dlargv.f (3)  Linux Man Pages
NAME
dlargv.f 
SYNOPSIS
Functions/Subroutines
subroutine dlargv (N, X, INCX, Y, INCY, C, INCC)
DLARGV generates a vector of plane rotations with real cosines and real sines.
Function/Subroutine Documentation
subroutine dlargv (integerN, double precision, dimension( * )X, integerINCX, double precision, dimension( * )Y, integerINCY, double precision, dimension( * )C, integerINCC)
DLARGV generates a vector of plane rotations with real cosines and real sines.
Purpose:

DLARGV generates a vector of real plane rotations, determined by elements of the real vectors x and y. For i = 1,2,...,n ( c(i) s(i) ) ( x(i) ) = ( a(i) ) ( s(i) c(i) ) ( y(i) ) = ( 0 )
Parameters:

N
N is INTEGER The number of plane rotations to be generated.
XX is DOUBLE PRECISION array, dimension (1+(N1)*INCX) On entry, the vector x. On exit, x(i) is overwritten by a(i), for i = 1,...,n.
INCXINCX is INTEGER The increment between elements of X. INCX > 0.
YY is DOUBLE PRECISION array, dimension (1+(N1)*INCY) On entry, the vector y. On exit, the sines of the plane rotations.
INCYINCY is INTEGER The increment between elements of Y. INCY > 0.
CC is DOUBLE PRECISION array, dimension (1+(N1)*INCC) The cosines of the plane rotations.
INCCINCC is INTEGER The increment between elements of C. INCC > 0.
Author:

Univ. of Tennessee
Univ. of California Berkeley
Univ. of Colorado Denver
NAG Ltd.
Date:
 September 2012
Definition at line 105 of file dlargv.f.
Author
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