frequency.cc (964B)
1 /* 2 * Copyright (c) 2019 The WebRTC project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 #include "api/units/frequency.h" 11 12 #include <cstdint> 13 #include <string> 14 15 #include "rtc_base/strings/string_builder.h" 16 17 namespace webrtc { 18 std::string ToString(Frequency value) { 19 char buf[64]; 20 SimpleStringBuilder sb(buf); 21 if (value.IsPlusInfinity()) { 22 sb << "+inf Hz"; 23 } else if (value.IsMinusInfinity()) { 24 sb << "-inf Hz"; 25 } else if (value.millihertz<int64_t>() % 1000 != 0) { 26 sb.AppendFormat("%.3f Hz", value.hertz<double>()); 27 } else { 28 sb << value.hertz<int64_t>() << " Hz"; 29 } 30 return sb.str(); 31 } 32 } // namespace webrtc