADD -- Image arithmetic addition.
+
+procedure ima_addr (im_a, im_b, im_c, a, b)
+
+pointer im_a, im_b, im_c
+real a, b
+
+int len
+pointer im[3], buf[3]
+long v[IM_MAXDIM, 3]
+
+int ima_nlr()
+
+begin
+ # Loop through all of the image lines.
+ im[1] = im_c
+ len = IM_LEN (im[1], 1)
+ call amovkl (long(1), v, 3 * IM_MAXDIM)
+
+ # If imagea is constant then read imageb and do a vector/scalar
+ # addition to imagec.
+ if (im_a == NULL) {
+ im[2] = im_b
+ while (ima_nlr (im, buf, v, 2) != EOF) {
+ if (a == 0.0)
+ call amovr (Memr[buf[2]], Memr[buf[1]], len)
+ else
+ call aaddkr (Memr[buf[2]], a, Memr[buf[1]], len)
+ }
+
+ # If imageb is constant then read imagea and do a vector/scalar
+ # addition to imagec.
+ } else if (im_b == NULL) {
+ im[2] = im_a
+ while (ima_nlr (im, buf, v, 2) != EOF) {
+ if (b == 0.0)
+ call amovr (Memr[buf[2]], Memr[buf[1]], len)
+ else
+ call aaddkr (Memr[buf[2]], b, Memr[buf[1]], len)
+ }
+
+ # Read imagea and imageb and do a vector addition into imagec.
+ } else {
+ im[2] = im_a
+ im[3] = im_b
+ while (ima_nlr (im, buf, v, 3) != EOF)
+ call aaddr (Memr[buf[2]], Memr[buf[3]], Memr[buf[1]], len)
+ }
+end
+
+# IMA_ADD -- Image arithmetic addition.
+
+procedure ima_addd (im_a, im_b, im_c, a, b)
+
+pointer im_a, im_b, im_c
+double a, b
+
+int len
+pointer im[3], buf[3]
+long v[IM_MAXDIM, 3]
+
+int ima_nld()
+
+begin
+ # Loop through all of the image lines.
+ im[1] = im_c
+ len = IM_LEN (im[1], 1)
+ call amovkl (long(1), v, 3 * IM_MAXDIM)
+
+ # If imagea is constant then read imageb and do a vector/scalar
+ # addition to imagec.
+ if (im_a == NULL) {
+ im[2] = im_b
+ while (ima_nld (im, buf, v, 2) != EOF) {
+ if (a == 0.0D0)
+ call amovd (Memd[buf[2]], Memd[buf[1]], len)
+ else
+ call aaddkd (Memd[buf[2]], a, Memd[buf[1]], len)
+ }
+
+ # If imageb is constant then read imagea and do a vector/scalar
+ # addition to imagec.
+ } else if (im_b == NULL) {
+ im[2] = im_a
+ while (ima_nld (im, buf, v, 2) != EOF) {
+ if (b == 0.0D0)
+ call amovd (Memd[buf[2]], Memd[buf[1]], len)
+ else
+ call aaddkd (Memd[buf[2]], b, Memd[buf[1]], len)
+ }
+
+ # Read imagea and imageb and do a vector addition into imagec.
+ } else {
+ im[2] = im_a
+ im[3] = im_b
+ while (ima_nld (im, buf, v, 3) != EOF)
+ call aaddd (Memd[buf[2]], Memd[buf[3]], Memd[buf[1]], len)
+ }
+end
+
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