[MLBEDSW-297] Setup and run on Microsoft Windows

Various updates to make vela run and produce identical output on
Microsoft Windows.
* Fixed overflow errors
* Fixed compile warnings
* Avoid problematic numpy version
* Updated README.md

Signed-off-by: Fredrik Svedberg <Fredrik.Svedberg@arm.com>
Change-Id: Ie48c63a92a00c81b3247d07f05b75d881319ddbb

1 files changed, 1 insertions, 1 deletions

diff --git a/ethosu/tensor_allocator/tensor_allocatormodule.cpp b/ethosu/tensor_allocator/tensor_allocatormodule.cpp
index 79ee95ad..02488add 100644
--- a/ethosu/tensor_allocator/tensor_allocatormodule.cpp
+++ b/ethosu/tensor_allocator/tensor_allocatormodule.cpp
@@ -53,7 +53,7 @@ static PyObject *method_allocate (PyObject *self, PyObject *args)
     }
 
     /* Unpack the length of the input integer list. */
-    int input_length = PyObject_Length (input_list_object);
+    int input_length = static_cast<int>(PyObject_Length (input_list_object));
     if (input_length < 0) {
         input_length = 0;
     }