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/*
* Copyright (C) 2014 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef MATHUTILS_H
#define MATHUTILS_H
namespace android {
namespace uirenderer {
class MathUtils {
private:
static const float gNonZeroEpsilon = 0.001f;
public:
/**
* Check for floats that are close enough to zero.
*/
inline static bool isZero(float value) {
return (value >= -gNonZeroEpsilon) && (value <= gNonZeroEpsilon);
}
inline static bool isPositive(float value) {
return value >= gNonZeroEpsilon;
}
}; // class MathUtils
} /* namespace uirenderer */
} /* namespace android */
#endif /* MATHUTILS_H */
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