From 5ced5305570c356752324974c13695fd3570ea8a Mon Sep 17 00:00:00 2001
From: Zhang Zhuo CompanyPCWin10 <imzhuo@foxmail.com>
Date: Mon, 3 Dec 2018 14:07:19 +0800
Subject: [PATCH] remove openmp error msg on PC

---
 src/net.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/net.cpp b/src/net.cpp
index d932ab2a54b..4a0ab9be5e6 100644
--- a/src/net.cpp
+++ b/src/net.cpp
@@ -1013,6 +1013,9 @@ int Extractor::extract(int blob_index, Mat& feat)
     if (blob_mats[blob_index].dims == 0)
     {
         int layer_index = net->blobs[blob_index].producer;
+        if (opt.num_threads == 0) {
+            opt.num_threads = 1;
+        }
         ret = net->forward_layer(layer_index, blob_mats, opt);
     }