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-rw-r--r--mrbgems/mruby-math/src/math.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/mrbgems/mruby-math/src/math.c b/mrbgems/mruby-math/src/math.c
index 4ddd70374..c182debea 100644
--- a/mrbgems/mruby-math/src/math.c
+++ b/mrbgems/mruby-math/src/math.c
@@ -657,7 +657,7 @@ math_ldexp(mrb_state *mrb, mrb_value obj)
mrb_int i;
mrb_get_args(mrb, "fi", &x, &i);
- x = ldexp(x, i);
+ x = ldexp(x, (int)i);
return mrb_float_value(mrb, x);
}