From 00de570793b8acdc072c16d533f1740e3e061d94 Mon Sep 17 00:00:00 2001
From: Janek Kozicki <jkozicki-yade@pg.edu.pl>
Date: Mon, 23 Dec 2019 23:52:44 +0100
Subject: [PATCH] Fix -Werror -Wfloat-conversion warning.

---
 Eigen/src/Core/products/Parallelizer.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Eigen/src/Core/products/Parallelizer.h b/Eigen/src/Core/products/Parallelizer.h
index e01e798f1..3bdd30e5a 100644
--- a/Eigen/src/Core/products/Parallelizer.h
+++ b/Eigen/src/Core/products/Parallelizer.h
@@ -129,7 +129,7 @@ void parallelize_gemm(const Functor& func, Index rows, Index cols, Index depth,
   double work = static_cast<double>(rows) * static_cast<double>(cols) *
       static_cast<double>(depth);
   double kMinTaskSize = 50000;  // FIXME improve this heuristic.
-  pb_max_threads = std::max<Index>(1, std::min<Index>(pb_max_threads, work / kMinTaskSize));
+  pb_max_threads = std::max<Index>(1, std::min<Index>(pb_max_threads, static_cast<Index>( work / kMinTaskSize ) ));
 
   // compute the number of threads we are going to use
   Index threads = std::min<Index>(nbThreads(), pb_max_threads);