Today (Saturday) We will make some minor tuning adjustments to MySQL.

You may experience 2 up to 10 seconds "glitch time" when we restart MySQL. We expect to make these adjustments around 1AM Eastern Daylight Saving Time (EDT) US.

Linux and UNIX Man Pages

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RedHat 9 (Linux i386) - man page for atanh (redhat section 3)

ATANH(3)						     Linux Programmer's Manual							  ATANH(3)

NAME
atanh - inverse hyperbolic tangent function
SYNOPSIS
#include <math.h> double atanh(double x);
DESCRIPTION
The atanh() function calculates the inverse hyperbolic tangent of x; that is the value whose hyperbolic tangent is x. If the absolute value of x is greater than 1.0, acosh() returns not-a-number (NaN) and errno is set.
ERRORS
EDOM x is out of range.
CONFORMING TO
SVID 3, POSIX, BSD 4.3, ISO 9899
SEE ALSO
asinh(3), acosh(3), cosh(3), sinh(3), tanh(3) 1993-06-13 ATANH(3)

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