Repatch (from linux) of OSX IRAF

1 files changed, 24 insertions, 0 deletions

diff --git a/sys/mwcs/gen/mwc1trand.x b/sys/mwcs/gen/mwc1trand.x
new file mode 100644
index 00000000..af46e02d
--- /dev/null
+++ b/sys/mwcs/gen/mwc1trand.x
@@ -0,0 +1,24 @@
+include	"../mwcs.h"
+
+# MW_C1TRAN -- Optimized 1D coordinate transformation.
+
+double procedure mw_c1trand (a_ct, x)
+
+pointer	a_ct			#I pointer to CTRAN descriptor
+double	x			#I coordinates in input system
+
+double	y
+pointer	ct
+
+begin
+	# Get real or double version of descriptor.
+	ct = CT_D(a_ct)
+
+	# Perform the transformation; LNR is a simple linear transformation.
+	if (CT_TYPE(ct) == LNR) {
+	    return (Memd[CT_LTM(ct)] * x + Memd[CT_LTV(ct)])
+	} else {
+	    call mw_ctrand (a_ct, x, y, 1)
+	    return (y)
+	}
+end