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From 795c311aae4b718585bc6194189f061000c823a1 Mon Sep 17 00:00:00 2001
From: Stephan Hartmann <stha09@googlemail.com>
Date: Fri, 23 Dec 2022 14:28:55 +0000
Subject: [PATCH] libstdc++: fix narrowing in blink::DarkModeLABColorSpace
Clang-14 errors out with narrowing from double to float. Use std::pow
instead.
---
.../renderer/platform/graphics/dark_mode_lab_color_space.h | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/third_party/blink/renderer/platform/graphics/dark_mode_lab_color_space.h b/third_party/blink/renderer/platform/graphics/dark_mode_lab_color_space.h
index 999c3e5..c18ea7b 100644
--- a/third_party/blink/renderer/platform/graphics/dark_mode_lab_color_space.h
+++ b/third_party/blink/renderer/platform/graphics/dark_mode_lab_color_space.h
@@ -125,7 +125,7 @@ class DarkModeLABColorSpace {
// https://en.wikipedia.org/wiki/CIELAB_color_space#Reverse_transformation.
SkV3 FromXYZ(const SkV3& v) const {
auto f = [](float x) {
- return x > kSigma3 ? pow(x, 1.0f / 3.0f)
+ return x > kSigma3 ? std::pow(x, 1.0f / 3.0f)
: x / (3 * kSigma2) + 4.0f / 29.0f;
};
@@ -145,7 +145,8 @@ class DarkModeLABColorSpace {
// https://en.wikipedia.org/wiki/CIELAB_color_space#Forward_transformation.
SkV3 ToXYZ(const SkV3& lab) const {
auto invf = [](float x) {
- return x > kSigma ? pow(x, 3.0f) : 3.0f * kSigma2 * (x - 4.0f / 29.0f);
+ return x > kSigma ? std::pow(x, 3.0f)
+ : 3.0f * kSigma2 * (x - 4.0f / 29.0f);
};
SkV3 v = {Clamp(lab.x, 0.0f, 100.0f), Clamp(lab.y, -128.0f, 128.0f),
--
2.38.2
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