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chromium-73-gcc-2.patch
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chromium-73-gcc-2.patch
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From a5ba6f9bb7665040045dc0f8087407096630ad7b Mon Sep 17 00:00:00 2001
From: Raphael Kubo da Costa <[email protected]>
Date: Fri, 8 Feb 2019 02:57:28 +0000
Subject: [PATCH] color_utils: Use std::sqrt() instead of std::sqrtf()
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
This fixes the build with libstdc++:
../../ui/gfx/color_utils.cc: In function ‘SkColor color_utils::SetDarkestColorForTesting(SkColor)’:
../../ui/gfx/color_utils.cc:434:12: error: ‘sqrtf’ is not a member of ‘std’
std::sqrtf((dark_luminance + 0.05f) * (kWhiteLuminance + 0.05f)) - 0.05f;
^~~~~
../../ui/gfx/color_utils.cc:434:12: note: suggested alternative: ‘sqrt’
std::sqrtf((dark_luminance + 0.05f) * (kWhiteLuminance + 0.05f)) - 0.05f;
^~~~~
sqrt
sqrtf() is not formally part of C++14 as far as I can see even though libc++
has it in <cmath>. Additionally, we're only dealing with floats in all parts
of the expression above, so using the float sqrt() overload should be
harmless anyway.
Bug: 819294
Change-Id: If6c7bf31819df97a761e6963def6d6506154c34d
Reviewed-on: https://chromium-review.googlesource.com/c/1458193
Auto-Submit: Raphael Kubo da Costa <[email protected]>
Reviewed-by: Peter Kasting <[email protected]>
Commit-Queue: Raphael Kubo da Costa <[email protected]>
Cr-Commit-Position: refs/heads/master@{#630140}
---
ui/gfx/color_utils.cc | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/ui/gfx/color_utils.cc b/ui/gfx/color_utils.cc
index c868cd54bac3..92ba1407d594 100644
--- a/ui/gfx/color_utils.cc
+++ b/ui/gfx/color_utils.cc
@@ -431,7 +431,7 @@ SkColor SetDarkestColorForTesting(SkColor color) {
// GetContrastRatio(kWhiteLuminance, g_luminance_midpoint). The formula below
// can be verified by plugging it into how GetContrastRatio() operates.
g_luminance_midpoint =
- std::sqrtf((dark_luminance + 0.05f) * (kWhiteLuminance + 0.05f)) - 0.05f;
+ std::sqrt((dark_luminance + 0.05f) * (kWhiteLuminance + 0.05f)) - 0.05f;
return previous_darkest_color;
}
--
2.20.1