libgeometry revamp

1 files changed, 15 insertions, 0 deletions

diff --git a/sys/src/libgeometry/utils.c b/sys/src/libgeometry/utils.c
new file mode 100644
index 000000000..9825923c8
--- /dev/null
+++ b/sys/src/libgeometry/utils.c
@@ -0,0 +1,15 @@
+#include <u.h>
+#include <libc.h>
+#include <geometry.h>
+
+double
+flerp(double a, double b, double t)
+{
+	return a + (b - a)*t;
+}
+
+double
+fclamp(double n, double min, double max)
+{
+	return n < min? min: n > max? max: n;
+}