1 files changed, 8 insertions, 0 deletions
diff --git a/src/libstddjb/tain_frac.c b/src/libstddjb/tain_frac.c
new file mode 100644
index 0000000..45ee3b4
--- /dev/null
+++ b/src/libstddjb/tain_frac.c
@@ -0,0 +1,8 @@
+/* ISC license. */
+
+#include <skalibs/tai.h>
+
+double tain_frac (tain_t const *t)
+{
+  return t->nano * 0.000000001 ;
+}