1 files changed, 18 insertions, 0 deletions
diff --git a/taia_add.c b/taia_add.c
new file mode 100644
index 0000000..3044a26
--- /dev/null
+++ b/taia_add.c
@@ -0,0 +1,18 @@
+#include "taia.h"
+
+/* XXX: breaks tai encapsulation */
+
+void taia_add(struct taia *t,const struct taia *u,const struct taia *v)
+{
+  t->sec.x = u->sec.x + v->sec.x;
+  t->nano = u->nano + v->nano;
+  t->atto = u->atto + v->atto;
+  if (t->atto > 999999999UL) {
+    t->atto -= 1000000000UL;
+    ++t->nano;
+  }
+  if (t->nano > 999999999UL) {
+    t->nano -= 1000000000UL;
+    ++t->sec.x;
+  }
+}