Module DGEMM in IMSLM

General Information

Perform one of the following matrix-matrix multiplications: C = alpha*A*B + beta C = alpha*trans(A)*B + beta*C C = alpha*A*trans(B) + beta*C C = alpha*trans(A)*trans(B) + beta*C trans represents the transpose of the matrix.

Usage

CALL DGEMM (TRANSA, TRANSB, M, N, K, ALPHA, A, LDA, B, LDB, BETA, C, LDC)

Classification

D1b6	Matrix multiplication

Type

subroutine in IMSLM package

Language

Fortran

Availability

Proprietary, Portable

Precision

Double Precision

Alternates

SGEMM

Single Precision

Installation on ITL; Unix Workstation Network

Location

National Institute of Standards and Technology (NIST), Gaithersburg, MD.

Contact

Gaithersburg Consulting Office: 301-975-2968 (FTS 879-2968)

Usage

Access available only to NIST staff on internal Unix systems. They may access this package provided the /itl tree is cross-mounted.

Documentation

cat /home/fetch/Subjects/Math-Stat-Software/imsl/Documentation/dgemm

Example

cat /home/fetch/Subjects/Math-Stat-Software/imsl/Examples/dgemm

To Link

Login to spruce.nist.gov and see ITL How-To for information on how to setup your environment and link.