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Function std.math.exp

Calculates ex.

real exp (
  real x
) pure nothrow @nogc @trusted;

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

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

Special Values
x ex
+∞ +∞
-∞ +0.0
NAN NAN

Example

writeln(exp(0.0)); // 1.0
assert(exp(3.0).feqrel(E * E * E) > 16);

Authors

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

License

Boost License 1.0.