1 /* 2 * Copyright (C) 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef ANDROID_HARDWARE_AUDIO_V2_0_UTIL_H 18 #define ANDROID_HARDWARE_AUDIO_V2_0_UTIL_H 19 20 namespace android { 21 namespace hardware { 22 namespace audio { 23 namespace V2_0 { 24 namespace implementation { 25 26 /** @return true if gain is between 0 and 1 included. */ 27 constexpr bool isGainNormalized(float gain) { 28 return gain >= 0.0 && gain <= 1.0; 29 } 30 31 } // namespace implementation 32 } // namespace V2_0 33 } // namespace audio 34 } // namespace hardware 35 } // namespace android 36 37 #endif // ANDROID_HARDWARE_AUDIO_V2_0_UTIL_H 38