New functions for polynomial evaluation.

* arith.c (poly, rpoly): New functions.
(arith_init): Registered intrinsics poly and rpoly.

* arith.h (poly, rpoly): Declared.

* txr.1: Documented.

1 files changed, 2 insertions, 0 deletions

diff --git a/arith.h b/arith.h
index 7b9ecc6b..3d45e1ed 100644
--- a/arith.h
+++ b/arith.h
@@ -49,6 +49,8 @@ val width(val num);
 val bits(val obj);
 val digpow(val n, val base);
 val digits(val n, val base);
+val poly(val x, val seq);
+val rpoly(val x, val seq);
 
 noreturn void do_mp_error(val self, mp_err code);
 void arith_init(void);