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Returns (x * y) + z, rounding only once according to the current rounding mode.
real fma (
) pure nothrow @nogc @safe;
Not currently implemented - rounds twice.
writeln(fma(0.0, 2.0, 2.0)); // 2.0 writeln(fma(2.0, 2.0, 2.0)); // 6.0 writeln(fma(real
.infinity, 2.0, 2.0)); // real.infinity assert(fma(real .nan, 2.0, 2.0) is real .nan); assert(fma(2.0, 2.0, real .nan) is real .nan);
Walter Bright, Don Clugston, Conversion of CEPHES math library to D by Iain Buclaw and David Nadlinger
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