From bbf8011d09f2962444e70142791eee1b369616fc Mon Sep 17 00:00:00 2001
From: Ziyan <ziyan.zhou@mujin.co.jp>
Date: Wed, 8 Nov 2017 10:39:47 +0900
Subject: [PATCH] ENH skip NPY_ALLOW_C_API for UFUNC_ERR_IGNORE

GIL unnecessary when numpy floating point error handling is set to ignore.
---
 numpy/core/src/umath/extobj.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/numpy/core/src/umath/extobj.c b/numpy/core/src/umath/extobj.c
index 34498162265f..e44036358ebb 100644
--- a/numpy/core/src/umath/extobj.c
+++ b/numpy/core/src/umath/extobj.c
@@ -76,6 +76,11 @@ _error_handler(int method, PyObject *errobj, char *errtype, int retstatus, int *
 
     NPY_ALLOW_C_API_DEF
 
+    /* don't need C API for a simple ignore */
+    if (method == UFUNC_ERR_IGNORE) {
+        return 0;
+    }
+
     /* don't need C API for a simple print */
     if (method == UFUNC_ERR_PRINT) {
         if (*first) {