dev-cpp/fast_double_parser: new package

I need this as a dependency for gui-apps/organicmaps

Was discussed here https://github.com/gentoo/guru/pull/293

Signed-off-by: Vitaly Zdanevich <zdanevich.vitaly@ya.ru>
Closes: https://github.com/gentoo/guru/pull/295
Signed-off-by: David Roman <davidroman96@gmail.com>

dev-cpp/fast_double_parser/Manifest

@@ -0,0 +1 @@
+DIST fast_double_parser-0.8.0.tar.gz 637032 BLAKE2B ddd8ca6b86321335bc4fd33dd474a7748968941635ba0448fa8cf8ddad4a97f4a25c0e874ef66351dfb792e0e884e55490fa6e211e855e140149a4d8ca8be7d3 SHA512 41115f3c3b77ad430b0b4a1e622dd2a911ce3283bfd4190b5081f368cd1c371c68cf49789a12a2ed610a91e5b4693fe0b9b0d07876e82cfb0b106a6bc33dedd0

dev-cpp/fast_double_parser/fast_double_parser-0.8.0.ebuild

@@ -0,0 +1,18 @@
+# Copyright 2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit cmake
+
+DESCRIPTION="Parse strings into double floating-point values"
+
+HOMEPAGE="https://github.com/lemire/fast_double_parser"
+
+SRC_URI="https://github.com/lemire/fast_double_parser/archive/refs/tags/v${PV}.tar.gz -> ${P}.tar.gz"
+
+LICENSE="|| ( Apache-2.0 Boost-1.0 )"
+
+SLOT="0"
+
+KEYWORDS="~amd64"

dev-cpp/fast_double_parser/metadata.xml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+	<maintainer type="person">
+		<email>zdanevich.vitaly@ya.ru</email>
+		<name>Vitaly Zdanevich</name>
+	</maintainer>
+	<upstream>
+		<remote-id type="github">lemire/fast_double_parser</remote-id>
+	</upstream>
+</pkgmetadata>