Searched refs:tanh (Results 1 - 5 of 5) sorted by relevance

/osnet-11/usr/src/cmd/perl/5.8.4/distrib/lib/Math/
H A DComplex.t631 |'coth(z)':'1 / tanh(z)'
639 |'tanh(atanh(z))':'z'
653 |'atanh(tanh(z))':'z'
874 &tanh
883 &tanh
H A DTrig.pm210 B<sinh>, B<cosh>, B<tanh>
248 tanh
267 C<tan>, C<sec>, C<tanh>, C<sech>, the argument cannot be I<pi/2 + k *
H A DComplex.pm53 sinh cosh tanh
1087 # tanh
1089 # Computes the hyperbolic tangent tanh(z) = sinh(z) / cosh(z).
1091 sub tanh { subroutine
1094 _divbyzero "tanh($z)", "cosh($z)" if ($cz == 0);
1692 tanh(z) = sinh(z) / cosh(z) = (exp(z) - exp(-z)) / (exp(z) + exp(-z))
1696 coth(z) = 1 / tanh(z)
1881 tanh sech csch coth
1904 C<sec>, C<tanh>, the argument cannot be I<pi/2 + k * pi>, where I<k>
/osnet-11/usr/src/cmd/perl/5.8.4/distrib/ext/POSIX/
H A DPOSIX.pm806 frexp ldexp log10 modf pow sinh tan tanh)],
H A DPOSIX.xs1215 tanh(x)

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