|  | ANSI Common Lisp  12 Numbers  12.2 Dictionary of Numbers 
 
| 12.2.48  conjugate | Function |  
 Syntax:
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)))
 
Allegro CL Implementation Details:
 None. |