Repatch (from linux) of OSX IRAF

1 files changed, 25 insertions, 0 deletions

diff --git a/sys/vops/apol.gx b/sys/vops/apol.gx
new file mode 100644
index 00000000..04d162c5
--- /dev/null
+++ b/sys/vops/apol.gx
@@ -0,0 +1,25 @@
+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+# APOL -- Evaluate a polynomial at X, given the coefficients of the polynomial
+# in COEFF and returning the computed value as the function value.
+
+PIXEL procedure apol$t (x, coeff, ncoeff)
+
+PIXEL	x		# point at which the polynomial is to be evaluated
+PIXEL	coeff[ncoeff]	# coefficients of the polynomial, lower orders first
+int	ncoeff
+
+int	i
+PIXEL	pow, sum
+
+begin
+	sum = coeff[1]
+	pow = x
+
+	do i = 2, ncoeff {
+	    sum = sum + pow * coeff[i]
+	    pow = pow * x
+	}
+
+	return (sum)
+end