init

Telegram/lib_base/base/algorithm.cpp

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+// This file is part of Desktop App Toolkit,
+// a set of libraries for developing nice desktop applications.
+//
+// For license and copyright information please follow this link:
+// https://github.com/desktop-app/legal/blob/master/LEGAL
+//
+#include "base/algorithm.h"
+
+#include "base/debug_log.h"
+
+#include <cfenv>
+
+namespace base {
+
+[[nodiscard]] double SafeRound(double value) {
+	Expects(!std::isnan(value));
+
+	if (const auto result = std::round(value); !std::isnan(result)) {
+		return result;
+	}
+	const auto errors = std::fetestexcept(FE_ALL_EXCEPT);
+	if (const auto result = std::round(value); !std::isnan(result)) {
+		return result;
+	}
+	LOG(("Streaming Error: Got second NAN in std::round(%1), fe: %2."
+		).arg(value
+		).arg(errors));
+	std::feclearexcept(FE_ALL_EXCEPT);
+	if (const auto result = std::round(value); !std::isnan(result)) {
+		return result;
+	}
+	Unexpected("NAN after third std::round.");
+}
+
+QString CleanAndSimplify(QString text) {
+	for (auto &ch : text) {
+		if (ch.unicode() < 32) {
+			ch = QChar(' ');
+		}
+	}
+	return text.simplified();
+}
+
+} // namespace base