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Function std.math.asinh

Calculates the inverse hyperbolic sine of x.

Mathematically, 

asinh(x) =  log( x + sqrt( x*x + 1 )) // if x >= +0
asinh(x) = -log(-x + sqrt( x*x + 1 )) // if x <= -0

x, asinh(x) , ±0, ±0 ±∞,±∞

Prototypes

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

double asinh(
  double x
) pure nothrow @nogc @safe;

float asinh(
  float x
) pure nothrow @nogc @safe;

Authors

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

License

Boost License 1.0.

Comments