exp

Calculates e^x.

Special Values
x	e^x
+∞	+∞
-∞	+0.0
NaN	NaN

real exp(real x)
@trusted pure nothrow @nogc
real
exp
(
real x
)
double exp(double x)
float exp(float x)

Examples

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

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