acos

Calculates the arc cosine of x, returning a value ranging from 0 to π. Exceptions:


InvalidOperationException	x is signaling NaN or \|x\| > 1.0
InexactException	the result is inexact

@IEEECompliant("acos", 43)

acos

(

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(

auto const ref D x

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if (

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Detailed Description

decimal32 x = 0;
assert(acos(x) == decimal32.PI_2);