TOMS664_PRB:
  Test the TOMS664 library.


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 F I R S T   T E S T   W I T H O U T   D I R E C T - A C C E S S   I / O
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 FIRST DIMENSION OF A:                             M     =        21
 SECOND DIMENSION OF A:                            NA    =      1000

 NUMBER OF EQUATIONS:                              N     =      1000
 NUMBER OF ELEMENTS IN THE BAND OF THE MATRIX A:   M*N   =     21000



 MEMORY REQUIREMENTS:

 NUMBER OF FORTRAN STORAGE UNITS NEEDED     
 TO STORE THE MATRIX A AND THE RHS B:         2*(M*NA+N) =     44000

 NUMBER OF FORTRAN STORAGE UNITS NEEDED     
 TO STORE THE MATRIX A:                         2*(M*NA) =     42000




 ALOGDT =  0.1211436E+04
 SIGNDT =  1.

 PIVMAX =  0.3727772E+02
 PIVMIN =  0.9667904E+01
 IPIV   =        994

 INFO   =          0

 JERR   =          0


 ERROR IN THE L2-NORM:     0.5239618E-15
 AND IN THE MAXIMUM-NORM:  0.2886580E-14




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 S E C O N D   T E S T   W I T H    D I R E C T - A C C E S S   I / O
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 FIRST DIMENSION OF A:                             M     =        21
 SECOND DIMENSION OF A:                            NA    =       511

 NUMBER OF EQUATIONS:                              N     =      1000
 NUMBER OF ELEMENTS IN THE BAND OF THE MATRIX A:   M*N   =     21000



 MEMORY REQUIREMENTS:

 NUMBER OF FORTRAN STORAGE UNITS NEEDED     
 TO STORE THE MATRIX A AND THE RHS B:         2*(M*NA+N) =     23462

 NUMBER OF FORTRAN STORAGE UNITS NEEDED     
 TO STORE THE MATRIX A:                         2*(M*NA) =     21462




 ALOGDT =  0.1211436E+04
 SIGNDT =  1.

 PIVMAX =  0.3727772E+02
 PIVMIN =  0.9667904E+01
 IPIV   =        994

 INFO   =          0

 JERR   =          0


 ERROR IN THE L2-NORM:     0.5239618E-15
 AND IN THE MAXIMUM-NORM:  0.2886580E-14




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 T H I R D   T E S T   W I T H   T O O   S M A L L   V A L U E   OF   NA
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 FIRST DIMENSION OF A:                             M     =        21
 SECOND DIMENSION OF A:                            NA    =         7

 NUMBER OF EQUATIONS:                              N     =      1000
 NUMBER OF ELEMENTS IN THE BAND OF THE MATRIX A:   M*N   =     21000





 JERR   =          1

 RETURN TO CALLING PROGRAM WITH ERROR CODE "JERR = 1,"
 BECAUSE  NA = 7  IS LESS THAN  (M+1)/2 + 2 = 13.


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 F O U R T H   T E S T   W I T H   S M A L L E S T   P I V O T   R E P L A C E D
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 FIRST DIMENSION OF A:                             M     =        21
 SECOND DIMENSION OF A:                            NA    =       511

 NUMBER OF EQUATIONS:                              N     =      1000
 NUMBER OF ELEMENTS IN THE BAND OF THE MATRIX A:   M*N   =     21000



 MEMORY REQUIREMENTS:

 NUMBER OF FORTRAN STORAGE UNITS NEEDED     
 TO STORE THE MATRIX A AND THE RHS B:         2*(M*NA+N) =     23462

 NUMBER OF FORTRAN STORAGE UNITS NEEDED     
 TO STORE THE MATRIX A:                         2*(M*NA) =     21462




 ALOGDT =  0.1211436E+04
 SIGNDT =  1.

 PIVMAX =  0.3727772E+02
 PIVMIN =  0.9667910E+01
 IPIV   =        994

 INFO   =        994

 JERR   =          0


 ERROR IN THE L2-NORM:     0.4620833E-07
 AND IN THE MAXIMUM-NORM:  0.6845441E-06




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 F I F T H   T E S T   W I T H   S M A L L   P I V O T   E L E M E N T
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 FIRST DIMENSION OF A:                             M     =        21
 SECOND DIMENSION OF A:                            NA    =       241

 NUMBER OF EQUATIONS:                              N     =       750
 NUMBER OF ELEMENTS IN THE BAND OF THE MATRIX A:   M*N   =     15750



 MEMORY REQUIREMENTS:

 NUMBER OF FORTRAN STORAGE UNITS NEEDED     
 TO STORE THE MATRIX A AND THE RHS B:         2*(M*NA+N) =     11622

 NUMBER OF FORTRAN STORAGE UNITS NEEDED     
 TO STORE THE MATRIX A:                         2*(M*NA) =     10122


 DEL    =  0.1000000E-11

 EPS    =  0.1000000E-11


 ALOGDT =  0.8937705E+03
 SIGNDT = -1.

 PIVMAX =  0.3542299E+02
 PIVMIN =  0.2283666E-09
 IPIV   =        750

 INFO   =          0

 JERR   =          0


 ERROR IN THE L2-NORM:     0.1290942E-12
 AND IN THE MAXIMUM-NORM:  0.1759259E-11




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 S I X T H   T E S T   W I T H   S M A L L E S T   P I V O T   R E P L A C E D
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 FIRST DIMENSION OF A:                             M     =        21
 SECOND DIMENSION OF A:                            NA    =       241

 NUMBER OF EQUATIONS:                              N     =       750
 NUMBER OF ELEMENTS IN THE BAND OF THE MATRIX A:   M*N   =     15750



 MEMORY REQUIREMENTS:

 NUMBER OF FORTRAN STORAGE UNITS NEEDED     
 TO STORE THE MATRIX A AND THE RHS B:         2*(M*NA+N) =     11622

 NUMBER OF FORTRAN STORAGE UNITS NEEDED     
 TO STORE THE MATRIX A:                         2*(M*NA) =     10122


 DEL    =  0.1000000E-11

 EPS    =  0.2283700E-09


 ALOGDT =  0.8937705E+03
 SIGNDT = -1.

 PIVMAX =  0.3542299E+02
 PIVMIN =  0.2283700E-09
 IPIV   =        750

 INFO   =        750

 JERR   =          0


 ERROR IN THE L2-NORM:     0.2057232E-02
 AND IN THE MAXIMUM-NORM:  0.2803182E-01


 
TOMS664:
  Normal end of execution.