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(root)/programs/develop/libraries/menuetlibc/src/libc/ansi/math/atanh.c – Rev 4973

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/* Copyright (C) 1994 DJ Delorie, see COPYING.DJ for details */
#include <math.h>
double
atanh(double x)
{
return log((1+x)/(1-x)) / 2.0;
}