From 6dcd43f1e4f2f3ec0bd844cd45e011e9c4d16e38 Mon Sep 17 00:00:00 2001
From: Stephan Hartmann <stha09@googlemail.com>
Date: Fri, 8 Jul 2022 14:37:32 +0200
Subject: [PATCH] GCC: make UnitBase::operator*(double) constexpr

cricket::Interpolate Interpolate is constexpr and therefore requires
UnitBase::operator* to be constexpr too. For consistency mark UnitBase::operator/ constexpr as well.

Bug: chromium:819294
Change-Id: I6f1bf812a452de3307b0720a00b85a127631992e
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/268186
Commit-Queue: Danil Chapovalov <danilchap@webrtc.org>
Reviewed-by: Sebastian Jansson <srte@webrtc.org>
Reviewed-by: Danil Chapovalov <danilchap@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#37495}
---
 rtc_base/units/unit_base.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/rtc_base/units/unit_base.h b/rtc_base/units/unit_base.h
index bbf7300a16..e0a926fb8d 100644
--- a/rtc_base/units/unit_base.h
+++ b/rtc_base/units/unit_base.h
@@ -268,7 +268,7 @@ class RelativeUnit : public UnitBase<Unit_T> {
   }
   template <typename T,
             typename std::enable_if_t<std::is_floating_point_v<T>>* = nullptr>
-  Unit_T operator/(T scalar) const {
+  constexpr Unit_T operator/(T scalar) const {
     return UnitBase<Unit_T>::FromValue(std::llround(this->ToValue() / scalar));
   }
   template <typename T,
@@ -276,7 +276,7 @@ class RelativeUnit : public UnitBase<Unit_T> {
   constexpr Unit_T operator/(T scalar) const {
     return UnitBase<Unit_T>::FromValue(this->ToValue() / scalar);
   }
-  Unit_T operator*(double scalar) const {
+  constexpr Unit_T operator*(double scalar) const {
     return UnitBase<Unit_T>::FromValue(std::llround(this->ToValue() * scalar));
   }
   constexpr Unit_T operator*(int64_t scalar) const {