Fix clang warning.

bluescarni · bluescarni · commit 683e4ed17975 · 2020-12-20T00:38:25.000+01:00
diff --git a/pygmo/common_utils.hpp b/pygmo/common_utils.hpp
@@ -140,7 +140,7 @@ inline Vector ndarr_to_vector(const py::array_t<T, ExtraFlags> &a)
 template <typename Array, typename T, typename Allocator>
 inline Array vector_to_ndarr(const std::vector<T, Allocator> &v)
 {
-    return Array(v.size(), v.data());
+    return Array(boost::numeric_cast<py::ssize_t>(v.size()), v.data());
 }
 
 // Convert a numpy array into a sparsity pattern.

Original file line number	Diff line number	Diff line change
`@@ -140,7 +140,7 @@ inline Vector ndarr_to_vector(const py::array_t<T, ExtraFlags> &a)`
`140`	`140`	`template <typename Array, typename T, typename Allocator>`
`141`	`141`	`inline Array vector_to_ndarr(const std::vector<T, Allocator> &v)`
`142`	`142`	`{`
`143`		`- return Array(v.size(), v.data());`
	`143`	`+ return Array(boost::numeric_cast<py::ssize_t>(v.size()), v.data());`
`144`	`144`	`}`
`145`	`145`
`146`	`146`	`// Convert a numpy array into a sparsity pattern.`