dladiv(3)

NAME

DLADIV - perform complex division in real arithmetic a +

i*b p + i*q = --------- 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

PURPOSE

DLADIV performs complex division in real arithmetic a +

i*b p + i*q = --------- c + i*d The algorithm is due to Robert L.

Smith and can be found in D. Knuth, The art of Computer Program

ming, 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.

LAPACK version 3.0 15 June 2000

DLADIV(3)