--- name: "sblat3.f" section: "3" platform: "linux" package: "lapack-doc" version: "3.12.1-2" release: "Arch Linux 2026-11-01" platforms: ["linux"] url: "https://new.carta.tech/sblat3.f" --- # sblat3.f(3) ## NAME BLAS/TESTING/sblat3.f ## SYNOPSIS ### Functions/Subroutines program **sblat3**\ **SBLAT3** subroutine **schk1** (sname, eps, thresh, nout, ntra, trace, rewi, fatal, nidim, idim, nalf, alf, nbet, bet, nmax, a, aa, as, b, bb, bs, c, cc, cs, ct, g)\ subroutine **schk2** (sname, eps, thresh, nout, ntra, trace, rewi, fatal, nidim, idim, nalf, alf, nbet, bet, nmax, a, aa, as, b, bb, bs, c, cc, cs, ct, g)\ subroutine **schk3** (sname, eps, thresh, nout, ntra, trace, rewi, fatal, nidim, idim, nalf, alf, nmax, a, aa, as, b, bb, bs, ct, g, c)\ subroutine **schk4** (sname, eps, thresh, nout, ntra, trace, rewi, fatal, nidim, idim, nalf, alf, nbet, bet, nmax, a, aa, as, b, bb, bs, c, cc, cs, ct, g)\ subroutine **schk5** (sname, eps, thresh, nout, ntra, trace, rewi, fatal, nidim, idim, nalf, alf, nbet, bet, nmax, ab, aa, as, bb, bs, c, cc, cs, ct, g, w)\ subroutine **schke** (isnum, srnamt, nout)\ subroutine **smake** (type, uplo, diag, m, n, a, nmax, aa, lda, reset, transl)\ subroutine **smmch** (transa, transb, m, n, kk, alpha, a, lda, b, ldb, beta, c, ldc, ct, g, cc, ldcc, eps, err, fatal, nout, mv)\ logical function **lse** (ri, rj, lr)\ logical function **lseres** (type, uplo, m, n, aa, as, lda)\ real function **sbeg** (reset)\ real function **sdiff** (x, y)\ subroutine **chkxer** (srnamt, infot, nout, lerr, ok)\ subroutine **xerbla** (srname, info)\ subroutine **schk6** (sname, eps, thresh, nout, ntra, trace, rewi, fatal, nidim, idim, nalf, alf, nbet, bet, nmax, a, aa, as, b, bb, bs, c, cc, cs, ct, g)\ subroutine **smmtch** (uplo, transa, transb, n, kk, alpha, a, lda, b, ldb, beta, c, ldc, ct, g, cc, ldcc, eps, err, fatal, nout, mv)\ ## Function/Subroutine Documentation ### subroutine chkxer (character\*7 srnamt, integer infot, integer nout, logical lerr, logical ok) Definition at line **2871** of file **sblat3.f**. ### logical function lse (real, dimension( \* ) ri, real, dimension( \* ) rj, integer lr) Definition at line **2713** of file **sblat3.f**. ### logical function lseres (character\*2 type, character\*1 uplo, integer m, integer n, real, dimension( lda, \* ) aa, real, dimension( lda, \* ) as, integer lda) Definition at line **2745** of file **sblat3.f**. ### real function sbeg (logical reset) Definition at line **2806** of file **sblat3.f**. ### program sblat3 **SBLAT3** **Purpose:** ``` !> !> Test program for the REAL Level 3 Blas. !> !> The program must be driven by a short data file. The first 14 records !> of the file are read using list-directed input, the last 7 records !> are read using the format ( A7, L2 ). An annotated example of a data !> file can be obtained by deleting the first 3 characters from the !> following 20 lines: !> 'sblat3.out' NAME OF SUMMARY OUTPUT FILE !> 6 UNIT NUMBER OF SUMMARY FILE !> 'SBLAT3.SNAP' NAME OF SNAPSHOT OUTPUT FILE !> -1 UNIT NUMBER OF SNAPSHOT FILE (NOT USED IF .LT. 0) !> F LOGICAL FLAG, T TO REWIND SNAPSHOT FILE AFTER EACH RECORD. !> F LOGICAL FLAG, T TO STOP ON FAILURES. !> T LOGICAL FLAG, T TO TEST ERROR EXITS. !> 16.0 THRESHOLD VALUE OF TEST RATIO !> 6 NUMBER OF VALUES OF N !> 0 1 2 3 5 9 VALUES OF N !> 3 NUMBER OF VALUES OF ALPHA !> 0.0 1.0 0.7 VALUES OF ALPHA !> 3 NUMBER OF VALUES OF BETA !> 0.0 1.0 1.3 VALUES OF BETA !> SGEMM T PUT F FOR NO TEST. SAME COLUMNS. !> SSYMM T PUT F FOR NO TEST. SAME COLUMNS. !> STRMM T PUT F FOR NO TEST. SAME COLUMNS. !> STRSM T PUT F FOR NO TEST. SAME COLUMNS. !> SSYRK T PUT F FOR NO TEST. SAME COLUMNS. !> SSYR2K T PUT F FOR NO TEST. SAME COLUMNS. !> SGEMMTR T PUT F FOR NO TEST. SAME COLUMNS. !> !> Further Details !> =============== !> !> See: !> !> Dongarra J. J., Du Croz J. J., Duff I. S. and Hammarling S. !> A Set of Level 3 Basic Linear Algebra Subprograms. !> !> Technical Memorandum No.88 (Revision 1), Mathematics and !> Computer Science Division, Argonne National Laboratory, 9700 !> South Cass Avenue, Argonne, Illinois 60439, US. !> !> -- Written on 8-February-1989. !> Jack Dongarra, Argonne National Laboratory. !> Iain Duff, AERE Harwell. !> Jeremy Du Croz, Numerical Algorithms Group Ltd. !> Sven Hammarling, Numerical Algorithms Group Ltd. !> !> 10-9-00: Change STATUS='NEW' to 'UNKNOWN' so that the testers !> can be run multiple times without deleting generated !> output files (susan) !> ``` **Author** Univ. of Tennessee Univ. of California Berkeley Univ. of Colorado Denver NAG Ltd. Definition at line **82** of file **sblat3.f**. ### subroutine schk1 (character\*7 sname, real eps, real thresh, integer nout, integer ntra, logical trace, logical rewi, logical fatal, integer nidim, integer, dimension( nidim ) idim, integer nalf, real, dimension( nalf ) alf, integer nbet, real, dimension( nbet ) bet, integer nmax, real, dimension( nmax, nmax ) a, real, dimension( nmax\*nmax ) aa, real, dimension( nmax\*nmax ) as, real, dimension( nmax, nmax ) b, real, dimension( nmax\*nmax ) bb, real, dimension( nmax\*nmax ) bs, real, dimension( nmax, nmax ) c, real, dimension( nmax\*nmax ) cc, real, dimension( nmax\*nmax ) cs, real, dimension( nmax ) ct, real, dimension( nmax ) g) Definition at line **399** of file **sblat3.f**. ### subroutine schk2 (character\*7 sname, real eps, real thresh, integer nout, integer ntra, logical trace, logical rewi, logical fatal, integer nidim, integer, dimension( nidim ) idim, integer nalf, real, dimension( nalf ) alf, integer nbet, real, dimension( nbet ) bet, integer nmax, real, dimension( nmax, nmax ) a, real, dimension( nmax\*nmax ) aa, real, dimension( nmax\*nmax ) as, real, dimension( nmax, nmax ) b, real, dimension( nmax\*nmax ) bb, real, dimension( nmax\*nmax ) bs, real, dimension( nmax, nmax ) c, real, dimension( nmax\*nmax ) cc, real, dimension( nmax\*nmax ) cs, real, dimension( nmax ) ct, real, dimension( nmax ) g) Definition at line **680** of file **sblat3.f**. ### subroutine schk3 (character\*7 sname, real eps, real thresh, integer nout, integer ntra, logical trace, logical rewi, logical fatal, integer nidim, integer, dimension( nidim ) idim, integer nalf, real, dimension( nalf ) alf, integer nmax, real, dimension( nmax, nmax ) a, real, dimension( nmax\*nmax ) aa, real, dimension( nmax\*nmax ) as, real, dimension( nmax, nmax ) b, real, dimension( nmax\*nmax ) bb, real, dimension( nmax\*nmax ) bs, real, dimension( nmax ) ct, real, dimension( nmax ) g, real, dimension( nmax, nmax ) c) Definition at line **950** of file **sblat3.f**. ### subroutine schk4 (character\*7 sname, real eps, real thresh, integer nout, integer ntra, logical trace, logical rewi, logical fatal, integer nidim, integer, dimension( nidim ) idim, integer nalf, real, dimension( nalf ) alf, integer nbet, real, dimension( nbet ) bet, integer nmax, real, dimension( nmax, nmax ) a, real, dimension( nmax\*nmax ) aa, real, dimension( nmax\*nmax ) as, real, dimension( nmax, nmax ) b, real, dimension( nmax\*nmax ) bb, real, dimension( nmax\*nmax ) bs, real, dimension( nmax, nmax ) c, real, dimension( nmax\*nmax ) cc, real, dimension( nmax\*nmax ) cs, real, dimension( nmax ) ct, real, dimension( nmax ) g) Definition at line **1255** of file **sblat3.f**. ### subroutine schk5 (character\*7 sname, real eps, real thresh, integer nout, integer ntra, logical trace, logical rewi, logical fatal, integer nidim, integer, dimension( nidim ) idim, integer nalf, real, dimension( nalf ) alf, integer nbet, real, dimension( nbet ) bet, integer nmax, real, dimension( 2\*nmax\*nmax ) ab, real, dimension( nmax\*nmax ) aa, real, dimension( nmax\*nmax ) as, real, dimension( nmax\*nmax ) bb, real, dimension( nmax\*nmax ) bs, real, dimension( nmax, nmax ) c, real, dimension( nmax\*nmax ) cc, real, dimension( nmax\*nmax ) cs, real, dimension( nmax ) ct, real, dimension( nmax ) g, real, dimension( 2\*nmax ) w) Definition at line **1530** of file **sblat3.f**. ### subroutine schk6 (character\*7 sname, real eps, real thresh, integer nout, integer ntra, logical trace, logical rewi, logical fatal, integer nidim, integer, dimension( nidim ) idim, integer nalf, real, dimension( nalf ) alf, integer nbet, real, dimension( nbet ) bet, integer nmax, real, dimension( nmax, nmax ) a, real, dimension( nmax\*nmax ) aa, real, dimension( nmax\*nmax ) as, real, dimension( nmax, nmax ) b, real, dimension( nmax\*nmax ) bb, real, dimension( nmax\*nmax ) bs, real, dimension( nmax, nmax ) c, real, dimension( nmax\*nmax ) cc, real, dimension( nmax\*nmax ) cs, real, dimension( nmax ) ct, real, dimension( nmax ) g) Definition at line **2958** of file **sblat3.f**. ### subroutine schke (integer isnum, character\*7 srnamt, integer nout) Definition at line **1844** of file **sblat3.f**. ### real function sdiff (real x, real y) Definition at line **2852** of file **sblat3.f**. ### subroutine smake (character\*2 type, character\*1 uplo, character\*1 diag, integer m, integer n, real, dimension( nmax, \* ) a, integer nmax, real, dimension( \* ) aa, integer lda, logical reset, real transl) Definition at line **2478** of file **sblat3.f**. ### subroutine smmch (character\*1 transa, character\*1 transb, integer m, integer n, integer kk, real alpha, real, dimension( lda, \* ) a, integer lda, real, dimension( ldb, \* ) b, integer ldb, real beta, real, dimension( ldc, \* ) c, integer ldc, real, dimension( \* ) ct, real, dimension( \* ) g, real, dimension( ldcc, \* ) cc, integer ldcc, real eps, real err, logical fatal, integer nout, logical mv) Definition at line **2591** of file **sblat3.f**. ### subroutine smmtch (character\*1 uplo, character\*1 transa, character\*1 transb, integer n, integer kk, real alpha, real, dimension( lda, \* ) a, integer lda, real, dimension( ldb, \* ) b, integer ldb, real beta, real, dimension( ldc, \* ) c, integer ldc, real, dimension( \* ) ct, real, dimension( \* ) g, real, dimension( ldcc, \* ) cc, integer ldcc, real eps, real err, logical fatal, integer nout, logical mv) Definition at line **3243** of file **sblat3.f**. ### subroutine xerbla (character\*(\*) srname, integer info) Definition at line **2901** of file **sblat3.f**. ## Author Generated automatically by Doxygen for LAPACK from the source code.