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[Bug-gnucap] gnucap 0.31 fourier segfault / convergence failure

From: Nuno Miguel Fernandes Sucena Almeida
Subject: [Bug-gnucap] gnucap 0.31 fourier segfault / convergence failure
Date: Sun, 30 Jun 2002 00:37:05 +0100 (WEST)

        i get a segfault with the attached schematic when i comment out
the .fourier and set the C2 value from 100pF to 47pF . see the gdb
log attachment for GDB output
        i also have the gEDA schematic if you need it.
        With the same schematic and and another simpler schematic, if i
comment out the BFR96 Philips model parameter ITF = 2.48030E-001 i get

vco_tran_42pF.dat exists.  replace? y
very backward time step
convergence failure (itl4)
zero time step
internal error: step control (adt=1e-12,rdt=-7.8125e-13)
time0=2.0466e-07  time1=2.04659e-07  rtime=2.04659e-07

                                        Nuno Sucena Almeida

Attachment: geda_vco_bfq19_wil.gdb
Description: Text document

Attachment: geda_vco_bfq19_wil.ckt
Description: Text document

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