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Function std.mathspecial.erf

Error function

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

The integral is

erf(x) = 2/ √(π) 0x exp( - t2) dt

The magnitude of x is limited to about 106.56 for IEEE 80-bit arithmetic; 1 or -1 is returned outside this range.


Stephen L. Moshier (original C code). Conversion to D by Don Clugston


Boost License 1.0.