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

/osnet-11/usr/src/cmd/perl/5.8.4/distrib/lib/Math/
H A DComplex.t164 'atan($i)',
175 'atan(-$i)',
624 |'tan(atan(z))':'z'
652 |'atan(tan(z))':'z'
787 &atan
796 &atan
H A DComplex.pm51 asin acos atan
979 # atan
981 # Computes the arc tangent atan(z) = i/2 log((i+z) / (i-z)).
983 sub atan { subroutine
988 _divbyzero "atan(i)" if ( $z == i);
989 _logofzero "atan(-i)" if (-$z == i); # -i is a bad file test...
1026 # Computes the arc cotangent acot(z) = atan(1 / z)
1035 return atan(1 / $z);
1268 # Compute atan(z1/z2).
1284 my $w = atan(
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H A DTrig.pm197 B<asin>, B<acos>, B<atan>
/osnet-11/usr/src/cmd/perl/5.8.4/distrib/ext/POSIX/
H A DPOSIX.pm805 math_h => [qw(HUGE_VAL acos asin atan ceil cosh fabs floor fmod
H A DPOSIX.xs1159 atan(x)

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