New functions digpow and digits.

* arith.c (digcommon): New static function.
(digpow, digits): New functions.
(arith_init): New digpow and digits intrinsic functions
registered.

* arith.h (digpow, digits): Declared.

* txr.1: New functions documented.

1 files changed, 3 insertions, 0 deletions

diff --git a/arith.h b/arith.h
index 1fa4e6c4..29e65706 100644
--- a/arith.h
+++ b/arith.h
@@ -45,6 +45,9 @@ val tofloatz(val obj);
 val tointz(val obj, val base);
 val width(val num);
 val bits(val obj);
+val digpow(val n, val base);
+val digits(val n, val base);
+
 noreturn void do_mp_error(val self, mp_err code);
 void arith_init(void);
 void arith_free_all(void);