Fix one MSVC cast warning

wesm · wesm · commit c22d280dca5f · 2020-01-14T17:24:48.000-06:00
diff --git a/cpp/src/arrow/python/arrow_to_pandas.cc b/cpp/src/arrow/python/arrow_to_pandas.cc
@@ -503,7 +503,8 @@ inline void ConvertIntegerWithNulls(const PandasOptions& options,
     // Upcast to double, set NaN as appropriate
 
     for (int i = 0; i < arr.length(); ++i) {
-      *out_values++ = arr.IsNull(i) ? NAN : static_cast<double>(in_values[i]);
+      *out_values++ =
+          arr.IsNull(i) ? static_cast<OutType>(NAN) : static_cast<OutType>(in_values[i]);
     }
   }
 }

Original file line number	Diff line number	Diff line change
`@@ -503,7 +503,8 @@ inline void ConvertIntegerWithNulls(const PandasOptions& options,`
`503`	`503`	`// Upcast to double, set NaN as appropriate`
`504`	`504`
`505`	`505`	`for (int i = 0; i < arr.length(); ++i) {`
`506`		`- *out_values++ = arr.IsNull(i) ? NAN : static_cast<double>(in_values[i]);`
	`506`	`+ *out_values++ =`
	`507`	`+ arr.IsNull(i) ? static_cast<OutType>(NAN) : static_cast<OutType>(in_values[i]);`
`507`	`508`	`}`
`508`	`509`	`}`
`509`	`510`	`}`