commit 8b25487eb9f53ea79aec759cc36d68eca19e472d
author Gavin Howard <yzena.tech@gmail.com> Wed Mar 14 01:13:35 2018 -0600
committer Gavin Howard <yzena.tech@gmail.com> Tue Aug 28 17:11:01 2018 -0600
tree 7608eebd1100c6119bb50cc478e221c7d9a09f9f
parent 9b4d86c43b43ff1186b5ca5dc9d95c8efd9c51e2

Handle zero special case in mod

This was causing a problem with printing numbers in different bases
correctly.

src/bc/num.c

diff --git a/src/bc/num.c b/src/bc/num.c
index 75a0f19..afe585d 100644
--- a/src/bc/num.c
+++ b/src/bc/num.c
@@ -606,6 +606,13 @@
   BcNum c2;
   size_t len;
 
+  if (!b->len) return BC_STATUS_MATH_DIVIDE_BY_ZERO;
+
+  if (!a->len) {
+    bc_num_zero(c);
+    return BC_STATUS_SUCCESS;
+  }
+
   len = a->len + b->len + scale;
 
   status = bc_num_init(&c1, len);