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# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
include <imhdr.h>
# IMA_MIN -- Image arithmetic minimum value.
procedure ima_mins (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 the vector/scalar
# minimum to imagec.
if (im_a == NULL) {
im[2] = im_b
while (ima_nls (im, buf, v, 2) != EOF)
call aminks (Mems[buf[2]], a, Mems[buf[1]], len)
# If imageb is constant then read imagea and do the vector/scalar
# minimum to imagec.
} else if (im_b == NULL) {
im[2] = im_a
while (ima_nls (im, buf, v, 2) != EOF)
call aminks (Mems[buf[2]], b, Mems[buf[1]], len)
# Read imagea and imageb and do a vector-vector minimum operation
# to imagec.
} else {
im[2] = im_a
im[3] = im_b
while (ima_nls (im, buf, v, 3) != EOF)
call amins (Mems[buf[2]], Mems[buf[3]], Mems[buf[1]], len)
}
end
procedure ima_mini (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 the vector/scalar
# minimum to imagec.
if (im_a == NULL) {
im[2] = im_b
while (ima_nli (im, buf, v, 2) != EOF)
call aminki (Memi[buf[2]], a, Memi[buf[1]], len)
# If imageb is constant then read imagea and do the vector/scalar
# minimum to imagec.
} else if (im_b == NULL) {
im[2] = im_a
while (ima_nli (im, buf, v, 2) != EOF)
call aminki (Memi[buf[2]], b, Memi[buf[1]], len)
# Read imagea and imageb and do a vector-vector minimum operation
# to imagec.
} else {
im[2] = im_a
im[3] = im_b
while (ima_nli (im, buf, v, 3) != EOF)
call amini (Memi[buf[2]], Memi[buf[3]], Memi[buf[1]], len)
}
end
procedure ima_minl (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 the vector/scalar
# minimum to imagec.
if (im_a == NULL) {
im[2] = im_b
while (ima_nll (im, buf, v, 2) != EOF)
call aminkl (Meml[buf[2]], a, Meml[buf[1]], len)
# If imageb is constant then read imagea and do the vector/scalar
# minimum to imagec.
} else if (im_b == NULL) {
im[2] = im_a
while (ima_nll (im, buf, v, 2) != EOF)
call aminkl (Meml[buf[2]], b, Meml[buf[1]], len)
# Read imagea and imageb and do a vector-vector minimum operation
# to imagec.
} else {
im[2] = im_a
im[3] = im_b
while (ima_nll (im, buf, v, 3) != EOF)
call aminl (Meml[buf[2]], Meml[buf[3]], Meml[buf[1]], len)
}
end
procedure ima_minr (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 the vector/scalar
# minimum to imagec.
if (im_a == NULL) {
im[2] = im_b
while (ima_nlr (im, buf, v, 2) != EOF)
call aminkr (Memr[buf[2]], a, Memr[buf[1]], len)
# If imageb is constant then read imagea and do the vector/scalar
# minimum to imagec.
} else if (im_b == NULL) {
im[2] = im_a
while (ima_nlr (im, buf, v, 2) != EOF)
call aminkr (Memr[buf[2]], b, Memr[buf[1]], len)
# Read imagea and imageb and do a vector-vector minimum operation
# to imagec.
} else {
im[2] = im_a
im[3] = im_b
while (ima_nlr (im, buf, v, 3) != EOF)
call aminr (Memr[buf[2]], Memr[buf[3]], Memr[buf[1]], len)
}
end
procedure ima_mind (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 the vector/scalar
# minimum to imagec.
if (im_a == NULL) {
im[2] = im_b
while (ima_nld (im, buf, v, 2) != EOF)
call aminkd (Memd[buf[2]], a, Memd[buf[1]], len)
# If imageb is constant then read imagea and do the vector/scalar
# minimum to imagec.
} else if (im_b == NULL) {
im[2] = im_a
while (ima_nld (im, buf, v, 2) != EOF)
call aminkd (Memd[buf[2]], b, Memd[buf[1]], len)
# Read imagea and imageb and do a vector-vector minimum operation
# to imagec.
} else {
im[2] = im_a
im[3] = im_b
while (ima_nld (im, buf, v, 3) != EOF)
call amind (Memd[buf[2]], Memd[buf[3]], Memd[buf[1]], len)
}
end
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