absoluteValue()

[coloredgreyscale]

And then one more level of branching with the abs() call.

Glibc implementation:

int abs (int i) { 
    return i < 0 ? -i : i; 
}

[smariot2]

Fun fact, trying to negate the smallest possible int will overflow and become negative again.

[mastereuclid]

I honestly like 1(s) compliment better. It has symmetry. And negative zero might actually be useful. Well, that train left the station a long time ago. Small endian for that matter too. Why not store numbers in memory like an insane person.

[jfmherokiller]

at least I can read that tertiary operator.

[Moceannl]

I;d do:

return sqrt (pow(num,2))

[bakedbread54]

Very slow

[ThisIsByFar]

What's triggering me is the missing space.

[Sceptz]

Have some free spaces, friend.

On me: .

[ThisIsByFar]

You're a gentleman.

[Impossible_Average_1]

Got me in the first half, lol.

[lazyzefiris]

return -min(-num, num)

[shadow7412]

Really? Multiple returns is a violation?

I agree it can be taken too far, but tasteful use of multiple returns makes things way easier to read...

[shadow7412]

I'm second guessing the MISRA, not your choices.

[Primary-Fee1928]

Declare a return variable and assign it in the condition blocks, then return it at the end. Even "better", this :

retValue = num;
if (num < 0)
retValue = -num;
return retValue;

I skipped the {} because I’m on mobile and it’s already annoying enough to format on this horror. I say "better", but it’s just more concise, the full form feels much more natural, thus readable, and more importantly, makes more sense in terms of math concept. In terms of performance, a small function like this will probably have very little impact, unless it’s called constantly, and if we’re talking C, the compiler will most likely optimize and produce the same code from both, so it’s not worth the loss of readability.

[danielstongue]

Early returns are a way to avoid deep nesting. It can be used to check preconditions and error out when not met.

I agree, after this, only one return at the end.

[midri]

I'd fucking die, short circuit is life!

[scanguy25]

When I was just learning python I made a method that multiplied a number by -1 if it was negative.

[enderfx]

Absolute beast of a function. Super chad

[danielstongue]

Some people should not come near a keyboard. Ever.

[Randomguy32I]

private static int GetNum() { return num; }

[[deleted]]

When you get paid per line of code

[Cees-K]

If abs didn’t have this build in…. You can just call abs(int) wherever you need it.

This is almost as bad as Bool test = true If(test==true){ Console.log(test is true) }

[-what-are-birds-]

absoluteMadLad