A tool for evaluating multiple NURBS curve/surface points using the GPU.
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#ifndef UNTITLED1_UTILS_H
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#define UNTITLED1_UTILS_H
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#define IN_UNIX 0 // 确定当前运行的操作系统（需要通过系统调用获得时间）
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#if IN_UNIX
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#include <sys/time.h>
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#include <ctime>
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double get_time();
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#else
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#include <windows.h>
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#include "device/Nurbs/bvh.cuh"
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double get_time();
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#endif
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/**
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* 保证释放后的指针指向空。这样一来保证指针不乱指，free的时候不会出错、二来可以判断指针是否已经free
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* 注意指针是引用传参，因为要把指针本身置空
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*/
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void safeCudaFree(float *&p);
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void safeCudaFree(BVHNode *&p);
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//template<typename T>
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void safeFree(float *&p);
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void safeFree(BVHNode *&p);
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#endif //UNTITLED1_UTILS_H
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