1 files changed, 27 insertions, 0 deletions
diff --git a/tests/subr_d.c b/tests/subr_d.c
new file mode 100644
index 0000000..ef2c431
--- /dev/null
+++ b/tests/subr_d.c
@@ -0,0 +1,27 @@
+#include <ejit/ejit.h>
+#include <assert.h>
+#include "do_jit.h"
+
+int main(int argc, char *argv[])
+{
+	(void)argv;
+	bool do_jit = argc > 1;
+	struct ejit_operand operands[2] = {
+		EJIT_OPERAND_FPR(0, EJIT_TYPE(double)),
+		EJIT_OPERAND_FPR(1, EJIT_TYPE(double))
+	};
+	struct ejit_func *f = ejit_create_func(EJIT_TYPE(double), 2, operands);
+
+	ejit_subr_d(f, EJIT_FPR(0), EJIT_FPR(0), EJIT_FPR(1));
+	ejit_retr_d(f, EJIT_FPR(0));
+
+	ejit_select_compile_func(f, 0, 2, EJIT_USE64(double), do_jit);
+
+	assert(erff2(f, EJIT_ARG(42., double), EJIT_ARG(69., double)
+	             ) == -27.);
+
+	assert(erff2(f, EJIT_ARG(42.5, double), EJIT_ARG(69., double)
+	             ) == -26.5);
+
+	ejit_destroy_func(f);
+}