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Function std.math.algebraic.fabs

Returns |x|

real fabs (
  real x
) pure nothrow @nogc @safe;

double fabs (
  double x
) pure nothrow @nogc @safe;

float fabs (
  float x
) pure nothrow @nogc @safe;

Special Values
x fabs(x)
±0.0 +0.0
±∞ +∞


import std.math.traits : isIdentical;

assert(isIdentical(fabs(0.0f), 0.0f));
assert(isIdentical(fabs(-0.0f), 0.0f));
writeln(fabs(-10.0f)); // 10.0f

assert(isIdentical(fabs(0.0), 0.0));
assert(isIdentical(fabs(-0.0), 0.0));
writeln(fabs(-10.0)); // 10.0

assert(isIdentical(fabs(0.0L), 0.0L));
assert(isIdentical(fabs(-0.0L), 0.0L));
writeln(fabs(-10.0L)); // 10.0L


Walter Bright, Don Clugston, Conversion of CEPHES math library to D by Iain Buclaw and David Nadlinger


Boost License 1.0.