2 * Copyright (C) 2007 The Android Open Source Project
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
17 #ifndef ANDROID_SURFACE_FLINGER_CLZ_H
23 int inline clz(int32_t x) {
24 return __builtin_clz(x);
28 static inline T min(T a, T b) {
32 static inline T min(T a, T b, T c) {
33 return min(a, min(b, c));
36 static inline T min(T a, T b, T c, T d) {
37 return min(a, b, min(c, d));
41 static inline T max(T a, T b) {
45 static inline T max(T a, T b, T c) {
46 return max(a, max(b, c));
49 static inline T max(T a, T b, T c, T d) {
50 return max(a, b, max(c, d));
55 void swap(T& a, T& b) {
62 }; // namespace android
64 #endif /* ANDROID_SURFACE_FLINGER_CLZ_H */