eldo_user

Eldo Control Language
.OPTIMIZE Alternative
* ECL .OPTIMIZE alternative
.define_testbench optimize_this()
.paramopt res_value=(5,1,10)
v1 1 0 dc 2
r1 1 0 res_value
.dc
.plot dc v(1) i(v1) i2(v1)
.option aex
.extract dc label=v1_current i2(v1) goal=0.35
.optimize
.option opseldo_netlist
.end_define_testbench
.define_testbench final_run(res_value=0)
v1 1 0 dc 2
r1 1 0 res_value
.dc
.plot dc v(1) i(v1) i2(v1)
.option aex
.extract dc label=v1_current i2(v1)
.end_define_testbench
.define_task run()
set current=0
set return_value=0
set final_resistance=0
return_value = simulation(name="optimization_file",
+ log="optimization_run.log", optimize_this(),
+ final_resistance=@res_value)
if (return_value.simu_status == 0)
fprint(stdout, "\nfinal_resistance = %g\n", final_resistance)
else
fprint(stdout, "\nBad optimization run. return status = %g.\n",
+ return_value.simu_status)
endif
return_value = simulation(name="final_results_file",
+ log="final_rerun.log", final_run(res_value=final_resistance))
if (return_value.simu_status == 0)
fprint(stdout, "\nFinal run made from file %s\n",
+ "final_results_file.cir")
else
fprint(stdout, "\nBad final run. return status = %g\n",
+ return_value.simu_status)
endif
.end_define_task
.run
.end
The full example is located in $MGC_AMS_HOME/examples/ecl/28-optimize_alternative.
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Eldo® User's Manual, 15.3