From 40e5a5811c6ffce9b0974e93cdd927cbcf60c157 Mon Sep 17 00:00:00 2001
From: Joe Hunkeler <jhunkeler@gmail.com>
Date: Tue, 11 Aug 2015 16:51:37 -0400
Subject: Repatch (from linux) of OSX IRAF

---
 noao/nproto/ir/irindices.x | 139 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 139 insertions(+)
 create mode 100644 noao/nproto/ir/irindices.x

(limited to 'noao/nproto/ir/irindices.x')

diff --git a/noao/nproto/ir/irindices.x b/noao/nproto/ir/irindices.x
new file mode 100644
index 00000000..2ff94d81
--- /dev/null
+++ b/noao/nproto/ir/irindices.x
@@ -0,0 +1,139 @@
+include "iralign.h"
+
+# IR_INDICES -- Given the number in the list for a missing subraster and
+# information about how the subrasters were written return the i and j
+# indices of the specified subrasters.
+
+procedure ir_indices (num, i, j, nxsub, nysub, corner, raster, order)
+
+int	num		# number of the subraster
+int	i,j		# indices of the subraster
+int	nxsub,nysub	# number of subrasters in x and y
+int	corner		# starting corner
+int	raster		# raster order
+int	order		# column or row order
+
+begin
+	switch (corner) {
+	case IR_LL:
+	    if (order == IR_ROW) {
+		if (mod (num, nxsub) == 0) {
+		    j = num / nxsub
+		    if (raster == YES && mod (j,2) == 0)
+			i = 1
+		    else
+		        i = nxsub
+		} else {
+		    j = num / nxsub + 1
+		    if (raster == YES && mod (j,2) == 0)
+			i = nxsub - mod (num, nxsub) + 1
+		    else
+		        i = mod (num, nxsub)
+		}
+	    } else if (order == IR_COLUMN) {
+		if (mod (num, nysub) == 0) {
+		    i = num / nysub
+		    if (raster == YES && mod (i,2) == 0)
+			j = 1
+		    else
+		        j = nysub
+		} else {
+		    i = num / nysub + 1
+		    if (raster == YES && mod (i,2) == 0)
+			j = nysub - mod (num, nysub) + 1
+		    else
+		        j = mod (num, nysub)
+		}
+	    }
+	case IR_LR:
+	    if (order == IR_ROW) {
+		if (mod (num, nxsub) == 0) {
+		    j = num / nxsub
+		    if (raster == YES && mod (j,2) == 0)
+			i = nxsub
+		    else
+			i = 1
+		} else {
+		    j = num / nxsub + 1
+		    if (raster == YES && mod (j,2) == 0)
+			i = mod (num, nxsub)
+		    else
+			i = nxsub - mod (num, nxsub) + 1
+		}
+	    } else if (order == IR_COLUMN) {
+		if (mod (num, nysub) == 0) {
+		    i = nxsub - num / nysub + 1
+		    if (raster == YES && mod (i,2) != 0)
+			j = 1
+		    else
+		        j = nysub
+		} else {
+		    i = nxsub - num / nysub
+		    if (raster == YES && mod (i,2) != 0)
+			j = nysub - mod (num, nysub) + 1
+		    else
+		        j = mod (num, nysub)
+		}
+	    }
+	case IR_UL:
+	    if (order == IR_ROW) {
+		if (mod (num, nxsub) == 0) {
+		    j = nysub - num / nxsub + 1
+		    if (raster == YES && mod (j,2) != 0)
+			i = 1
+		    else
+		        i = nxsub
+		} else {
+		    j = nysub - num / nxsub
+		    if (raster == YES && mod (j,2) != 0)
+			i = nxsub - mod (num, nxsub) + 1
+		    else
+		        i = mod (num, nxsub)
+		}
+	    } else if (order == IR_COLUMN) {
+		if (mod (num, nysub) == 0) {
+		    i = num / nysub
+		    if (raster == YES && mod (i,2) == 0)
+			j = nysub
+		    else
+			j = 1
+		} else {
+		    i = num / nysub + 1
+		    if (raster == YES && mod (i,2) == 0)
+			j = mod (num, nysub)
+		    else
+			j = nysub - mod (num, nysub) + 1
+		}
+	    }
+	case IR_UR:
+	    if (order == IR_ROW) {
+		if (mod (num, nxsub) == 0) {
+		    j = nysub - num / nxsub + 1
+		    if (raster == YES && mod (j,2) != 0)
+			i = nxsub
+		    else
+			i = 1
+		} else {
+		    j = nysub - num / nxsub
+		    if (raster == YES && mod (j,2) != 0)
+			i = mod (num, nxsub)
+		    else
+			i = nxsub - mod (num, nxsub) + 1
+		}
+	    } else if (order == IR_COLUMN) {
+		if (mod (num, nysub) == 0) {
+		    i = nxsub - num / nysub + 1
+		    if (raster == YES && mod (i,2) != 0)
+			j = nysub
+		    else
+			j = 1
+		} else {
+		    i = nxsub - num / nysub
+		    if (raster == YES && mod (i,2) != 0)
+			j = mod (num, nysub)
+		    else
+			j = nysub - mod (num, nysub) + 1
+		}
+	    }
+	}
+end
-- 
cgit