文件名称:7
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C语言:编写一个程序,检查所用的计算机系统的C编译在执行右移时是按照逻辑右移的原则,还是按照算术右移的原则进行操作。如果是逻辑右移,请编一个函数实现算术右移;如果是算术右移,请编一个函数实现逻辑右移。
编一个函数getbits,从一个16位的单元中取出某几位(即该几位保留原值,其余位为0)。函数调用形式为:getbits(value,n1,n2),其中value位该十六位数的值,n1为欲取出的起始位,n2位欲取出的结束位。(要求:把这几位数用八进制数打印出来。注意,应当将这几位数右移到最右端,然后用八进制形式输出。)-C language: write a program to check the computer systems used by the C compiler when shifted to the right in the implementation of the principle of logical right shift, or shifted to the right in accordance with the principles of arithmetic operations. If it is logically shifted to the right, please compile a function to achieve an arithmetic shift to the right if it is an arithmetic shift to the right, please compile a function to achieve the logical shift to the right.
编一个函数getbits,从一个16位的单元中取出某几位(即该几位保留原值,其余位为0)。函数调用形式为:getbits(value,n1,n2),其中value位该十六位数的值,n1为欲取出的起始位,n2位欲取出的结束位。(要求:把这几位数用八进制数打印出来。注意,应当将这几位数右移到最右端,然后用八进制形式输出。)-C language: write a program to check the computer systems used by the C compiler when shifted to the right in the implementation of the principle of logical right shift, or shifted to the right in accordance with the principles of arithmetic operations. If it is logically shifted to the right, please compile a function to achieve an arithmetic shift to the right if it is an arithmetic shift to the right, please compile a function to achieve the logical shift to the right.
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