Kata

In this simple assignment you are given a number and have to make it negative. But maybe the number is already negative?

Examples

Input:  1  =>  Output: -1
Input: -5  =>  Output: -5
Input:  0  =>  Output:  0

makeNegative(1);  // return -1
makeNegative(-5); // return -5
makeNegative(0);  // return 0

makeNegative(1);  // return -1
makeNegative(-5); // return -5
makeNegative(0);  // return 0

makeNegative(1);  // return -1
makeNegative(-5); // return -5
makeNegative(0);  // return 0

Kata.MakeNegative(1);  // return -1
Kata.MakeNegative(-5); // return -5
Kata.MakeNegative(0);  // return 0

Kata.makeNegative(1);  // return -1
Kata.makeNegative(-5); // return -5
Kata.makeNegative(0);  // return 0

make_negative(1);  # return -1
make_negative(-5); # return -5
make_negative(0);  # return 0

make_negative(1);  # return -1
make_negative(-5); # return -5
make_negative(0);  # return 0

make_negative(1);  # return -1
make_negative(-5); # return -5
make_negative(0);  # return 0

makeNegative(1);    // return -1
makeNegative(-5);   // return -5
makeNegative(0);    // return 0
makeNegative(0.12); // return -0.12

makeNegative(1);    // return -1
makeNegative(-5);   // return -5
makeNegative(0);    // return 0
makeNegative(0.12); // return -0.12

makeNegative(1);  // return -1
makeNegative(-5); // return -5
makeNegative(0);  // return 0

makeNegative(1);  // return -1
makeNegative(-5); // return -5
makeNegative(0);  // return 0

makeNegative    1 -- return -1
makeNegative (-5) -- return -5
makeNegative    0 -- return 0
makeNegative 0.12 -- return -0.12

makeNegative(1);  # return -1
makeNegative(-5); # return -5
makeNegative(0);  # return 0

makeNegative 1    # return -1
makeNegative -5   # return -5
makeNegative 0    # return 0

make_negative 1    # return -1
make_negative -5   # return -5
make_negative 0    # return 0

MakeNegative(1)    // return -1
MakeNegative(-5)   // return -5
MakeNegative(0)    // return 0

Kata.makenegative(1)  # return -1
Kata.makenegative(-5) # return -5
Kata.makenegative(0)  # return 0

Kata().makeNegative(1)  // return -1
Kata().makeNegative(-5) // return -5
Kata().makeNegative(0)  // return 0

make_negative(1);    // return -1
make_negative(-5);   // return -5
make_negative(0);    // return 0

Kata.makeNegative(1)    // return -1
Kata.makeNegative(-5)   // return -5
Kata.makeNegative(0)    // return 0

makeNegative(1)    // return -1
makeNegative(-5)   // return -5
makeNegative(0)    // return 0
makeNegative(0.12) // return -0.12

(make-negative 1)    ; -1
(make-negative -5)   ; -5
(make-negative 0)    ; 0
(make-negative 0.12) ; -0.12

make_negative(1);  // return -1 
make_negative(-5); // return -5
make_negative(0);  // return 0

Negative.makeNegative(1)  // return -1
Negative.makeNegative(-5) // return -5
Negative.makeNegative(0)  // return 0

Kata::make_negative(1)     # return -1
Kata::make_negative(-5)    # return -5
Kata::make_negative(0)     # return 0
Kata::make_negative(0.12); # return -0.12

        MAKE-NEGATIVE 1
      * RESULT = -1
        MAKE-NEGATIVE -5
      * RESULT = -5
        MAKE-NEGATIVE 0
      * RESULT = 0

(make-negative  1)  ; return -1
(make-negative  -5) ; return -5
(make-negative  0)  ; return 0

Notes

• The number can be negative already, in which case no change is required.
• Zero (0) is not checked for any specific sign. Negative zeros make no mathematical sense.