.TH "complex16_blas_level1" 3 "Sun Nov 27 2022" "Version 3.11.0" "LAPACK" \" -*- nroff -*- .ad l .nh .SH NAME complex16_blas_level1 \- complex16 .SH SYNOPSIS .br .PP .SS "Functions" .in +1c .ti -1c .RI "subroutine \fBzaxpy\fP (N, ZA, ZX, INCX, ZY, INCY)" .br .RI "\fBZAXPY\fP " .ti -1c .RI "subroutine \fBzcopy\fP (N, ZX, INCX, ZY, INCY)" .br .RI "\fBZCOPY\fP " .ti -1c .RI "complex *16 function \fBzdotc\fP (N, ZX, INCX, ZY, INCY)" .br .RI "\fBZDOTC\fP " .ti -1c .RI "complex *16 function \fBzdotu\fP (N, ZX, INCX, ZY, INCY)" .br .RI "\fBZDOTU\fP " .ti -1c .RI "subroutine \fBzdrot\fP (N, ZX, INCX, ZY, INCY, C, S)" .br .RI "\fBZDROT\fP " .ti -1c .RI "subroutine \fBzdscal\fP (N, DA, ZX, INCX)" .br .RI "\fBZDSCAL\fP " .ti -1c .RI "subroutine \fBzscal\fP (N, ZA, ZX, INCX)" .br .RI "\fBZSCAL\fP " .ti -1c .RI "subroutine \fBzswap\fP (N, ZX, INCX, ZY, INCY)" .br .RI "\fBZSWAP\fP " .in -1c .SH "Detailed Description" .PP This is the group of complex16 LEVEL 1 BLAS routines\&. .SH "Function Documentation" .PP .SS "subroutine zaxpy (integer N, complex*16 ZA, complex*16, dimension(*) ZX, integer INCX, complex*16, dimension(*) ZY, integer INCY)" .PP \fBZAXPY\fP .PP \fBPurpose:\fP .RS 4 .PP .nf ZAXPY constant times a vector plus a vector\&. .fi .PP .RE .PP \fBParameters\fP .RS 4 \fIN\fP .PP .nf N is INTEGER number of elements in input vector(s) .fi .PP .br \fIZA\fP .PP .nf ZA is COMPLEX*16 On entry, ZA specifies the scalar alpha\&. .fi .PP .br \fIZX\fP .PP .nf ZX is COMPLEX*16 array, dimension ( 1 + ( N - 1 )*abs( INCX ) ) .fi .PP .br \fIINCX\fP .PP .nf INCX is INTEGER storage spacing between elements of ZX .fi .PP .br \fIZY\fP .PP .nf ZY is COMPLEX*16 array, dimension ( 1 + ( N - 1 )*abs( INCY ) ) .fi .PP .br \fIINCY\fP .PP .nf INCY is INTEGER storage spacing between elements of ZY .fi .PP .RE .PP \fBAuthor\fP .RS 4 Univ\&. of Tennessee .PP Univ\&. of California Berkeley .PP Univ\&. of Colorado Denver .PP NAG Ltd\&. .RE .PP \fBFurther Details:\fP .RS 4 .PP .nf jack dongarra, 3/11/78\&. modified 12/3/93, array(1) declarations changed to array(*) .fi .PP .RE .PP .SS "subroutine zcopy (integer N, complex*16, dimension(*) ZX, integer INCX, complex*16, dimension(*) ZY, integer INCY)" .PP \fBZCOPY\fP .PP \fBPurpose:\fP .RS 4 .PP .nf ZCOPY copies a vector, x, to a vector, y\&. .fi .PP .RE .PP \fBParameters\fP .RS 4 \fIN\fP .PP .nf N is INTEGER number of elements in input vector(s) .fi .PP .br \fIZX\fP .PP .nf ZX is COMPLEX*16 array, dimension ( 1 + ( N - 1 )*abs( INCX ) ) .fi .PP .br \fIINCX\fP .PP .nf INCX is INTEGER storage spacing between elements of ZX .fi .PP .br \fIZY\fP .PP .nf ZY is COMPLEX*16 array, dimension ( 1 + ( N - 1 )*abs( INCY ) ) .fi .PP .br \fIINCY\fP .PP .nf INCY is INTEGER storage spacing between elements of ZY .fi .PP .RE .PP \fBAuthor\fP .RS 4 Univ\&. of Tennessee .PP Univ\&. of California Berkeley .PP Univ\&. of Colorado Denver .PP NAG Ltd\&. .RE .PP \fBFurther Details:\fP .RS 4 .PP .nf jack dongarra, linpack, 4/11/78\&. modified 12/3/93, array(1) declarations changed to array(*) .fi .PP .RE .PP .SS "complex*16 function zdotc (integer N, complex*16, dimension(*) ZX, integer INCX, complex*16, dimension(*) ZY, integer INCY)" .PP \fBZDOTC\fP .PP \fBPurpose:\fP .RS 4 .PP .nf ZDOTC forms the dot product of two complex vectors ZDOTC = X^H * Y .fi .PP .RE .PP \fBParameters\fP .RS 4 \fIN\fP .PP .nf N is INTEGER number of elements in input vector(s) .fi .PP .br \fIZX\fP .PP .nf ZX is COMPLEX*16 array, dimension ( 1 + ( N - 1 )*abs( INCX ) ) .fi .PP .br \fIINCX\fP .PP .nf INCX is INTEGER storage spacing between elements of ZX .fi .PP .br \fIZY\fP .PP .nf ZY is COMPLEX*16 array, dimension ( 1 + ( N - 1 )*abs( INCY ) ) .fi .PP .br \fIINCY\fP .PP .nf INCY is INTEGER storage spacing between elements of ZY .fi .PP .RE .PP \fBAuthor\fP .RS 4 Univ\&. of Tennessee .PP Univ\&. of California Berkeley .PP Univ\&. of Colorado Denver .PP NAG Ltd\&. .RE .PP \fBFurther Details:\fP .RS 4 .PP .nf jack dongarra, 3/11/78\&. modified 12/3/93, array(1) declarations changed to array(*) .fi .PP .RE .PP .SS "complex*16 function zdotu (integer N, complex*16, dimension(*) ZX, integer INCX, complex*16, dimension(*) ZY, integer INCY)" .PP \fBZDOTU\fP .PP \fBPurpose:\fP .RS 4 .PP .nf ZDOTU forms the dot product of two complex vectors ZDOTU = X^T * Y .fi .PP .RE .PP \fBParameters\fP .RS 4 \fIN\fP .PP .nf N is INTEGER number of elements in input vector(s) .fi .PP .br \fIZX\fP .PP .nf ZX is COMPLEX*16 array, dimension ( 1 + ( N - 1 )*abs( INCX ) ) .fi .PP .br \fIINCX\fP .PP .nf INCX is INTEGER storage spacing between elements of ZX .fi .PP .br \fIZY\fP .PP .nf ZY is COMPLEX*16 array, dimension ( 1 + ( N - 1 )*abs( INCY ) ) .fi .PP .br \fIINCY\fP .PP .nf INCY is INTEGER storage spacing between elements of ZY .fi .PP .RE .PP \fBAuthor\fP .RS 4 Univ\&. of Tennessee .PP Univ\&. of California Berkeley .PP Univ\&. of Colorado Denver .PP NAG Ltd\&. .RE .PP \fBFurther Details:\fP .RS 4 .PP .nf jack dongarra, 3/11/78\&. modified 12/3/93, array(1) declarations changed to array(*) .fi .PP .RE .PP .SS "subroutine zdrot (integer N, complex*16, dimension( * ) ZX, integer INCX, complex*16, dimension( * ) ZY, integer INCY, double precision C, double precision S)" .PP \fBZDROT\fP .PP \fBPurpose:\fP .RS 4 .PP .nf 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\&. .fi .PP .RE .PP \fBParameters\fP .RS 4 \fIN\fP .PP .nf N is INTEGER On entry, N specifies the order of the vectors cx and cy\&. N must be at least zero\&. .fi .PP .br \fIZX\fP .PP .nf 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\&. .fi .PP .br \fIINCX\fP .PP .nf INCX is INTEGER On entry, INCX specifies the increment for the elements of ZX\&. INCX must not be zero\&. .fi .PP .br \fIZY\fP .PP .nf 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\&. .fi .PP .br \fIINCY\fP .PP .nf INCY is INTEGER On entry, INCY specifies the increment for the elements of ZY\&. INCY must not be zero\&. .fi .PP .br \fIC\fP .PP .nf C is DOUBLE PRECISION On entry, C specifies the cosine, cos\&. .fi .PP .br \fIS\fP .PP .nf S is DOUBLE PRECISION On entry, S specifies the sine, sin\&. .fi .PP .RE .PP \fBAuthor\fP .RS 4 Univ\&. of Tennessee .PP Univ\&. of California Berkeley .PP Univ\&. of Colorado Denver .PP NAG Ltd\&. .RE .PP .SS "subroutine zdscal (integer N, double precision DA, complex*16, dimension(*) ZX, integer INCX)" .PP \fBZDSCAL\fP .PP \fBPurpose:\fP .RS 4 .PP .nf ZDSCAL scales a vector by a constant\&. .fi .PP .RE .PP \fBParameters\fP .RS 4 \fIN\fP .PP .nf N is INTEGER number of elements in input vector(s) .fi .PP .br \fIDA\fP .PP .nf DA is DOUBLE PRECISION On entry, DA specifies the scalar alpha\&. .fi .PP .br \fIZX\fP .PP .nf ZX is COMPLEX*16 array, dimension ( 1 + ( N - 1 )*abs( INCX ) ) .fi .PP .br \fIINCX\fP .PP .nf INCX is INTEGER storage spacing between elements of ZX .fi .PP .RE .PP \fBAuthor\fP .RS 4 Univ\&. of Tennessee .PP Univ\&. of California Berkeley .PP Univ\&. of Colorado Denver .PP NAG Ltd\&. .RE .PP \fBFurther Details:\fP .RS 4 .PP .nf jack dongarra, 3/11/78\&. modified 3/93 to return if incx \&.le\&. 0\&. modified 12/3/93, array(1) declarations changed to array(*) .fi .PP .RE .PP .SS "subroutine zscal (integer N, complex*16 ZA, complex*16, dimension(*) ZX, integer INCX)" .PP \fBZSCAL\fP .PP \fBPurpose:\fP .RS 4 .PP .nf ZSCAL scales a vector by a constant\&. .fi .PP .RE .PP \fBParameters\fP .RS 4 \fIN\fP .PP .nf N is INTEGER number of elements in input vector(s) .fi .PP .br \fIZA\fP .PP .nf ZA is COMPLEX*16 On entry, ZA specifies the scalar alpha\&. .fi .PP .br \fIZX\fP .PP .nf ZX is COMPLEX*16 array, dimension ( 1 + ( N - 1 )*abs( INCX ) ) .fi .PP .br \fIINCX\fP .PP .nf INCX is INTEGER storage spacing between elements of ZX .fi .PP .RE .PP \fBAuthor\fP .RS 4 Univ\&. of Tennessee .PP Univ\&. of California Berkeley .PP Univ\&. of Colorado Denver .PP NAG Ltd\&. .RE .PP \fBFurther Details:\fP .RS 4 .PP .nf jack dongarra, 3/11/78\&. modified 3/93 to return if incx \&.le\&. 0\&. modified 12/3/93, array(1) declarations changed to array(*) .fi .PP .RE .PP .SS "subroutine zswap (integer N, complex*16, dimension(*) ZX, integer INCX, complex*16, dimension(*) ZY, integer INCY)" .PP \fBZSWAP\fP .PP \fBPurpose:\fP .RS 4 .PP .nf ZSWAP interchanges two vectors\&. .fi .PP .RE .PP \fBParameters\fP .RS 4 \fIN\fP .PP .nf N is INTEGER number of elements in input vector(s) .fi .PP .br \fIZX\fP .PP .nf ZX is COMPLEX*16 array, dimension ( 1 + ( N - 1 )*abs( INCX ) ) .fi .PP .br \fIINCX\fP .PP .nf INCX is INTEGER storage spacing between elements of ZX .fi .PP .br \fIZY\fP .PP .nf ZY is COMPLEX*16 array, dimension ( 1 + ( N - 1 )*abs( INCY ) ) .fi .PP .br \fIINCY\fP .PP .nf INCY is INTEGER storage spacing between elements of ZY .fi .PP .RE .PP \fBAuthor\fP .RS 4 Univ\&. of Tennessee .PP Univ\&. of California Berkeley .PP Univ\&. of Colorado Denver .PP NAG Ltd\&. .RE .PP \fBFurther Details:\fP .RS 4 .PP .nf jack dongarra, 3/11/78\&. modified 12/3/93, array(1) declarations changed to array(*) .fi .PP .RE .PP .SH "Author" .PP Generated automatically by Doxygen for LAPACK from the source code\&.