12.2.48 conjugate [Function]

conjugate number ⇒ conjugate

Arguments and Values::

number—a number.

conjugate—a number.

Description::

Returns the complex conjugate of number. The conjugate of a

real

number is itself.

Examples::

 (conjugate #c(0 -1)) ⇒  #C(0 1)
 (conjugate #c(1 1)) ⇒  #C(1 -1)
 (conjugate 1.5) ⇒  1.5
 (conjugate #C(3/5 4/5)) ⇒  #C(3/5 -4/5)
 (conjugate #C(0.0D0 -1.0D0)) ⇒  #C(0.0D0 1.0D0)
 (conjugate 3.7) ⇒  3.7

Notes::

For a complex number z,

 (conjugate z) ≡ (complex (realpart z) (- (imagpart z)))