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Function `std.math.fabs`

Returns |x|


						
				real fabs
				(
				

				  real x
				

				) pure nothrow @nogc @safe;
				

				

				double fabs
				(
				

				  double d
				

				) pure nothrow @nogc @trusted;
				

				

				float fabs
				(
				

				  float f
				

				) pure nothrow @nogc @trusted;

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

Example


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

Authors

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

License

Boost License 1.0.