RE: g77 problem with -lstdc++

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Paul Smith wrote:
|>  Actually, I am trying to compile Algacan from
|>
|>  http://www.ime.usp.br/~egbirgin/tango/codes.php
|>
|>  and I am not being successful.
|
|In addition, see
|
|http://www.ime.usp.br/~egbirgin/tango/c.php
|

I have gome to the ime.usp,br site and downloaded
the Tango tar-bundle, and near the bottom of the page,
downloaded the individual files for the "toy" examples.

As for building the Tango tar-bundle, I noticed straight
away that there is no -lstdc++ for any of the make
files. So I have to assume that you are using it for
some other application? In any case, I was not able
to build the tar-bundled application since the Makefiles
do not appear to be compatable to Linux(Fedora). Doing a
'make clean' resulted in an infinite loop, for example.

As for the "toy" applications, given the compile instructions,
on the download page there was no problem in doing so:

g77 -O4 -xf77-cpp-input algencanma.f toyprob.f algencan.f -o algencanma
(No Errors reported.)

Running ./algencanma resulted:
========================================================

 The optional specification file algencan.dat was not found in the current
 directory (this is not a problem nor an error). The default values for the
 ALGENCAN parameters will be used.

 ALGENCAN PARAMETERS:
 rhoauto  =                    T
 rhotype  =                    1
 rhomult  =           1.0000E+01
 rhofrac  =           5.0000E-01
 gtype    =                    0
 hptype   =                    6
 intype   =                    0
 precond  =               QNCGNA
 checkder =                    F
 epsfeas  =           1.0000E-04
 epsopt   =           1.0000E-04
 maxoutit =                   50
 maxtotit =              1000000
 maxtotfc =              5000000
 iprint   =                    1
 ncomp    =                    5

 Entry to ALGENCAN.

 Number of variables:       2 Number of constraints:       2

 Lower bounds (first       2 components): 
 -1.0000E+01 -1.0000E+20

 Upper bounds (first       2 components): 
  1.0000E+01  1.0000E+20

 ALGENCAN outer iteration:       0

 Current point (first       2 components): 
  0.0000E+00  0.0000E+00

 Updated Lagrange multipliers (first       2 components): 
  0.0000E+00  0.0000E+00

 Updated penalty parameters (first       2 components): 
  4.0000E+00  4.0000E+00

 Objective function value                                       =  0.0000E+00
 Sup-norm of the constraints                                    =  2.0000E+00
 Sup-norm of the projected gradient of the Lagrangian           =  1.0000E+00

 Up-to-now number of inner iterations                           =           0
 Up-to-now number of Augmented Lagrangian function evaluations  =           1
 Up-to-now number of Augmented Lagrangian gradient evaluations  =           1

 The penalty parameters are not modified
 after the resolution of the first subproblem.

 ALGENCAN outer iteration:       1

 Current point (first       2 components): 
  6.0716E-01  1.2557E+00

 Updated Lagrange multipliers (first       2 components): 
  4.5159E-01  5.4838E-01

 Updated penalty parameters (first       2 components): 
  4.0000E+00  4.0000E+00

 Objective function value                                       =  1.2557E+00
 Sup-norm of the constraints                                    =  1.3709E-01
 Sup-norm of the projected gradient of the Lagrangian           =  3.5620E-05

 Up-to-now number of inner iterations                           =           6
 Up-to-now number of Augmented Lagrangian function evaluations  =           9
 Up-to-now number of Augmented Lagrangian gradient evaluations  =           9

 Desired feasibility improvement was achieved,
 so, penalty parameters will not be modified.

 ALGENCAN outer iteration:       2

 Current point (first       2 components): 
  6.1713E-01  1.3819E+00

 Updated Lagrange multipliers (first       2 components): 
  4.4757E-01  5.5242E-01

 Updated penalty parameters (first       2 components): 
  4.0000E+00  4.0000E+00

 Objective function value                                       =  1.3819E+00
 Sup-norm of the constraints                                    =  1.0109E-03
 Sup-norm of the projected gradient of the Lagrangian           =  1.0746E-05

 Up-to-now number of inner iterations                           =           9
 Up-to-now number of Augmented Lagrangian function evaluations  =          14
 Up-to-now number of Augmented Lagrangian gradient evaluations  =          14

 Desired feasibility improvement was achieved,
 so, penalty parameters will not be modified.

 ALGENCAN outer iteration:       3

 Current point (first       2 components): 
  6.1796E-01  1.3819E+00

 Updated Lagrange multipliers (first       2 components): 
  4.4728E-01  5.5280E-01

 Updated penalty parameters (first       2 components): 
  4.0000E+00  4.0000E+00

 Objective function value                                       =  1.3819E+00
 Sup-norm of the constraints                                    =  9.4348E-05
 Sup-norm of the projected gradient of the Lagrangian           =  8.1567E-05

 Up-to-now number of inner iterations                           =          10
 Up-to-now number of Augmented Lagrangian function evaluations  =          17
 Up-to-now number of Augmented Lagrangian gradient evaluations  =          17

 Flag of ALGENCAN =  0 (Convergence with Sup-norm of the Lagrangian projected
 gradient smaller than  1.0000E-04, constraints Sup-norm smaller than
  1.0000E-04, and largest complementarity violation smaller than  1.0000E-04)
========================================================


So, IMO, the f/g77 compiler works fine.  You just need to
work on porting Tango Makefiles to Linux(Fedora).

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