c++ uchar float转换

在uchar范围0-255内可以转换

#include <iostream>
#include "squaresum.h"
#include <stdio.h>int main(){float f=255;unsigned char c;c =(unsigned char) f;printf("%u %c\n",c,c);f=256;c =(unsigned char) f;printf("%u %c\n",c,c);
}

输出

255 �
0 

c++ uchar float转换

在uchar范围0-255内可以转换

#include <iostream>
#include "squaresum.h"
#include <stdio.h>int main(){float f=255;unsigned char c;c =(unsigned char) f;printf("%u %c\n",c,c);f=256;c =(unsigned char) f;printf("%u %c\n",c,c);
}

输出

255 �
0