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