| complex16_blas_level1(3) | LAPACK | complex16_blas_level1(3) |
complex16_blas_level1 - complex16
subroutine zaxpy (N, ZA, ZX, INCX, ZY, INCY)
ZAXPY subroutine zcopy (N, ZX, INCX, ZY, INCY)
ZCOPY complex *16 function zdotc (N, ZX, INCX, ZY, INCY)
ZDOTC complex *16 function zdotu (N, ZX, INCX, ZY, INCY)
ZDOTU subroutine zdrot (N, CX, INCX, CY, INCY, C, S)
ZDROT subroutine zdscal (N, DA, ZX, INCX)
ZDSCAL subroutine zrotg (CA, CB, C, S)
ZROTG subroutine zscal (N, ZA, ZX, INCX)
ZSCAL subroutine zswap (N, ZX, INCX, ZY, INCY)
ZSWAP
This is the group of complex16 LEVEL 1 BLAS routines.
ZAXPY
Purpose:
ZAXPY constant times a vector plus a vector.
Parameters
N is INTEGER
number of elements in input vector(s)
ZA
ZA is COMPLEX*16
On entry, ZA specifies the scalar alpha.
ZX
ZX is COMPLEX*16 array, dimension ( 1 + ( N - 1 )*abs( INCX ) )
INCX
INCX is INTEGER
storage spacing between elements of ZX
ZY
ZY is COMPLEX*16 array, dimension ( 1 + ( N - 1 )*abs( INCY ) )
INCY
INCY is INTEGER
storage spacing between elements of ZY
Author
Univ. of California Berkeley
Univ. of Colorado Denver
NAG Ltd.
Date
Further Details:
jack dongarra, 3/11/78.
modified 12/3/93, array(1) declarations changed to array(*)
ZCOPY
Purpose:
ZCOPY copies a vector, x, to a vector, y.
Parameters
N is INTEGER
number of elements in input vector(s)
ZX
ZX is COMPLEX*16 array, dimension ( 1 + ( N - 1 )*abs( INCX ) )
INCX
INCX is INTEGER
storage spacing between elements of ZX
ZY
ZY is COMPLEX*16 array, dimension ( 1 + ( N - 1 )*abs( INCY ) )
INCY
INCY is INTEGER
storage spacing between elements of ZY
Author
Univ. of California Berkeley
Univ. of Colorado Denver
NAG Ltd.
Date
Further Details:
jack dongarra, linpack, 4/11/78.
modified 12/3/93, array(1) declarations changed to array(*)
ZDOTC
Purpose:
ZDOTC forms the dot product of two complex vectors
ZDOTC = X^H * Y
Parameters
N is INTEGER
number of elements in input vector(s)
ZX
ZX is REAL array, dimension ( 1 + ( N - 1 )*abs( INCX ) )
INCX
INCX is INTEGER
storage spacing between elements of ZX
ZY
ZY is REAL array, dimension ( 1 + ( N - 1 )*abs( INCY ) )
INCY
INCY is INTEGER
storage spacing between elements of ZY
Author
Univ. of California Berkeley
Univ. of Colorado Denver
NAG Ltd.
Date
Further Details:
jack dongarra, 3/11/78.
modified 12/3/93, array(1) declarations changed to array(*)
ZDOTU
Purpose:
ZDOTU forms the dot product of two complex vectors
ZDOTU = X^T * Y
Parameters
N is INTEGER
number of elements in input vector(s)
ZX
ZX is REAL array, dimension ( 1 + ( N - 1 )*abs( INCX ) )
INCX
INCX is INTEGER
storage spacing between elements of ZX
ZY
ZY is REAL array, dimension ( 1 + ( N - 1 )*abs( INCY ) )
INCY
INCY is INTEGER
storage spacing between elements of ZY
Author
Univ. of California Berkeley
Univ. of Colorado Denver
NAG Ltd.
Date
Further Details:
jack dongarra, 3/11/78.
modified 12/3/93, array(1) declarations changed to array(*)
ZDROT
Purpose:
Applies a plane rotation, where the cos and sin (c and s) are real
and the vectors cx and cy are complex.
jack dongarra, linpack, 3/11/78.
Parameters
N is INTEGER
On entry, N specifies the order of the vectors cx and cy.
N must be at least zero.
CX
CX is COMPLEX*16 array, dimension at least
( 1 + ( N - 1 )*abs( INCX ) ).
Before entry, the incremented array CX must contain the n
element vector cx. On exit, CX is overwritten by the updated
vector cx.
INCX
INCX is INTEGER
On entry, INCX specifies the increment for the elements of
CX. INCX must not be zero.
CY
CY is COMPLEX*16 array, dimension at least
( 1 + ( N - 1 )*abs( INCY ) ).
Before entry, the incremented array CY must contain the n
element vector cy. On exit, CY is overwritten by the updated
vector cy.
INCY
INCY is INTEGER
On entry, INCY specifies the increment for the elements of
CY. INCY must not be zero.
C
C is DOUBLE PRECISION
On entry, C specifies the cosine, cos.
S
S is DOUBLE PRECISION
On entry, S specifies the sine, sin.
Author
Univ. of California Berkeley
Univ. of Colorado Denver
NAG Ltd.
Date
ZDSCAL
Purpose:
ZDSCAL scales a vector by a constant.
Parameters
N is INTEGER
number of elements in input vector(s)
DA
DA is DOUBLE PRECISION
On entry, DA specifies the scalar alpha.
ZX
ZX is COMPLEX*16 array, dimension ( 1 + ( N - 1 )*abs( INCX ) )
INCX
INCX is INTEGER
storage spacing between elements of ZX
Author
Univ. of California Berkeley
Univ. of Colorado Denver
NAG Ltd.
Date
Further Details:
jack dongarra, 3/11/78.
modified 3/93 to return if incx .le. 0.
modified 12/3/93, array(1) declarations changed to array(*)
ZROTG
Purpose:
ZROTG determines a double complex Givens rotation.
Parameters
CA is COMPLEX*16
CB
CB is COMPLEX*16
C
C is DOUBLE PRECISION
S
S is COMPLEX*16
Author
Univ. of California Berkeley
Univ. of Colorado Denver
NAG Ltd.
Date
ZSCAL
Purpose:
ZSCAL scales a vector by a constant.
Parameters
N is INTEGER
number of elements in input vector(s)
ZA
ZA is COMPLEX*16
On entry, ZA specifies the scalar alpha.
ZX
ZX is COMPLEX*16 array, dimension ( 1 + ( N - 1 )*abs( INCX ) )
INCX
INCX is INTEGER
storage spacing between elements of ZX
Author
Univ. of California Berkeley
Univ. of Colorado Denver
NAG Ltd.
Date
Further Details:
jack dongarra, 3/11/78.
modified 3/93 to return if incx .le. 0.
modified 12/3/93, array(1) declarations changed to array(*)
ZSWAP
Purpose:
ZSWAP interchanges two vectors.
Parameters
N is INTEGER
number of elements in input vector(s)
ZX
ZX is COMPLEX*16 array, dimension ( 1 + ( N - 1 )*abs( INCX ) )
INCX
INCX is INTEGER
storage spacing between elements of ZX
ZY
ZY is COMPLEX*16 array, dimension ( 1 + ( N - 1 )*abs( INCY ) )
INCY
INCY is INTEGER
storage spacing between elements of ZY
Author
Univ. of California Berkeley
Univ. of Colorado Denver
NAG Ltd.
Date
Further Details:
jack dongarra, 3/11/78.
modified 12/3/93, array(1) declarations changed to array(*)
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