From 9eb7a3a6e5f4ec9efc9bd14e99b5a95ed087fed4 Mon Sep 17 00:00:00 2001
From: guohongzilong <2713219276@qq.com>
Date: Fri, 6 Nov 2020 15:04:49 +0800
Subject: [PATCH] add size 0 case in outlier post quant

---
 .../lite/tools/converter/quantizer/post_training_quantizer.cc   | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mindspore/lite/tools/converter/quantizer/post_training_quantizer.cc b/mindspore/lite/tools/converter/quantizer/post_training_quantizer.cc
index 1b2cf42c7d..a512014d70 100644
--- a/mindspore/lite/tools/converter/quantizer/post_training_quantizer.cc
+++ b/mindspore/lite/tools/converter/quantizer/post_training_quantizer.cc
@@ -100,7 +100,7 @@ STATUS DivergInfo::ComputeThreshold() {
     return RET_OK;
   }
 
-  if (method_x == kMethodOutlier) {
+  if (method_x == kMethodOutlier && this->min_datas.size() > 0) {
     this->percent_result = OutlierMethod(min_datas, max_datas);
     this->best_T = std::max(std::fabs(percent_result.first), std::fabs(percent_result.second));
     return RET_OK;