BLMVM Directives for AMPL

     ampl: option blmvm_options 'tao_fatol=0.005 tao_max_it=1000';

Directive Name (Default Value): Interpretation

tao_fatol (0.0001): Stop if solution is within this value

tao_frtol (0.0001): Stop if relative solution is within this value

tao_gatol (0.0): Stop if norm of gradient is less than this value

tao_grtol (0.0): Stop if norm of gradient divided by function value is 
     less than this value

tao_gttol (0.0): Stop if the norm of the gradient is 
     less than the norm of the initial gradient times this value 

tao_max_it (10000): Maximum number of iterations 

tao_max_funcs (10000): Maximum number of function evaluations 

tao_fmin (-1e30): Stop if function is less than this value

tao_lmvm_lm (5): Number of vectors to retain for hessian approximation 

tao_monitor (0): If nonzero, then information is displayed at every iteration 

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