source: issm/trunk-jpl/src/m/classes/autodiff.js@ 19787

//AUTODIFF class definition
//
//   Usage:
//      autodiff=new autodiff();

function autodiff (){
        //methods
        this.setdefaultparameters = function(){// {{{

                this.obufsize     = 524288;
                this.lbufsize     = 524288;
                this.cbufsize     = 524288;
                this.tbufsize     = 524288;
                this.gcTriggerRatio=2.0;
                this.gcTriggerMaxSize=65536;

        }// }}}
        this.disp= function(){// {{{

                console.log(sprintf('   automatic differentiation parameters:'));
                fielddisplay(this,'isautodiff','indicates if the automatic differentiation is activated');
                fielddisplay(this,'dependents','list of dependent variables');
                fielddisplay(this,'independents','list of independent variables');
                fielddisplay(this,'driver',"ADOLC driver ('fos_forward' or 'fov_forward')");
                fielddisplay(this,'obufsize','Number of operations per buffer (==OBUFSIZE in usrparms.h)');
                fielddisplay(this,'lbufsize','Number of locations per buffer (==LBUFSIZE in usrparms.h)');
                fielddisplay(this,'cbufsize','Number of values per buffer (==CBUFSIZE in usrparms.h)');
                fielddisplay(this,'tbufsize','Number of taylors per buffer (<=TBUFSIZE in usrparms.h)');
                fielddisplay(this,'gcTriggerRatio','free location block sorting/consolidation triggered if the ratio between allocated and used locations exceeds gcTriggerRatio');
                fielddisplay(this,'gcTriggerMaxSize','free location block sorting/consolidation triggered if the allocated locations exceed gcTriggerMaxSize');

        }// }}}
                this.checkconsistency = function(md,solution,analyses){ //{{{

                        //Early return 
                        if (!this.isautodiff) return; 

                        //Driver value:
                        checkfield(md,'fieldname','autodiff.driver','values',['fos_forward','fov_forward','fov_forward_all','fos_reverse','fov_reverse','fov_reverse_all']);
                        
                        //buffer values: 
                        checkfield(md,'fieldname','autodiff.obufsize','>=',16);
                        checkfield(md,'fieldname','autodiff.lbufsize','>=',16);
                        checkfield(md,'fieldname','autodiff.cbufsize','>=',16);
                        checkfield(md,'fieldname','autodiff.tbufsize','>=',16);
                        checkfield(md,'fieldname','autodiff.gcTriggerRatio','>=',0);
                        checkfield(md,'fieldname','autodiff.gcTriggerMaxSize','>=',65536);

                        //go through our dependents and independents and check consistency: 
                        for (var i=0;i<this.dependents.length;i++){
                                dep=this.dependents[i];
                                dep.checkconsistency(md,solution,analyses);
                        }
                        for (var i=0;i<this.independents.length;i++){
                                indep=this.independents[i];
                                indep.checkconsistency(md,i,solution,analyses,this.driver);
                        }
                } // }}}
        //properties 
        // {{{
        this.isautodiff   = false;
        this.dependents   = {};
        this.independents = {};
        this.driver       = 'fos_forward';
        this.obufsize     = NaN;
        this.lbufsize     = NaN;
        this.cbufsize     = NaN;
        this.tbufsize     = NaN;
        this.gcTriggerRatio = NaN;
        this.gcTriggerMaxSize = NaN;

        this.setdefaultparameters();
        //}}}
}