Log Message:
Updated cad/ng-spice 23 to 27

Ngspice-27, Aug 28th, 2017
============

- New features:
    + check for correct inductor coefficients
    + add variable 'win_console'
    + --enable-relpath configure flag to set preprocessor flag HAS_RELPATH
    +    sets search path for spinit relativ to current directory
    + The search path for .spiceinit is: current dir, HOME dir, USERPROFILE dir
    + new function stddev to calculate the standard deviation of all elements of \ 
a vector
    + xspice digital n-input x m-output look-up table gate
    + xspice digital model d_lut (digital n-input look-up table gate)
    + add variable $sharedmode (if shared ngspice is running), to be used in scripts
    + enable msys2 for mingw compilation
    + OMP support for bsim3v3.24 model
    + bsim3v3.24: add model parameter lmlt (Channel length scaling)
    + OMP support for BSIM4.5 model
    + update and extension of command 'wrdata'
    + option xmu to set damping in trapezoid integration
    + command 'linearize' will take time data from transient analysis vector if \ 
no circuit
      is loaded
    + two new commands: edisplay and eprvcd
    +     'edisplay' will show a list of all event nodes
    +     'eprvcd' will print all event nodes in vcd format
    + XSPICE 2D and 3D table models
    + add variable 'batchmode' which is set when command line option `-b' is active
    + enable backquote substitution for Visual Studio console apps
    + update how-to-ngspice-vstudio.txt
    + update visualc directory and project files, add XSPICE code model \ 
generation by VS2015
    + allow access to 4 GB memory of 32 bit ngspice on 64 bit Windows, 8 TB for \ 
64 bit ngspice
    + new variable `interactive'
    + xspice, introduce cm_message_printf()
    + add variable `width' to command "print line ..."
    + support msys2
    + favor exponential temperatur equation if all parameters tc1, tc2 and tce \ 
are given for R
    + move libfftw3 sideways out of the ngspice tree
    + remove visual studio 2008 .vcproj files
    + visualc/sharedspice.vcxproj, updated and migrated with visual studio 2015
    + `E..table {expr} {pairs}', `G..', allow an optional `=' after `table'
    + `E..value=', `G..value=', allow `=' being optional
    + introduce TCE, exponential temperature coefficient for R
    + allow `temper' to be recognised when preceded by '='
    + allow cross-compilation, especially for MinGW-w64
    + allow "plot xlog ylog" (equiv to "plot loglog")
    + extend qa test to hisimhv version 2
    + update hisimhv model to version 2.2.0
    + update hisim model to version 2.8.0
    + .control variable "sqrnoise" to deliver noise data in squared \ 
representation
    + noise analysis, deliver results in V/sqrt(Hz) and A/sqrt(Hz)
    + add delvt0 for bsim4 models
    + bug fixes for diode model
    + allow a xspice circuit with exclusively xspice event nodes
    + man pages for cmpp ngmakeidx and ngproc2mod
    + implement `nint()'
    + everywhere: ln to the base e, log to the base e, log10 to the base 10
    + allow an optional '=' in ".func foo() = {expr}"
    + bsim4, update to version 4.8
    + update hisimhv to version 1.2.4
    + cmc quality check for bsim3 model
    + nested indexing for vectors
    + option savecurrents to save current through all devices
    + option interp to plot interpolated raw file data
    + MS VS 2010 project file added for compatibility
    + XSPICE: new callback function cm_get_path

- Bug fixes:
    + many, many ... as always

Ngspice-26, Jan 4th, 2014
============

- New features:
    + fft command may (optionally) use fftw3 library
    + add nint() rounding function
    + usage of 'temper' in behavioral devices
    + check for soa (safe operating area) in several device models
    + library processing rewritten completely to enhance ngspice
      compatibility (.lib)
    + include file processing rewritten to allow nesting and various
      absolute and relative path names (.inc)
    + asinh, acosh, atanh functions
    + shared ngspice option added: ngspice optionally compiles as
      a shared object or dynamic link library
    + use a hash table to massively speed up parsing the netlist
    + implement a very basic .if/.else block
    + implement a signed power function `pwr' for controlled sources
    + implement multiplier `m' in F, G source
    + apply Area Calculation Method (ACM) to the bsim3v3.3 model
    + implement `tc1', `tc2' instance parameters

- Bug fixes:
    + many, many ... please see
      http://sourceforge.net/p/ngspice/ngspice/ci/master/tree/
      and check the 'history' button on the upper right.
    + removed memory leaks

Ngspice-25, Jan 4th, 2013
============

- New features:
    + add temperature coefficients for B source
    + commands "mdump", "mrdump" to dump matrix to file
    + allow `time', `temper', and `hertz' in expressions with behavioral R, L, C
    + Enable ctrl-c to interrupt a simulation also for Windows GUI
    + tests/bsim4: use the standard CMC model qa check
    + implement exit code for command "quit"
    + .nodeset all = value
    + memristor code model in extradev
    + new scalable diode model including tunnel component
    + variable xtrtol may override the XSPICE reduction of trtol
    + XSPICE example: delta-sigma converter
    + XSPICE: new d_source model
    + new option noopac
    + bsim3: make additonal parameters accessible with @mxx[par]
    + enable Mac OS X compilation
    + option reseries = val
    + commands "snsave", "snload"
    + update hisim to version 2.7.0, new qa tests
    + hisimhv update to version 1.2.3, new qa tests
    + allow Ctrl-d to quit
    + jfet model temperature extension, tcv and bex parameter
    + speed up vector handling by hash table for vector address storage and retrieval
    + update PSS code

- Bug fixes:
    + many, many ... please see
      \ 
http://ngspice.git.sourceforge.net/git/gitweb.cgi?p=ngspice/ngspice;a=shortlog;pg=0
    + remove memory leaks
    + update tclspice for MS Windows
    + adms3 removed due to licensing issues

Ngspice-24, Jan 29th, 2012
============

- New features:
    + .csparam allows to tranfer a param into a vector in .control ... .endc
    + functions floor and ceil
    + syntax Gxxx n1 n2 TABLE {expression} = (x0, y0) (x1, y1) (x2, y2)
    + syntax Gxxx n1 n2 value={equation} or Exxx n1 n2 value={equation}
    + variable strict_errorhandling to exit ngspice with exit code 1
      if any error occurs during circuit parsing
    + command altermod allows reading from file
    + command "devhelp" to show available devices and describe device \ 
parameters
    + command "inventory" to print the number of istances of each device.
    + function cph(vec) delivers phase from a vector without jumps at +-PI
    + enable 64 bit compilation in MS Visual Studio
    + --adms3 flag to compile with (experimental) adms code
    + still very experimental pss code
    + command 'remcirc' to remove a circuit from the list
    + command 'wrdata' aknowledges appendwrite and prints complex variables
    + allow comment lines inside of command files
    + path variable NGSPICE_INPUT
    + 'Filesource' code model

- Bug fixes:
    + More on prototypes, type casts, reordering of functions, compiler warnings
    + fix a numerical problem in the hisim2 and hisimhv models
    + plot i(vdd) from a loaded rawfile
    + fix the guard for device generated internal nodes (via CKTmkVolt())
    + reduce memory leaks for command 'reset'
    + parameter processing for nested .subckt
    + bsim4/b4noi.c: correct init the correlated noise slot in noiseDens and \ 
lnNdens vector
    + Many small bugs