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lacrm - lacrm: complex * real matrix-matrix multiply

Author

Generated automatically by Doxygen for LAPACK from the source code. Version 3.12.0 Thu Aug 7 2025 17:26:25 lacrm(3)

Detailed Description

Function Documentation

subroutineclacrm(integerm,integern,complex,dimension(lda,*)a,integerlda,real,dimension(ldb,*)b,integerldb,complex,dimension(ldc,*)c,integerldc,real,dimension(*)rwork)CLACRM multiplies a complex matrix by a square real matrix. Purpose: CLACRM performs a very simple matrix-matrix multiplication: C := A * B, where A is M by N and complex; B is N by N and real; C is M by N and complex. ParametersM 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 COMPLEX array, dimension (LDA, N) On entry, A contains the M by N matrix A. LDA LDA is INTEGER The leading dimension of the array A. LDA >=max(1,M). B B is REAL array, dimension (LDB, N) On entry, B contains the N by N matrix B. LDB LDB is INTEGER The leading dimension of the array B. LDB >=max(1,N). 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,N). RWORK RWORK is REAL array, dimension (2*M*N) Author Univ. of Tennessee Univ. of California Berkeley Univ. of Colorado Denver NAG Ltd. subroutinezlacrm(integerm,integern,complex*16,dimension(lda,*)a,integerlda,doubleprecision,dimension(ldb,*)b,integerldb,complex*16,dimension(ldc,*)c,integerldc,doubleprecision,dimension(*)rwork)ZLACRM multiplies a complex matrix by a square real matrix. Purpose: ZLACRM performs a very simple matrix-matrix multiplication: C := A * B, where A is M by N and complex; B is N by N and real; C is M by N and complex. ParametersM 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 COMPLEX*16 array, dimension (LDA, N) On entry, A contains the M by N matrix A. LDA LDA is INTEGER The leading dimension of the array A. LDA >=max(1,M). B B is DOUBLE PRECISION array, dimension (LDB, N) On entry, B contains the N by N matrix B. LDB LDB is INTEGER The leading dimension of the array B. LDB >=max(1,N). 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,N). RWORK RWORK is DOUBLE PRECISION array, dimension (2*M*N) Author Univ. of Tennessee Univ. of California Berkeley Univ. of Colorado Denver NAG Ltd.

Name

lacrm - lacrm: complex * real matrix-matrix multiply

Synopsis

Functions subroutine clacrm (m, n, a, lda, b, ldb, c, ldc, rwork) CLACRM multiplies a complex matrix by a square real matrix. subroutine zlacrm (m, n, a, lda, b, ldb, c, ldc, rwork) ZLACRM multiplies a complex matrix by a square real matrix.

See Also