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fdfb3194cf9c55addd3fc728ed48ad5ba0e4f38e
[reactos.git]
/
lib
/
crtdll
/
math
/
atanh.c
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/* Copyright (C) 1994 DJ Delorie, see COPYING.DJ for details */
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#include <crtdll/math.h>
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double
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atanh(double x)
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{
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return log((1+x)/(1-x)) / 2.0;
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}