C++总结

double转字符串输出:

#include <windows.h>
char outStr2[1000];//
sprintf(outStr2, "%lf \n", dst[width * (y + y_padding) + x + x_padding]);//将double转字符串;
OutputDebugString(outStr2);

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全局变量必须用.h和.cpp

.h

extern int outSize;

.cpp

int outSize=0;