.TH "complex" 3 "Wed Mar 8 2017" "Version 3.7.0" "LAPACK" \" -*- nroff -*-
.ad l
.nh
.SH NAME
complex \- 
.SS "Functions"

.in +1c
.ti -1c
.RI "subroutine \fBcaxpy\fP (\fBN\fP, CA, CX, INCX, CY, INCY)"
.br
.RI "\fI\fBCAXPY\fP \fP"
.ti -1c
.RI "subroutine \fBccopy\fP (\fBN\fP, CX, INCX, CY, INCY)"
.br
.RI "\fI\fBCCOPY\fP \fP"
.ti -1c
.RI "complex function \fBcdotc\fP (\fBN\fP, CX, INCX, CY, INCY)"
.br
.RI "\fI\fBCDOTC\fP \fP"
.ti -1c
.RI "complex function \fBcdotu\fP (\fBN\fP, CX, INCX, CY, INCY)"
.br
.RI "\fI\fBCDOTU\fP \fP"
.ti -1c
.RI "subroutine \fBcrotg\fP (CA, CB, C, S)"
.br
.RI "\fI\fBCROTG\fP \fP"
.ti -1c
.RI "subroutine \fBcscal\fP (\fBN\fP, CA, CX, INCX)"
.br
.RI "\fI\fBCSCAL\fP \fP"
.ti -1c
.RI "subroutine \fBcsrot\fP (\fBN\fP, CX, INCX, CY, INCY, C, S)"
.br
.RI "\fI\fBCSROT\fP \fP"
.ti -1c
.RI "subroutine \fBcsscal\fP (\fBN\fP, SA, CX, INCX)"
.br
.RI "\fI\fBCSSCAL\fP \fP"
.ti -1c
.RI "subroutine \fBcswap\fP (\fBN\fP, CX, INCX, CY, INCY)"
.br
.RI "\fI\fBCSWAP\fP \fP"
.in -1c
.SH "Detailed Description"
.PP 
This is the group of complex LEVEL 1 BLAS routines\&. 
.SH "Function Documentation"
.PP 
.SS "subroutine caxpy (integerN, complexCA, complex, dimension(*)CX, integerINCX, complex, dimension(*)CY, integerINCY)"

.PP
\fBCAXPY\fP 
.PP
\fBPurpose: \fP
.RS 4

.PP
.nf
    CAXPY constant times a vector plus a vector.
.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
\fBDate:\fP
.RS 4
December 2016 
.RE
.PP
\fBFurther Details: \fP
.RS 4

.PP
.nf
     jack dongarra, linpack, 3/11/78.
     modified 12/3/93, array(1) declarations changed to array(*)
.fi
.PP
 
.RE
.PP

.SS "subroutine ccopy (integerN, complex, dimension(*)CX, integerINCX, complex, dimension(*)CY, integerINCY)"

.PP
\fBCCOPY\fP 
.PP
\fBPurpose: \fP
.RS 4

.PP
.nf
    CCOPY copies a vector x to a vector y.
.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
\fBDate:\fP
.RS 4
December 2016 
.RE
.PP
\fBFurther Details: \fP
.RS 4

.PP
.nf
     jack dongarra, linpack, 3/11/78.
     modified 12/3/93, array(1) declarations changed to array(*)
.fi
.PP
 
.RE
.PP

.SS "complex function cdotc (integerN, complex, dimension(*)CX, integerINCX, complex, dimension(*)CY, integerINCY)"

.PP
\fBCDOTC\fP 
.PP
\fBPurpose: \fP
.RS 4

.PP
.nf
 CDOTC forms the dot product of two complex vectors
      CDOTC = X^H * Y
.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
\fBDate:\fP
.RS 4
December 2016 
.RE
.PP
\fBFurther Details: \fP
.RS 4

.PP
.nf
     jack dongarra, linpack,  3/11/78.
     modified 12/3/93, array(1) declarations changed to array(*)
.fi
.PP
 
.RE
.PP

.SS "complex function cdotu (integerN, complex, dimension(*)CX, integerINCX, complex, dimension(*)CY, integerINCY)"

.PP
\fBCDOTU\fP 
.PP
\fBPurpose: \fP
.RS 4

.PP
.nf
 CDOTU forms the dot product of two complex vectors
      CDOTU = X^T * Y
.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
\fBDate:\fP
.RS 4
December 2016 
.RE
.PP
\fBFurther Details: \fP
.RS 4

.PP
.nf
     jack dongarra, linpack, 3/11/78.
     modified 12/3/93, array(1) declarations changed to array(*)
.fi
.PP
 
.RE
.PP

.SS "subroutine crotg (complexCA, complexCB, realC, complexS)"

.PP
\fBCROTG\fP 
.PP
\fBPurpose: \fP
.RS 4

.PP
.nf
 CROTG determines a complex Givens rotation.
.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
\fBDate:\fP
.RS 4
December 2016 
.RE
.PP

.SS "subroutine cscal (integerN, complexCA, complex, dimension(*)CX, integerINCX)"

.PP
\fBCSCAL\fP 
.PP
\fBPurpose: \fP
.RS 4

.PP
.nf
    CSCAL scales a vector by a constant.
.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
\fBDate:\fP
.RS 4
December 2016 
.RE
.PP
\fBFurther Details: \fP
.RS 4

.PP
.nf
     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(*)
.fi
.PP
 
.RE
.PP

.SS "subroutine csrot (integerN, complex, dimension( * )CX, integerINCX, complex, dimension( * )CY, integerINCY, realC, realS)"

.PP
\fBCSROT\fP 
.PP
\fBPurpose: \fP
.RS 4

.PP
.nf
 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.
.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
\fICX\fP 
.PP
.nf
          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.
.fi
.PP
.br
\fIINCX\fP 
.PP
.nf
          INCX is INTEGER
           On entry, INCX specifies the increment for the elements of
           CX. INCX must not be zero.
.fi
.PP
.br
\fICY\fP 
.PP
.nf
          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.
.fi
.PP
.br
\fIINCY\fP 
.PP
.nf
          INCY is INTEGER
           On entry, INCY specifies the increment for the elements of
           CY. INCY must not be zero.
.fi
.PP
.br
\fIC\fP 
.PP
.nf
          C is REAL
           On entry, C specifies the cosine, cos.
.fi
.PP
.br
\fIS\fP 
.PP
.nf
          S is REAL
           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
\fBDate:\fP
.RS 4
December 2016 
.RE
.PP

.SS "subroutine csscal (integerN, realSA, complex, dimension(*)CX, integerINCX)"

.PP
\fBCSSCAL\fP 
.PP
\fBPurpose: \fP
.RS 4

.PP
.nf
    CSSCAL scales a complex vector by a real constant.
.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
\fBDate:\fP
.RS 4
December 2016 
.RE
.PP
\fBFurther Details: \fP
.RS 4

.PP
.nf
     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(*)
.fi
.PP
 
.RE
.PP

.SS "subroutine cswap (integerN, complex, dimension(*)CX, integerINCX, complex, dimension(*)CY, integerINCY)"

.PP
\fBCSWAP\fP 
.PP
\fBPurpose: \fP
.RS 4

.PP
.nf
   CSWAP interchanges two vectors.
.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
\fBDate:\fP
.RS 4
December 2016 
.RE
.PP
\fBFurther Details: \fP
.RS 4

.PP
.nf
     jack dongarra, linpack, 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\&.