#include <stdio.h>
 
typedef union
{
    float fdata;
    unsigned long ldata;
} u_float_long_union;
 
float byte_to_float(unsigned char byte[]) {
    u_float_long_union u;
    u.ldata = (unsigned long)byte[0] | 
              ((unsigned long)byte[1] << 8) |
              ((unsigned long)byte[2] << 16) |
              ((unsigned long)byte[3] << 24);
    return u.fdata;
}
 
int main() {
    unsigned char bytes[] = {0xC0, 0x8C, 0x4A, 0x3F};
    float result = byte_to_float(bytes);
    printf("The float value is: %f\n", result);
    return 0;
}

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