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Is the binary representation of x identical to y?
bool isIdentical (
) pure nothrow @nogc @trusted;
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));
Walter Bright, Don Clugston, Conversion of CEPHES math library to D by Iain Buclaw and David Nadlinger