# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1454687837 -3600
# Node ID 6158df669d30c25fe69de6f9349596aa6d6d7f0f
# Parent  c97a0dbd98d81a15c40ed61baa8ac35519f41451
Experimenting with Cython. Adding some type declarations reduced the running
time from 12.3s to 11.5s.

diff -r c97a0dbd98d8 -r 6158df669d30 optimiserlib.pxd
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/optimiserlib.pxd	Fri Feb 05 16:57:17 2016 +0100
@@ -0,0 +1,6 @@
+cpdef double within(double v, int lower, int upper)
+cpdef int clip(double v)
+cpdef double distance(tuple rgb1, tuple rgb2)
+cpdef int sign(double x)
+cpdef double saturate_value(double x, double exp)
+cpdef double amplify_value(double x, double exp)