# HG changeset patch
# User Nicolas Saunier <nico@confins.net>
# Date 1270940323 14400
# Node ID 48e56179c39e141999777646eb14b80541ae4b0b
# Parent  c000f37c316d0be4f141411063ef3c77ec36ffb7
added ceil function

diff -r c000f37c316d -r 48e56179c39e python/tests/utils.txt
--- a/python/tests/utils.txt	Sat Feb 13 19:46:33 2010 -0500
+++ b/python/tests/utils.txt	Sat Apr 10 18:58:43 2010 -0400
@@ -8,6 +8,11 @@
 >>> computeChi2(range(1,9),range(1,10))
 0.0
 
+>>> ceilDecimals(1.23, 0)
+2.0
+>>> ceilDecimals(1.23, 1)
+1.3
+
 >>> segmentIntersection(Point(0,0),Point(1,1), Point(0,1), Point(1,2))
 >>> segmentIntersection(Point(0,1),Point(1,0), Point(0,2), Point(2,1))
 >>> segmentIntersection(Point(0,0),Point(2,0), Point(1,-1),Point(1,1))
diff -r c000f37c316d -r 48e56179c39e python/utils.py
--- a/python/utils.py	Sat Feb 13 19:46:33 2010 -0500
+++ b/python/utils.py	Sat Apr 10 18:58:43 2010 -0400
@@ -31,6 +31,13 @@
 # maths section
 #########################
 
+def ceilDecimals(v, nDecimals):
+    '''Rounds the number at the nth decimal
+    eg 1.23 at 0 decimal is 2, at 1 decimal is 1.3'''
+    from math import ceil,pow
+    tens = pow(10,nDecimals)
+    return ceil(v*tens)/tens
+
 def segmentIntersection(p1, p2, p3, p4):
     '''Returns the intersecting point of the segments [p1, p2] and [p3, p4], None otherwise'''
     from numpy import matrix