3F880000化为二进制0011 1111 1000 1000 0000 0000 0000 0000按IEEE754标准,32位浮点数应表示为0 01111111 00010000000000000000000指数e = 0111111 - 127 = 0尾数1.0001 = 1 + 2^(-4) = 1.0625x = (-1)^0 * 1.0625 * 2^0 = 1.0625
3F880000化为二进制0011 1111 1000 1000 0000 0000 0000 0000按IEEE754标准,32位浮点数应表示为0 01111111 00010000000000000000000指数e = 0111111 - 127 = 0尾数1.0001 = 1 + 2^(-4) = 1.0625x = (-1)^0 * 1.0625 * 2^0 = 1.0625