Searched defs:acoth (Results 1 - 1 of 1) sorted by relevance

/osnet-11/usr/src/cmd/perl/5.8.4/distrib/lib/Math/
H A DComplex.pm56 acsch acosech asech acoth acotanh
1242 # acoth
1244 # Computes the arc hyperbolic cotangent acoth(z) = 1/2 log((1+z) / (z-1)).
1246 sub acoth { subroutine
1248 _divbyzero 'acoth(0)' if ($z == 0);
1253 _divbyzero 'acoth(1)', "$z - 1" if ($z - 1 == 0);
1254 _logofzero 'acoth(-1)', "1 + $z" if (1 + $z == 0);
1263 sub acotanh { Math::Complex::acoth(@_) }
1704 acoth(z) = atanh(1 / z) = 1/2 * log((1+z) / (z-1))
1882 atanh asech acsch acoth
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