Lines Matching refs:negative
1167 # $z was large negative, therefore the sqrt is really
1189 # $z was large negative, therefore the sqrt is really
1580 its argument is only defined for non-negative real numbers and yields a
1581 non-negative real number (it is an application from B<R+> to B<R+>).
1583 negative real numbers to become an application from B<R> to B<C> (the
1594 Indeed, a negative real number can be noted C<[x,pi]> (the modulus
1595 I<x> is always non-negative, so C<[x,pi]> is really C<-x>, a negative
1600 which is exactly what we had defined for negative real numbers above.
1760 modulus must be non-negative (it represents the distance to the origin
1903 cannot be C<-i> (the negative imaginary unit). For the C<tan>,