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Function `std.math.exponential.exp`

Calculates e^x.


						
				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	e^x
+∞	+∞
-∞	+0.0
NAN	NAN

Example

import std.math.operations : feqrel;
import std.math.constants : E;

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.