taia: move taia evaluation out of curve.

This is not really related to curve functions, so move it out from
there.

Signed-off-by: Daniel Borkmann <dborkman@redhat.com>

1 files changed, 27 insertions, 0 deletions

diff --git a/taia.c b/taia.c
new file mode 100644
index 0000000..4d02dd9
--- /dev/null
+++ b/taia.c
@@ -0,0 +1,27 @@
+#include <stdbool.h>
+
+#include "taia.h"
+
+static const struct taia tolerance_taia = {
+	.sec.x = 0,
+	.nano = 700000000ULL,
+	.atto = 0,
+};
+
+bool taia_looks_good(struct taia *arr_taia, struct taia *pkt_taia)
+{
+	bool good = false;
+	struct taia tmp;
+
+	if (taia_less(arr_taia, pkt_taia)) {
+		taia_sub(&tmp, pkt_taia, arr_taia);
+		if (taia_less(&tmp, &tolerance_taia))
+			good = true;
+	} else {
+		taia_sub(&tmp, arr_taia, pkt_taia);
+		if (taia_less(&tmp, &tolerance_taia))
+			good = true;
+	}
+
+	return good;
+}