From 173384a6fbe3a782f52ef30a8ffdc0a315a58880 Mon Sep 17 00:00:00 2001
From: Stefan van der Walt <stefan@sun.ac.za>
Date: Fri, 6 Mar 2009 09:09:45 +0000
Subject: For kaiser, allow beta to be specified as an integer.

---
 numpy/lib/function_base.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'numpy/lib/function_base.py')

diff --git a/numpy/lib/function_base.py b/numpy/lib/function_base.py
index c6731a945..4eabba545 100644
--- a/numpy/lib/function_base.py
+++ b/numpy/lib/function_base.py
@@ -2562,7 +2562,7 @@ def kaiser(M,beta):
     from numpy.dual import i0
     n = arange(0,M)
     alpha = (M-1)/2.0
-    return i0(beta * sqrt(1-((n-alpha)/alpha)**2.0))/i0(beta)
+    return i0(beta * sqrt(1-((n-alpha)/alpha)**2.0))/i0(float(beta))
 
 def sinc(x):
     """
-- 
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