Add forward_hazard_rates property

this is also an example of returning a numpy array allocated
with malloc on the C side.

1 files changed, 1 insertions, 1 deletions

diff --git a/setup.py b/setup.py
index da5894c..dd76e0d 100644
--- a/setup.py
+++ b/setup.py
@@ -4,7 +4,7 @@ from Cython.Build import cythonize
 import numpy
 
 all_extensions = Extension("*", ["pyisda/*.pyx"],
-                           include_dirs = ['c_layer'],
+                           include_dirs = ['c_layer', numpy.get_include()],
                            libraries = ["cds"])
 
 c_extension = Extension("pyisda.flat_hazard",