subroutine caxpy (N, CA, CX, INCX, CY, INCY)
CAXPY
subroutine ccopy (N, CX, INCX, CY, INCY)
CCOPY
complex function cdotc (N, CX, INCX, CY, INCY)
CDOTC
complex function cdotu (N, CX, INCX, CY, INCY)
CDOTU
subroutine cscal (N, CA, CX, INCX)
CSCAL
subroutine csrot (N, CX, INCX, CY, INCY, C, S)
CSROT
subroutine csscal (N, SA, CX, INCX)
CSSCAL
subroutine cswap (N, CX, INCX, CY, INCY)
CSWAP
This is the group of complex LEVEL 1 BLAS routines.
CAXPY
Purpose:
CAXPY constant times a vector plus a vector.
Parameters
N is INTEGER number of elements in input vector(s)
CA
CA is COMPLEX On entry, CA specifies the scalar alpha.
CX
CX is COMPLEX array, dimension ( 1 + ( N - 1 )*abs( INCX ) )
INCX
INCX is INTEGER storage spacing between elements of CX
CY
CY is COMPLEX array, dimension ( 1 + ( N - 1 )*abs( INCY ) )
INCY
INCY is INTEGER storage spacing between elements of CY
Author
Univ. of California Berkeley
Univ. of Colorado Denver
NAG Ltd.
Further Details:
jack dongarra, linpack, 3/11/78. modified 12/3/93, array(1) declarations changed to array(*)
CCOPY
Purpose:
CCOPY copies a vector x to a vector y.
Parameters
N is INTEGER number of elements in input vector(s)
CX
CX is COMPLEX array, dimension ( 1 + ( N - 1 )*abs( INCX ) )
INCX
INCX is INTEGER storage spacing between elements of CX
CY
CY is COMPLEX array, dimension ( 1 + ( N - 1 )*abs( INCY ) )
INCY
INCY is INTEGER storage spacing between elements of CY
Author
Univ. of California Berkeley
Univ. of Colorado Denver
NAG Ltd.
Further Details:
jack dongarra, linpack, 3/11/78. modified 12/3/93, array(1) declarations changed to array(*)
CDOTC
Purpose:
CDOTC forms the dot product of two complex vectors CDOTC = X^H * Y
Parameters
N is INTEGER number of elements in input vector(s)
CX
CX is COMPLEX array, dimension ( 1 + ( N - 1 )*abs( INCX ) )
INCX
INCX is INTEGER storage spacing between elements of CX
CY
CY is COMPLEX array, dimension ( 1 + ( N - 1 )*abs( INCY ) )
INCY
INCY is INTEGER storage spacing between elements of CY
Author
Univ. of California Berkeley
Univ. of Colorado Denver
NAG Ltd.
Further Details:
jack dongarra, linpack, 3/11/78. modified 12/3/93, array(1) declarations changed to array(*)
CDOTU
Purpose:
CDOTU forms the dot product of two complex vectors CDOTU = X^T * Y
Parameters
N is INTEGER number of elements in input vector(s)
CX
CX is COMPLEX array, dimension ( 1 + ( N - 1 )*abs( INCX ) )
INCX
INCX is INTEGER storage spacing between elements of CX
CY
CY is COMPLEX array, dimension ( 1 + ( N - 1 )*abs( INCY ) )
INCY
INCY is INTEGER storage spacing between elements of CY
Author
Univ. of California Berkeley
Univ. of Colorado Denver
NAG Ltd.
Further Details:
jack dongarra, linpack, 3/11/78. modified 12/3/93, array(1) declarations changed to array(*)
CSCAL
Purpose:
CSCAL scales a vector by a constant.
Parameters
N is INTEGER number of elements in input vector(s)
CA
CA is COMPLEX On entry, CA specifies the scalar alpha.
CX
CX is COMPLEX array, dimension ( 1 + ( N - 1 )*abs( INCX ) )
INCX
INCX is INTEGER storage spacing between elements of CX
Author
Univ. of California Berkeley
Univ. of Colorado Denver
NAG Ltd.
Further Details:
jack dongarra, linpack, 3/11/78. modified 3/93 to return if incx .le. 0. modified 12/3/93, array(1) declarations changed to array(*)
CSROT
Purpose:
CSROT 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 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 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 REAL On entry, C specifies the cosine, cos.
S
S is REAL On entry, S specifies the sine, sin.
Author
Univ. of California Berkeley
Univ. of Colorado Denver
NAG Ltd.
CSSCAL
Purpose:
CSSCAL scales a complex vector by a real constant.
Parameters
N is INTEGER number of elements in input vector(s)
SA
SA is REAL On entry, SA specifies the scalar alpha.
CX
CX is COMPLEX array, dimension ( 1 + ( N - 1 )*abs( INCX ) )
INCX
INCX is INTEGER storage spacing between elements of CX
Author
Univ. of California Berkeley
Univ. of Colorado Denver
NAG Ltd.
Further Details:
jack dongarra, linpack, 3/11/78. modified 3/93 to return if incx .le. 0. modified 12/3/93, array(1) declarations changed to array(*)
CSWAP
Purpose:
CSWAP interchanges two vectors.
Parameters
N is INTEGER number of elements in input vector(s)
CX
CX is COMPLEX array, dimension ( 1 + ( N - 1 )*abs( INCX ) )
INCX
INCX is INTEGER storage spacing between elements of CX
CY
CY is COMPLEX array, dimension ( 1 + ( N - 1 )*abs( INCY ) )
INCY
INCY is INTEGER storage spacing between elements of CY
Author
Univ. of California Berkeley
Univ. of Colorado Denver
NAG Ltd.
Further Details:
jack dongarra, linpack, 3/11/78. modified 12/3/93, array(1) declarations changed to array(*)
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