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-rw-r--r--numpy/core/src/npymath/npy_math_private.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/numpy/core/src/npymath/npy_math_private.h b/numpy/core/src/npymath/npy_math_private.h
index a474b3de3..20c94f98a 100644
--- a/numpy/core/src/npymath/npy_math_private.h
+++ b/numpy/core/src/npymath/npy_math_private.h
@@ -21,6 +21,7 @@
#include <Python.h>
#ifdef __cplusplus
#include <cmath>
+#include <complex>
using std::isgreater;
using std::isless;
#else
@@ -494,8 +495,9 @@ do { \
* Microsoft C defines _MSC_VER
* Intel compiler does not use MSVC complex types, but defines _MSC_VER by
* default.
+ * since c++17 msvc is no longer support them.
*/
-#if defined(_MSC_VER) && !defined(__INTEL_COMPILER)
+#if !defined(__cplusplus) && defined(_MSC_VER) && !defined(__INTEL_COMPILER)
typedef union {
npy_cdouble npy_z;
_Dcomplex c99_z;