Thread: Changing from positive to negative numbers

Originally Posted by m37h0d

well, *= is certainly an improvement upon the rube goldberg in the OP at least lol

not sure if "0-x" is actually any simpler, but that's the only other thing i can think of.

No need for a constant either - a simple assignment, with no constants is all you need.

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Mats

x = -x;

Originally Posted by slingerland3g

Just saw this post and my quick thought was

Code:

cout << "-x = " << ~x+1 << '\n';

Was that what you were trying to convey mats? Given x has been initialized with a signed int variable.

No, robwhit gave the right answer: x = -x will negate an integer.

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Mats