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      1 /*
      2  * Copyright (C) 2010 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_HWUI_COMPARE_H
     18 #define ANDROID_HWUI_COMPARE_H
     19 
     20 #include <cmath>
     21 
     22 #define EPSILON 0.00001f
     23 
     24 #define ALMOST_EQUAL(u, v) (fabs((u) - (v)) < EPSILON)
     25 
     26 /**
     27  * Compare floats.
     28  */
     29 #define LTE_FLOAT(a) \
     30     if (a < rhs.a) return true; \
     31     if (a == rhs.a)
     32 
     33 /**
     34  * Compare integers.
     35  */
     36 #define LTE_INT(a) \
     37     if (a < rhs.a) return true; \
     38     if (a == rhs.a)
     39 
     40 #endif // ANDROID_HWUI_COMPARE_H
     41