abs

Calculates the absolute value of a number.

@nogc pure nothrow

auto

abs

(

Num

)

(

Num x

)

if (

(

is(immutable Num == immutable short) ||

is(immutable Num == immutable byte)

) ||

(

is(typeof(Num.init >= 0)) &&

is(typeof(-Num.init))

)

Parameters

Num: (template parameter) type of number
x Num: real number value

Return Value

Type: auto

The absolute value of the number. If floating-point or integral, the return type will be the same as the input.

Limitations: Does not work correctly for signed intergal types and value Num.min.

Examples

ditto

import std.math.traits : isIdentical, isNaN;

assert(isIdentical(abs(-0.0L), 0.0L));
assert(isNaN(abs(real.nan)));
assert(abs(-real.infinity) == real.infinity);
assert(abs(-56) == 56);
assert(abs(2321312L)  == 2321312L);

abs

Parameters

Return Value

Examples

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