NAME

dladiv - perform complex division in real arithmetic (p + i∗q) = (a + i∗b) / (c + i∗d)  The algorithm is due to Robert L

SYNOPSIS

SUBROUTINE DLADIV( A, B, C, D, P, Q )

DOUBLE PRECISION A, B, C, D, P, Q

#include <sunperf.h>

void dladiv(double a, double b, double c, double d, double ∗p, double ∗q) ;

PURPOSE

DLADIV performs complex division in  real arithmetic in D. Knuth, The art of Computer Programming, Vol.2, p.195
 

ARGUMENTS

A (input) DOUBLE PRECISION
B       (input) DOUBLE PRECISION C       (input) DOUBLE PRECISION D       (input) DOUBLE PRECISION The scalars a, b, c, and d in the above expression.

P (output) DOUBLE PRECISION

Q       (output) DOUBLE PRECISION
The scalars p and q in the above expression.

SunOS 5.0  —  Last change: 10 Dec 1998