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-rw-r--r--mrbgems/mruby-test/driver.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/mrbgems/mruby-test/driver.c b/mrbgems/mruby-test/driver.c
index 7cc5211f0..14e93ff33 100644
--- a/mrbgems/mruby-test/driver.c
+++ b/mrbgems/mruby-test/driver.c
@@ -94,6 +94,12 @@ mrb_init_test_driver(mrb_state *mrb, mrb_bool verbose)
mrb_define_const(mrb, mrbtest, "FIXNUM_MIN", mrb_fixnum_value(MRB_INT_MIN));
mrb_define_const(mrb, mrbtest, "FIXNUM_BIT", mrb_fixnum_value(MRB_INT_BIT));
+#ifdef MRB_USE_FLOAT
+ mrb_define_const(mrb, mrbtest, "FLOAT_TOLERANCE", mrb_float_value(mrb, 1e-6));
+#else
+ mrb_define_const(mrb, mrbtest, "FLOAT_TOLERANCE", mrb_float_value(mrb, 1e-12));
+#endif
+
if (verbose) {
mrb_gv_set(mrb, mrb_intern_lit(mrb, "$mrbtest_verbose"), mrb_true_value());
}