NAME

       larcm - larcm: real * complex matrix-matrix multiply

SYNOPSIS

   Functions
       subroutine clarcm (m, n, a, lda, b, ldb, c, ldc, rwork)
           CLARCM copies all or part of a real two-dimensional array to a complex array.
       subroutine zlarcm (m, n, a, lda, b, ldb, c, ldc, rwork)
           ZLARCM copies all or part of a real two-dimensional array to a complex array.

Detailed Description

Function Documentation

   subroutine clarcm (integer m, integer n, real, dimension( lda, * ) a, integer lda, complex, dimension( ldb, *
       ) b, integer ldb, complex, dimension( ldc, * ) c, integer ldc, real, dimension( * ) rwork)
       CLARCM copies all or part of a real two-dimensional array to a complex array.

       Purpose:

            CLARCM performs a very simple matrix-matrix multiplication:
                     C := A * B,
            where A is M by M and real; B is M by N and complex;
            C is M by N and complex.

       Parameters
           M

                     M is INTEGER
                     The number of rows of the matrix A and of the matrix C.
                     M >= 0.

           N

                     N is INTEGER
                     The number of columns and rows of the matrix B and
                     the number of columns of the matrix C.
                     N >= 0.

           A

                     A is REAL array, dimension (LDA, M)
                     On entry, A contains the M by M matrix A.

           LDA

                     LDA is INTEGER
                     The leading dimension of the array A. LDA >=max(1,M).

           B

                     B is COMPLEX array, dimension (LDB, N)
                     On entry, B contains the M by N matrix B.

           LDB

                     LDB is INTEGER
                     The leading dimension of the array B. LDB >=max(1,M).

           C

                     C is COMPLEX array, dimension (LDC, N)
                     On exit, C contains the M by N matrix C.

           LDC

                     LDC is INTEGER
                     The leading dimension of the array C. LDC >=max(1,M).

           RWORK

                     RWORK is REAL array, dimension (2*M*N)

       Author
           Univ. of Tennessee

           Univ. of California Berkeley

           Univ. of Colorado Denver

           NAG Ltd.

   subroutine zlarcm (integer m, integer n, double precision, dimension( lda, * ) a, integer lda, complex*16,
       dimension( ldb, * ) b, integer ldb, complex*16, dimension( ldc, * ) c, integer ldc, double precision,
       dimension( * ) rwork)
       ZLARCM copies all or part of a real two-dimensional array to a complex array.

       Purpose:

            ZLARCM performs a very simple matrix-matrix multiplication:
                     C := A * B,
            where A is M by M and real; B is M by N and complex;
            C is M by N and complex.

       Parameters
           M

                     M is INTEGER
                     The number of rows of the matrix A and of the matrix C.
                     M >= 0.

           N

                     N is INTEGER
                     The number of columns and rows of the matrix B and
                     the number of columns of the matrix C.
                     N >= 0.

           A

                     A is DOUBLE PRECISION array, dimension (LDA, M)
                     On entry, A contains the M by M matrix A.

           LDA

                     LDA is INTEGER
                     The leading dimension of the array A. LDA >=max(1,M).

           B

                     B is COMPLEX*16 array, dimension (LDB, N)
                     On entry, B contains the M by N matrix B.

           LDB

                     LDB is INTEGER
                     The leading dimension of the array B. LDB >=max(1,M).

           C

                     C is COMPLEX*16 array, dimension (LDC, N)
                     On exit, C contains the M by N matrix C.

           LDC

                     LDC is INTEGER
                     The leading dimension of the array C. LDC >=max(1,M).

           RWORK

                     RWORK is DOUBLE PRECISION array, dimension (2*M*N)

       Author
           Univ. of Tennessee

           Univ. of California Berkeley

           Univ. of Colorado Denver

           NAG Ltd.

Author

       Generated automatically by Doxygen for LAPACK from the source code.

Version 3.12.0                              Thu Aug 28 2025 19:20:45                                    larcm(3)