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, ZX, INCX, ZY, INCY, C, S)
ZDROT
subroutine zdscal (N, DA, ZX, INCX)
ZDSCAL
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.
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.
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 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.
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 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.
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.
ZX
ZX is COMPLEX*16 array, dimension at least ( 1 + ( N - 1 )*abs( INCX ) ). Before entry, the incremented array ZX must contain the n element vector cx. On exit, ZX is overwritten by the updated vector cx.
INCX
INCX is INTEGER On entry, INCX specifies the increment for the elements of ZX. INCX must not be zero.
ZY
ZY is COMPLEX*16 array, dimension at least ( 1 + ( N - 1 )*abs( INCY ) ). Before entry, the incremented array ZY must contain the n element vector cy. On exit, ZY is overwritten by the updated vector cy.
INCY
INCY is INTEGER On entry, INCY specifies the increment for the elements of ZY. 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.
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.
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(*)
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.
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.
Further Details:
jack dongarra, 3/11/78. modified 12/3/93, array(1) declarations changed to array(*)
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