From 45fe65bb4305b896ac95bfa70c3273662e8e44f1 Mon Sep 17 00:00:00 2001
From: Kaz Kylheku <kaz@kylheku.com>
Date: Sat, 7 Feb 2015 19:58:38 -0800
Subject: * arith.c (trunc_rem): New function.

* eval.c (eval_init): Register trunc-rem intrinsic.

* lib.h (trunc_rem): Declared.

* txr.1: Documented trunc-rem.

* tl.vim, txr.vim: Updated.
---
 arith.c | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'arith.c')

diff --git a/arith.c b/arith.c
index 20d1ae3b..9aeb0875 100644
--- a/arith.c
+++ b/arith.c
@@ -945,6 +945,13 @@ divzero:
   uw_throw(numeric_error_s, lit("mod: division by zero"));
 }
 
+val trunc_rem(val anum, val bnum)
+{
+  val quot = trunc(anum, bnum);
+  val rem = minus(anum, mul(quot, bnum));
+  return list(quot, rem, nao);
+}
+
 val wrap_star(val start, val end, val num)
 {
   val modulus = minus(end, start);
-- 
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