From c41287272b779816f0ae96b3b3d4c164c4f81ed9 Mon Sep 17 00:00:00 2001
From: Henry Fredrick Schreiner <henry.fredrick.schreiner@cern.ch>
Date: Wed, 3 Apr 2019 12:59:27 +0200
Subject: [PATCH] Fixing warnings about conversions in GCC 7+

---
 include/pybind11/numpy.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/pybind11/numpy.h b/include/pybind11/numpy.h
index 37471d8be9..96b6126374 100644
--- a/include/pybind11/numpy.h
+++ b/include/pybind11/numpy.h
@@ -855,14 +855,14 @@ template <typename T, int ExtraFlags = array::forcecast> class array_t : public
 
     // Reference to element at a given index
     template<typename... Ix> const T& at(Ix... index) const {
-        if (sizeof...(index) != ndim())
+        if ((ssize_t) sizeof...(index) != ndim())
             fail_dim_check(sizeof...(index), "index dimension mismatch");
         return *(static_cast<const T*>(array::data()) + byte_offset(ssize_t(index)...) / itemsize());
     }
 
     // Mutable reference to element at a given index
     template<typename... Ix> T& mutable_at(Ix... index) {
-        if (sizeof...(index) != ndim())
+        if ((ssize_t) sizeof...(index) != ndim())
             fail_dim_check(sizeof...(index), "index dimension mismatch");
         return *(static_cast<T*>(array::mutable_data()) + byte_offset(ssize_t(index)...) / itemsize());
     }