"Manuel Liedel" <Manuel.Liedel at gmx.de> writes: I get an error from gmp_printf which I do not understand. It relates to output of a number very close to one. The followig code produces an error: Please try this patch: http://gmplib.org:8000/gmp/raw-rev/113f517b9bfe Thanks to Paul and Marc for their analysis of the problem! -- Torbjörn