| /* |
| * Copyright (c) 2015 The WebRTC project authors. All Rights Reserved. |
| * |
| * Use of this source code is governed by a BSD-style license |
| * that can be found in the LICENSE file in the root of the source |
| * tree. An additional intellectual property rights grant can be found |
| * in the file PATENTS. All contributing project authors may |
| * be found in the AUTHORS file in the root of the source tree. |
| */ |
| |
| #ifndef WEBRTC_MODULES_AUDIO_PROCESSING_BEAMFORMER_ARRAY_UTIL_H_ |
| #define WEBRTC_MODULES_AUDIO_PROCESSING_BEAMFORMER_ARRAY_UTIL_H_ |
| |
| #include <cmath> |
| |
| namespace webrtc { |
| |
| // Coordinates in meters. |
| template<typename T> |
| struct CartesianPoint { |
| CartesianPoint(T x, T y, T z) { |
| c[0] = x; |
| c[1] = y; |
| c[2] = z; |
| } |
| T x() const { return c[0]; } |
| T y() const { return c[1]; } |
| T z() const { return c[2]; } |
| T c[3]; |
| }; |
| |
| using Point = CartesianPoint<float>; |
| |
| template<typename T> |
| float Distance(CartesianPoint<T> a, CartesianPoint<T> b) { |
| return std::sqrt((a.x() - b.x()) * (a.x() - b.x()) + |
| (a.y() - b.y()) * (a.y() - b.y()) + |
| (a.z() - b.z()) * (a.z() - b.z())); |
| } |
| |
| template <typename T> |
| struct SphericalPoint { |
| SphericalPoint(T azimuth, T elevation, T radius) { |
| s[0] = azimuth; |
| s[1] = elevation; |
| s[2] = radius; |
| } |
| T azimuth() const { return s[0]; } |
| T elevation() const { return s[1]; } |
| T distance() const { return s[2]; } |
| T s[3]; |
| }; |
| |
| using SphericalPointf = SphericalPoint<float>; |
| |
| } // namespace webrtc |
| |
| #endif // WEBRTC_MODULES_AUDIO_PROCESSING_BEAMFORMER_ARRAY_UTIL_H_ |