From 7f13a8b971709680ff277cb6d72483fa1dd2d0a4 Mon Sep 17 00:00:00 2001
From: David Lecomber <david.lecomber@arm.com>
Date: Wed, 23 Oct 2024 12:14:39 +0100
Subject: [PATCH]     Fix for issue #966.     Set boost options in
 CMakeLists.txt to not promote doubles to long doubles. Promotion     incurs
 performance penalty on all platforms, and particularly aarch64.

---
 CMakeLists.txt | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3d49ecd9..aec129e8 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -259,6 +259,9 @@ else()
   message(FATAL_ERROR "Your C++ compiler does not support C++14.")
 endif()
 
+
+list(APPEND TGT_COMPILE_FLAGS -DBOOST_MATH_PROMOTE_DOUBLE_POLICY=false)
+
 if(DO_QUIET_MAKE)
   set(QUIET_MAKE "--silent")
 else()