Olivier Ramare on Mon, 23 Jun 2003 17:13:09 +0200

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The strange behaviour of glngamma

Dear all,

  glngamma has its argument between -Pi and Pi ....
So it is discontinuous. I would have expected it to
be continuous and with argument 0 on the real line.
That what I stupidly understood by "principal branch".
Any way to hack the existing code for that purpose ?