Module rgsl::clausen

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Expand description

The Clausen function is defined by the following integral,

Cl_2(x) = - \int_0^x dt \log(2 \sin(t/2))

It is related to the dilogarithm by Cl_2(\theta) = \Im Li_2(\exp(i\theta)). !

Functions

  • clausen
    This routine computes the Clausen integral Cl_2(x).
  • clausen_e
    This routine computes the Clausen integral Cl_2(x).