Complex Numbers
[libbn (numerical functions)]

Collaboration diagram for Complex Numbers:

Files
file	complex.c
Data Structures
struct	bn_complex
Defines
#define	bn_cx_copy(ap, bp)   {*(ap) = *(bp);}
#define	bn_cx_neg(cp)   { (cp)->re = -((cp)->re);(cp)->im = -((cp)->im);}
#define	bn_cx_real(cp)   (cp)->re
#define	bn_cx_imag(cp)   (cp)->im
#define	bn_cx_add(ap, bp)   { (ap)->re += (bp)->re; (ap)->im += (bp)->im;}
#define	bn_cx_ampl(cp)   hypot( (cp)->re, (cp)->im )
#define	bn_cx_amplsq(cp)   ( (cp)->re * (cp)->re + (cp)->im * (cp)->im )
#define	bn_cx_conj(cp)   { (cp)->im = -(cp)->im; }
#define	bn_cx_cons(cp, r, i)   { (cp)->re = r; (cp)->im = i; }
#define	bn_cx_phas(cp)   atan2( (cp)->im, (cp)->re )
#define	bn_cx_scal(cp, s)   { (cp)->re *= (s); (cp)->im *= (s); }
#define	bn_cx_sub(ap, bp)   { (ap)->re -= (bp)->re; (ap)->im -= (bp)->im;}
#define	bn_cx_mul(ap, bp)
#define	bn_cx_mul2(ap, bp, cp)
Typedefs
typedef bn_complex	bn_complex_t
Functions
void	bn_cx_div (bn_complex_t *ap, const bn_complex_t *bp)
void	bn_cx_sqrt (bn_complex_t *op, const bn_complex_t *ip)

---

Define Documentation

#define bn_cx_copy (  ap, bp   )     {*(ap) = *(bp);}

Definition at line 311 of file bn.h.

#define bn_cx_neg (  cp   )     { (cp)->re = -((cp)->re);(cp)->im = -((cp)->im);}

Definition at line 312 of file bn.h.

#define bn_cx_real (  cp   )     (cp)->re

Definition at line 313 of file bn.h. Referenced by rt_poly_checkroots().

#define bn_cx_imag (  cp   )     (cp)->im

Definition at line 314 of file bn.h. Referenced by rt_poly_checkroots().

#define bn_cx_add (  ap, bp   )     { (ap)->re += (bp)->re; (ap)->im += (bp)->im;}

Definition at line 316 of file bn.h. Referenced by rt_poly_eval_w_2derivatives(), and rt_poly_findroot().

#define bn_cx_ampl (  cp   )     hypot( (cp)->re, (cp)->im )

Definition at line 317 of file bn.h. Referenced by bn_cx_sqrt().

#define bn_cx_amplsq (  cp   )     ( (cp)->re * (cp)->re + (cp)->im * (cp)->im )

Definition at line 318 of file bn.h. Referenced by rt_poly_deflate(), and rt_poly_findroot().

#define bn_cx_conj (  cp   )     { (cp)->im = -(cp)->im; }

Definition at line 319 of file bn.h.

#define bn_cx_cons (  cp, r, i   )     { (cp)->re = r; (cp)->im = i; }

Definition at line 320 of file bn.h. Referenced by rt_poly_eval_w_2derivatives().

#define bn_cx_phas (  cp   )     atan2( (cp)->im, (cp)->re )

Definition at line 321 of file bn.h.

#define bn_cx_scal (  cp, s   )     { (cp)->re *= (s); (cp)->im *= (s); }

Definition at line 322 of file bn.h. Referenced by rt_poly_findroot().

#define bn_cx_sub (  ap, bp   )     { (ap)->re -= (bp)->re; (ap)->im -= (bp)->im;}

Definition at line 323 of file bn.h. Referenced by rt_poly_findroot().

#define bn_cx_mul (  ap, bp   )

Value: { FAST fastf_t a__re, b__re; \ (ap)->re = ((a__re=(ap)->re)*(b__re=(bp)->re)) - (ap)->im*(bp)->im; \ (ap)->im = a__re*(bp)->im + (ap)->im*b__re; } Definition at line 325 of file bn.h. Referenced by rt_poly_eval_w_2derivatives().

#define bn_cx_mul2 (  ap, bp, cp   )

Value: { \ (ap)->re = (cp)->re * (bp)->re - (cp)->im * (bp)->im; \ (ap)->im = (cp)->re * (bp)->im + (cp)->im * (bp)->re; } Definition at line 331 of file bn.h. Referenced by rt_poly_findroot().

---

Typedef Documentation

typedef struct bn_complex bn_complex_t

---

Function Documentation

void bn_cx_div (  bn_complex_t *  ap, const bn_complex_t *  bp )

Referenced by rt_poly_findroot().

void bn_cx_sqrt (  bn_complex_t *  op, const bn_complex_t *  ip )

Referenced by rt_poly_findroot().

---