Add signed integers (arithmetics and some testing not implemented yet)

Signed-off-by: Mattias Andrée <m@maandree.se>

1 files changed, 32 insertions, 0 deletions

diff --git a/libj2_j2i_min.c b/libj2_j2i_min.c
new file mode 100644
index 0000000..74b438b
--- /dev/null
+++ b/libj2_j2i_min.c
@@ -0,0 +1,32 @@
+/* See LICENSE file for copyright and license details. */
+#include "common.h"
+#ifndef TEST
+
+extern inline void libj2_j2i_min(struct libj2_j2i *res);
+/* TODO Add man page */
+
+
+#else
+
+int
+main(void)
+{
+	struct libj2_j2i value = {1, 2};
+
+	libj2_j2i_min(&value);
+	EXPECT(value.high == (uintmax_t)INTMAX_MAX + 1U);
+	EXPECT(value.low == 0);
+
+	libj2_j2i_min(&value);
+	EXPECT(value.high == (uintmax_t)INTMAX_MAX + 1U);
+	EXPECT(value.low == 0);
+
+#ifdef TODO /* requires libj2_j2i_sub_ji */
+	libj2_j2i_sub_ji(&value, 1);
+	EXPECT(libj2_j2i_is_max(&value));
+#endif
+
+	return 0;
+}
+
+#endif