Commit Graph

3748 Commits

Author SHA1 Message Date
Holger Vogt dd7b9ff273 Avoid memory crash when reading old VDMOS models.
Enable both old and current model format.
2023-12-30 22:52:41 +01:00
Holger Vogt 37944bd7c4 Preliminary fix to bug 650
Don't omit replacement, when independent nested subcircuit has been checked.
FIXME: Better use the cards level parameter.
2023-12-22 17:18:43 +01:00
Brian Taylor 8f52a67786 Fix set but not used warning. 2023-12-19 14:28:29 +01:00
Giles Atkinson af31904f99 The previous fix for Bug #467 - ".OPTION INTERP has accuracy issue"
(359e3d46) updated variable timeold inside a loop so that
all interpolations after the first caused division by zero.
That caused the xspice/delta-sigma example to fail.
Set the variable once at the end of the function.
2023-12-19 14:27:33 +01:00
Holger Vogt 732c12c93f Remove another potential crash if buggy user input 2023-12-09 15:43:19 +01:00
Holger Vogt c69018fe82 Enable measurements with ?-sweep (v, i, temp, or res).
Improve error messages.
Prevent crash is compüdata is not available.
Add to examples for measure failures.
2023-12-09 15:43:15 +01:00
Giles Atkinson a92c569b72 Prevent some strings being mis-recognised by strstr(), including
one that causes a false error message from the vlnggen script.
2023-11-27 17:17:21 +00:00
Giles Atkinson 07ce9c788e Recognise *ng_script_with_params" in the first line of the first
program input file to mean that the file is a pure interpreter
script that receives any remaining command arguments.
In winmain.c ensure that the argv array is NULL-terminated
and tidy some code.
2023-11-27 17:06:39 +00:00
Giles Atkinson 89851872ed When substituting interpreter variables, allow '$' to be part of
the variable expresstion only within '[]' or '()'. That lets
forms like "$a$b" to be treated as two substitutions, not one.
2023-11-27 15:13:31 +00:00
Giles Atkinson 3ba314d4bc New interpreter commands strstr, strslice, fopen, fread and fclose. 2023-11-27 14:58:01 +00:00
Holger Vogt 3d1cbf93ee Add a predifined variable 'skywaterpdk' to speed up circuit
loading and parsing.
If set, it removes quoting tokens for params. This requires
that Skywater PDK does adequately stick to the ngspice syntax
to put params in between braces. As far as tests go, it does.
It also set the number of nodes for MSO devices to 4, so no lengthy
search is required.
2023-11-23 18:29:48 +01:00
Holger Vogt e87651e27f Update to comments, restrict mutex definitions to shared ngspice 2023-11-19 12:05:10 +01:00
Holger Vogt 3619041e26 Add new lock for realloc of vectors 2023-11-19 12:05:01 +01:00
Holger Vogt 1db8eff25c Write message only once. 2023-11-19 10:46:19 +01:00
Holger Vogt 86e991515e Enable compiling with MINGW under MS Windows 2023-11-18 20:09:49 +01:00
Holger Vogt 4d4f226a83 Prevent crash, when vector is defined, but still empty. 2023-11-18 17:17:04 +01:00
Holger Vogt e57979d15d Plug two memory leaks introduced by
2bbadc608 ("Use a hash table glonodes to prevent
double or multiple entries in global node table
global_nodes", 2023-11-17)
2023-11-17 23:50:59 +01:00
Holger Vogt 70e366021b Generate seed numbers from a microseconds clock, not a seconds clock 2023-11-17 18:35:21 +01:00
Holger Vogt 81bb886c71 Replace array global_nodes by hash table glonodes:
Save each global node only once
Search for global nodes hash table (much faster than scanning the list repeatedly).
Remove limit for amount of global nodes.
2023-11-17 17:02:06 +01:00
Holger Vogt 2bbadc6085 Use a hash table glonodes to prevent double or multiple entries
in global node table global_nodes
2023-11-17 13:58:57 +01:00
Holger Vogt 29bfe94318 Exclude some code under a unified #undef REM_USED 2023-11-13 12:32:15 +01:00
dwarning 2cf2693706 few code cleanings 2023-11-12 17:04:36 +01:00
Holger Vogt c87df54f24 Remove unused global variable cp_dol.
This also prevents a gcc 13 bug, as cp_dol has been set to '\0'
by -O2 optimization (see
https://stackoverflow.com/questions/77407156/s-0-being-optimized-out-possible-gcc-13-bug-or-some-undefined-behaviour)
2023-11-11 10:39:51 +01:00
Giles Atkinson 359e3d4609 Fix Bug #467 - ".OPTION INTERP has accuracy issue". 2023-11-09 12:09:05 +00:00
Giles Atkinson 4228ba6e8a Ignore end-of-line comments in quoted strings. 2023-11-09 12:06:34 +00:00
Holger Vogt 39443fafdd Removing unused models takes much more time than keeping them
for large circuits.

Probably a hash table may help here (t.b.d.).
2023-10-18 14:36:08 +02:00
Holger Vogt 8ef0aece58 During setup of the models thre have been search scans in the
linked model list modtab. The time used here grows approx.
quadratically with the number of models. If the numbers get large,
e.g. with the IHP Open PDK, setup time make simulation impractical.
Therefore the linked list modtab has been enhanced by a hash table
modtabhash, which allows linear search time and makes simulation
of a 200k transistor circuit with IHP PDK possible. Already
the setup time for 15k transistor circuits has been reduced.
2023-10-18 14:34:16 +02:00
Holger Vogt 9edf34495e Don't say 'issue in line no. 0', as this 'info' does not tell
where the line with position 0 really is in the input deck.
2023-10-09 23:19:30 +02:00
Holger Vogt 53315ed764 Prevent crash when no input file given. 2023-10-05 00:19:51 +02:00
Holger Vogt 28b495318d Update to command 'wrnodev':
Prevent crash if tran is not (yet) run.
Open output file only when data are available.
Enhanced comment and warning message.
2023-09-28 10:05:31 +02:00
Holger Vogt e449c894ce Prepend title line by '*' if printed by 'listing r'.
This allows skipping all pre-processing.
2023-09-27 15:51:16 +02:00
Holger Vogt 76f837b0b7 skip all pre-processing for expanded input files created by 'listing r' 2023-09-27 15:49:37 +02:00
Giles Atkinson 2790fd68bb Make the special "noglob" variable work. To preserve previous behaviour
change the default value from true to undefined (meaning false).
Also fix a misleading comment in glob.c.
2023-09-25 10:54:13 +02:00
Giles Atkinson a70e708114 Make special interpreter variable "noglob" behave as documented:
globbing is off by default.  An incompatible change, but previous
behaviour can be restored by "unset noglob" in .spiceinit.
2023-09-23 17:03:34 +02:00
Giles Atkinson 41c61604c5 Handle SIGTTIN and SIGTTOU on Unix-like OSs with X11 graphics.
That makes it possible to push ngspice into the background while
plot windows are open: the windows remain responsive.
Discussion on ngspice-users, starting 2023-09-01,
title: "`quit` in Interactive Mode."
Also restore terminal state when forcing exit with SIGINT (control-C).
2023-09-23 17:03:24 +02:00
Giles Atkinson 588116af48 Fix a bug in the "help" command. Some commands have no action function,
so the function pointer should not be used to detect the end of the table.
Use the command name instead.
2023-09-23 17:03:19 +02:00
Holger Vogt f3eb46e76d Fix bug in fprintf 2023-09-23 16:45:35 +02:00
Holger Vogt b034332e84 Improve warning message during evaluating .probe 2023-09-19 14:57:22 +02:00
Holger Vogt 01bdd44ef9 Modify the previous commit a616a0abe:
no spaces in the first column
2023-09-15 23:41:12 +02:00
Vogt a616a0abe3 Add variable wr_onspace to allow printing the vetor name with
one space delimiter
2023-09-14 15:22:14 +02:00
dwarning 4368790c5d remove compiler warning wrt. prototypes 2023-09-11 14:50:27 +02:00
Holger Vogt 64307ba907 Add a title line to 'listing r', so the resulting output may be
re-loaded by the 'source' command.
2023-09-10 13:44:18 +02:00
Brian Taylor 492bb64d92 By default, use the shortest typical delay estimate. This makes the digi_74LS90_74LS42.cir testcase for bug641 behave almost the same as MicroCap 12. In ngspice and MicroCap, the only signal with a glitch is not_y8. The other not_* signals look the same. Setting ps_use_mntymx in .spiceinit will change the delay estimates. See the function set_u_devices_info in src/frontend/udevices.c for the various settings of ps_use_mntymx. 2023-09-09 23:22:06 +02:00
Holger Vogt ad23146544 Don't check continuously for autostop, only when option flag is set
This speeds up simulations with simple device evaluation, but many
time stepps.
2023-09-09 18:37:13 +02:00
Holger Vogt 0f14c690d5 Stat. functions: safeguard against divide by zero, return nominal value 2023-08-26 10:15:08 +02:00
Holger Vogt c0d73dcd6f Fix bug 642 by replacing strstr() by search_plain_identifier() 2023-08-19 23:14:26 +02:00
Holger Vogt adc645d8e9 Fix intro comment: NDEV is no longer supported in ngspice 2023-08-16 11:14:26 +02:00
Francesco Lannutti 8123fde6f7 Handled properly KLU messages when XSPICE is purely digital 2023-08-16 11:14:23 +02:00
Francesco Lannutti 937325e2ce Handled an empty circuit with KLU 2023-08-16 11:14:23 +02:00
Holger Vogt 33eec95855 plug a memory leak 2023-08-16 11:14:20 +02:00