expm1

Calculates e^x - 1

@IEEECompliant("expm1", 42)

D

expm1

(

D

)

(

auto const ref D x

)

if (

)

Throws


InvalidOperationException	x is signaling NaN
UnderflowException	e^x - 1 is too small to be represented
OverflowException	e^x - 1 is too big to be represented
InexactException	the result is inexact

Special values


x	expm1(x)
NaN	NaN
±0.0	±0.0
-∞	-1.0
+∞	+∞

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