exp2m1

Calculates 2^x - 1

@IEEECompliant("exp2m1", 42)

exp2m1

(

)

(

auto const ref D x

)

if (

)

Throws


InvalidOperationException	x is signaling NaN
UnderflowException	2^x - 1 is too small to be represented
OverflowException	2^x - 1 is too big to be represented
InexactException	the result is inexact

decimal32 x = 3;
assert(exp2m1(x) == 7);