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---
:name: dlartv
:md5sum: 4f0bf90dcdf7a26f49b5a73714cdf127
:category: :subroutine
:arguments:
- n:
:type: integer
:intent: input
- x:
:type: doublereal
:intent: input/output
:dims:
- 1+(n-1)*incx
- incx:
:type: integer
:intent: input
- y:
:type: doublereal
:intent: input/output
:dims:
- 1+(n-1)*incy
- incy:
:type: integer
:intent: input
- c:
:type: doublereal
:intent: input
:dims:
- 1+(n-1)*incc
- s:
:type: doublereal
:intent: input
:dims:
- 1+(n-1)*incc
- incc:
:type: integer
:intent: input
:substitutions: {}
:fortran_help: " SUBROUTINE DLARTV( N, X, INCX, Y, INCY, C, S, INCC )\n\n\
* Purpose\n\
* =======\n\
*\n\
* DLARTV applies a vector of real plane rotations to elements of the\n\
* real vectors x and y. For i = 1,2,...,n\n\
*\n\
* ( x(i) ) := ( c(i) s(i) ) ( x(i) )\n\
* ( y(i) ) ( -s(i) c(i) ) ( y(i) )\n\
*\n\n\
* Arguments\n\
* =========\n\
*\n\
* N (input) INTEGER\n\
* The number of plane rotations to be applied.\n\
*\n\
* X (input/output) DOUBLE PRECISION array,\n\
* dimension (1+(N-1)*INCX)\n\
* The vector x.\n\
*\n\
* INCX (input) INTEGER\n\
* The increment between elements of X. INCX > 0.\n\
*\n\
* Y (input/output) DOUBLE PRECISION array,\n\
* dimension (1+(N-1)*INCY)\n\
* The vector y.\n\
*\n\
* INCY (input) INTEGER\n\
* The increment between elements of Y. INCY > 0.\n\
*\n\
* C (input) DOUBLE PRECISION array, dimension (1+(N-1)*INCC)\n\
* The cosines of the plane rotations.\n\
*\n\
* S (input) DOUBLE PRECISION array, dimension (1+(N-1)*INCC)\n\
* The sines of the plane rotations.\n\
*\n\
* INCC (input) INTEGER\n\
* The increment between elements of C and S. INCC > 0.\n\
*\n\n\
* =====================================================================\n\
*\n\
* .. Local Scalars ..\n INTEGER I, IC, IX, IY\n DOUBLE PRECISION XI, YI\n\
* ..\n"
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