dladiv.f(3) LAPACK dladiv.f(3)NAME
dladiv.f -
SYNOPSIS
Functions/Subroutines
subroutine dladiv (A, B, C, D, P, Q)
DLADIV performs complex division in real arithmetic, avoiding
unnecessary overflow.
Function/Subroutine Documentation
subroutine dladiv (double precisionA, double precisionB, double precisionC,
double precisionD, double precisionP, double precisionQ)
DLADIV performs complex division in real arithmetic, avoiding
unnecessary overflow.
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 Programming, Vol.2, p.195
Parameters:
A
A is DOUBLE PRECISION
B
B is DOUBLE PRECISION
C
C is DOUBLE PRECISION
D
D is DOUBLE PRECISION
The scalars a, b, c, and d in the above expression.
P
P is DOUBLE PRECISION
Q
Q is DOUBLE PRECISION
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 dladiv.f.
Author
Generated automatically by Doxygen for LAPACK from the source code.
Version 3.4.2 Tue Sep 25 2012 dladiv.f(3)