From f241dd9b8f5d7bbd2900310d196754168559a41a Mon Sep 17 00:00:00 2001
From: fis <jm.yuan@outlook.com>
Date: Fri, 24 Sep 2021 15:47:04 +0800
Subject: [PATCH] Lint.

---
 src/predictor/cpu_predictor.cc | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/predictor/cpu_predictor.cc b/src/predictor/cpu_predictor.cc
index 71481f3a3a08..b0bbeeb16f36 100644
--- a/src/predictor/cpu_predictor.cc
+++ b/src/predictor/cpu_predictor.cc
@@ -254,8 +254,9 @@ class CPUPredictor : public Predictor {
                       int32_t tree_end) const {
     const int threads = omp_get_max_threads();
     constexpr double kDensityThresh = .5;
-    double density = double(p_fmat->Info().num_row_ * p_fmat->Info().num_col_) /
-                     double(p_fmat->Info().num_nonzero_);
+    double density =
+        static_cast<double>(p_fmat->Info().num_row_ * p_fmat->Info().num_col_) /
+        static_cast<double>(p_fmat->Info().num_nonzero_);
     bool blocked = density > kDensityThresh;
 
     std::vector<RegTree::FVec> feat_vecs;