CXML

LAPACK version 3.0

dladiv(3)

PURPOSE

DLADIV - perform complex division in real arithmetic a + i*b p + i*q = -- ------- c + i*d The algorithm is due to Robert L

SYNTAX

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

DESCRIPTION

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 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.

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