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Function `std.math.isIdentical`

Is the binary representation of x identical to y?


						
				bool isIdentical
				(
				

				  real x,
				

				  real y
				

				) pure nothrow @nogc @trusted;

Same as ==, except that positive and negative zero are not identical, and two NANs are identical if they have the same 'payload'.

Example

assert( isIdentical(0.0, 0.0));
assert( isIdentical(1.0, 1.0));
assert( isIdentical(real.infinity, real.infinity));
assert( isIdentical(-real.infinity, -real.infinity));

assert(!isIdentical(0.0, -0.0));
assert(!isIdentical(real.nan, -real.nan));
assert(!isIdentical(real.infinity, -real.infinity));

Authors

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

License

Boost License 1.0.