110454Sdlw /* 222847Skre * Copyright (c) 1980 Regents of the University of California. 322847Skre * All rights reserved. The Berkeley software License Agreement 422847Skre * specifies the terms and conditions for redistribution. 522847Skre * 6*29962Smckusick * @(#)d_cnjg.c 5.2 11/03/86 710454Sdlw */ 810454Sdlw 910454Sdlw #include "complex" 10*29962Smckusick #ifdef tahoe 11*29962Smckusick #include <tahoemath/FP.h> 12*29962Smckusick #endif tahoe 1310454Sdlw 1410454Sdlw d_cnjg(r, z) 1510454Sdlw dcomplex *r, *z; 1610454Sdlw { 1710454Sdlw r->dreal = z->dreal; 18*29962Smckusick #ifndef tahoe 1910454Sdlw r->dimag = - z->dimag; 20*29962Smckusick #else tahoe 21*29962Smckusick r->dimag = z->dimag; 22*29962Smckusick if (z->dimag == 0.0) 23*29962Smckusick return; 24*29962Smckusick else 25*29962Smckusick *(unsigned long *)&(z->dimag) ^= SIGN_BIT; 26*29962Smckusick #endif tahoe 2710454Sdlw } 28