SLADIV (3) - Linux Manuals

NAME

sladiv.f -

SYNOPSIS

Functions/Subroutines

subroutine sladiv (A, B, C, D, P, Q)
SLADIV performs complex division in real arithmetic, avoiding unnecessary overflow.

Function/Subroutine Documentation

subroutine sladiv (realA, realB, realC, realD, realP, realQ)

SLADIV performs complex division in real arithmetic, avoiding unnecessary overflow.

Purpose:

 SLADIV 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

 

Parameters:

A

          A is REAL

B

          B is REAL

C

          C is REAL

D

          D is REAL
          The scalars a, b, c, and d in the above expression.

P

          P is REAL

Q

          Q is REAL
          The scalars p and q in the above expression.

 

Author:

Univ. of Tennessee

Univ. of California Berkeley

Univ. of Colorado Denver

NAG Ltd.

Date:

September 2012

Definition at line 91 of file sladiv.f.

Author

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