1d88394bcb
R=andrew@webrtc.org, mgraczyk@chromium.org Review URL: https://webrtc-codereview.appspot.com/38299004 Cr-Commit-Position: refs/heads/master@{#8621} git-svn-id: http://webrtc.googlecode.com/svn/trunk@8621 4adac7df-926f-26a2-2b94-8c16560cd09d
50 lines
1.2 KiB
C++
50 lines
1.2 KiB
C++
/*
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* Copyright (c) 2015 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef WEBRTC_MODULES_AUDIO_PROCESSING_BEAMFORMER_ARRAY_UTIL_H_
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#define WEBRTC_MODULES_AUDIO_PROCESSING_BEAMFORMER_ARRAY_UTIL_H_
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#include <cmath>
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namespace webrtc {
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// Coordinates in meters.
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template<typename T>
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struct CartesianPoint {
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CartesianPoint(T x, T y, T z) {
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c[0] = x;
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c[1] = y;
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c[2] = z;
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}
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T x() const {
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return c[0];
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}
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T y() const {
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return c[1];
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}
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T z() const {
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return c[2];
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}
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T c[3];
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};
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typedef CartesianPoint<float> Point;
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template<typename T>
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float Distance(CartesianPoint<T> a, CartesianPoint<T> b) {
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return std::sqrt((a.x() - b.x()) * (a.x() - b.x()) +
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(a.y() - b.y()) * (a.y() - b.y()) +
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(a.z() - b.z()) * (a.z() - b.z()));
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}
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} // namespace webrtc
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#endif // WEBRTC_MODULES_AUDIO_PROCESSING_BEAMFORMER_ARRAY_UTIL_H_
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