GNU/Linux |
CentOS 4.8 |
i386 |
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zlacrt(l) |
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ZLACRT - perform the operation ( c s )( x ) ==> ( x ) ( -s c )( y ) ( y ) where c and s are complex and the vectors x and y are complex
SUBROUTINE ZLACRT( |
N, CX, INCX, CY, INCY, C, S ) |
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INTEGER |
INCX, INCY, N |
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COMPLEX*16 |
C, S |
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COMPLEX*16 |
CX( * ), CY( * ) |
ZLACRT performs the operation ( c s )( x ) ==> ( x ) ( -s c )( y ) ( y ) where c and s are complex and the vectors x and y are complex.
N (input) INTEGER
The number of elements in the vectors CX and CY.
CX (input/output) COMPLEX*16 array, dimension (N)
On input, the vector x. On output, CX is overwritten with c*x + s*y.
INCX (input) INTEGER
The increment between successive values of CX. INCX <> 0.
CY (input/output) COMPLEX*16 array, dimension (N)
On input, the vector y. On output, CY is overwritten with -s*x + c*y.
INCY (input) INTEGER
The increment between successive values of CY. INCY <> 0.
C (input) COMPLEX*16
S (input) COMPLEX*16 C and S define the matrix [ C S ]. [ -S C ]
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zlacrt(l) | ![]() |