From 61db4bec2633e1ab1e1a6e9aec2a84c706dce204 Mon Sep 17 00:00:00 2001
From: "Bo Zhang @NAOC" <bozhang@nao.cas.cn>
Date: Wed, 7 Sep 2016 13:41:46 +0800
Subject: [PATCH] turn nd into int

nd will be passed to zeros(), which only accepts int
---
 wafo/interpolate.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/wafo/interpolate.py b/wafo/interpolate.py
index 105ddd3..70819e1 100644
--- a/wafo/interpolate.py
+++ b/wafo/interpolate.py
@@ -561,7 +561,7 @@ class SmoothSpline(PPform):
         # ndy = y.ndim
         szy = y.shape
 
-        nd = prod(szy[:-1])
+        nd = np.int(prod(szy[:-1]))
         ny = szy[-1]
 
         if n < 2: