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-rw-r--r--rational.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/rational.c b/rational.c
index 9334b14352..2aec3e264a 100644
--- a/rational.c
+++ b/rational.c
@@ -1,5 +1,5 @@
/*
- rational.c: Coded by Tadayoshi Funaba 2008,2009
+ rational.c: Coded by Tadayoshi Funaba 2008-2010
This implementation is based on Keiju Ishitsuka's Rational library
which is written in ruby.
@@ -929,7 +929,7 @@ nurat_fdiv(VALUE self, VALUE other)
static VALUE
nurat_expt(VALUE self, VALUE other)
{
- if (k_exact_zero_p(other))
+ if (k_numeric_p(other) && k_exact_zero_p(other))
return f_rational_new_bang1(CLASS_OF(self), ONE);
if (k_rational_p(other)) {