Question

// Write a function that returns 0 if x is 0, returns -1

// if x < 0, returns 1 if x > 0

// Your code must follow the Bit-Level Integer Coding Rules

// on the textbook (located between hw 2.60 and 2.61).

// You can assume w = 32.

// The only allowed operations in your code are:

// ! ~ & ^ | + << >>

// This requirement is more restrictive than the coding rules.

int sign(int x) {

return 0;

}

Answer 1

CODE

// Write a function that returns 0 if x is 0, returns -1

// if x < 0, returns 1 if x > 0

// Your code must follow the Bit-Level Integer Coding Rules

// on the textbook (located between hw 2.60 and 2.61).

// You can assume w = 32.

// The only allowed operations in your code are:

// ! ~ & ^ | + << >>

// This requirement is more restrictive than the coding rules.

int sign(int x) {

    return 1 + (x >> 31) - (-x >> 31);

}