C语言 16进制转float

float hex_to_float(uint8_t *data)

{

float num = 0.0;

uint8_t dd[4] = {data[0], data[1], data[2], data[3]};

float *ret = (float *)dd;

num = *ret;

printf("float vlaue : %f ", num);

 

return num;

}