[libcxx] [test] D27013: Fix MSVC warning C4018 "signed/unsigned mismatch", part 1/12.

Change loop indices from int to std::size_t.

Also, include <cstddef> when it wasn't already being included.

llvm-svn: 287820

1 files changed, 5 insertions, 4 deletions

diff --git a/libcxx/test/std/numerics/numarray/template.valarray/valarray.unary/plus.pass.cpp b/libcxx/test/std/numerics/numarray/template.valarray/valarray.unary/plus.pass.cpp
index 4bcdaf095ff..df6fccc38c8 100644
--- a/libcxx/test/std/numerics/numarray/template.valarray/valarray.unary/plus.pass.cpp
+++ b/libcxx/test/std/numerics/numarray/template.valarray/valarray.unary/plus.pass.cpp
@@ -15,6 +15,7 @@
 
 #include <valarray>
 #include <cassert>
+#include <cstddef>
 
 int main()
 {
@@ -25,7 +26,7 @@ int main()
         std::valarray<T> v(a, N);
         std::valarray<T> v2 = +v;
         assert(v2.size() == v.size());
-        for (int i = 0; i < v2.size(); ++i)
+        for (std::size_t i = 0; i < v2.size(); ++i)
             assert(v2[i] == +v[i]);
     }
     {
@@ -35,7 +36,7 @@ int main()
         std::valarray<T> v(a, N);
         std::valarray<T> v2 = +v;
         assert(v2.size() == v.size());
-        for (int i = 0; i < v2.size(); ++i)
+        for (std::size_t i = 0; i < v2.size(); ++i)
             assert(v2[i] == +v[i]);
     }
     {
@@ -48,7 +49,7 @@ int main()
         for (int i = 0; i < N; ++i)
         {
             assert(v2[i].size() == v[i].size());
-            for (int j = 0; j < v[i].size(); ++j)
+            for (std::size_t j = 0; j < v[i].size(); ++j)
                 assert(v2[i][j] == +v[i][j]);
         }
     }
@@ -59,7 +60,7 @@ int main()
         std::valarray<T> v(a, N);
         std::valarray<T> v2 = +(v + v);
         assert(v2.size() == v.size());
-        for (int i = 0; i < v2.size(); ++i)
+        for (std::size_t i = 0; i < v2.size(); ++i)
             assert(v2[i] == +2*v[i]);
     }
 }