bigfloat.demo.tcl File Reference

Go to the source code of this file.

Modules
module	import::math::bigfloat
Functions/Subroutines
ret	addButtonTwo (type commande)
ret	addButtonOne (type commande)
ret	drawButtons ()
ret	initStack ()
ret	Push ()
ret	toStr (type n)
ret	drawStack (type args)
ret	init ()
ret	_save ()
ret	ShowFile (type filename, type buttonText)
ret	_help (type args)
ret	_del ()
ret	_swap ()
ret	_dup ()
ret	pop (type varname)
ret	push (type x)
ret	_exit ()

---

Function Documentation

ret _del

(

)

Definition at line 251 of file bigfloat.demo.tcl.

             {
    if {[llength $::stack]<=1} {
        set ::stack {}
    } else  {

ret _dup

(

)

Definition at line 266 of file bigfloat.demo.tcl.

             {

ret _exit

(

)

Definition at line 287 of file bigfloat.demo.tcl.

              {

ret _help

(

type

args

)

Definition at line 246 of file bigfloat.demo.tcl.

                       {

ret _save

(

)

Definition at line 207 of file bigfloat.demo.tcl.

              {
    set fichier [tk_getSaveFile -filetypes {{{Text Files} {.txt}}} -title "Save the stack as ..."]
    if {$fichier == ""} {
        error "You should give a name to the file. Aborting saving operation. Sorry."
    }
    if {[lindex [split $fichier .] end]!="txt"} {
        append fichier .txt
    }
    if {[catch {set file [open $fichier w]}]} {
        error "Write impossible on file : '$fichier'"
    }
    foreach valeur $::stack {
        puts $file [::math::bigfloat::tostr $valeur]

ret _swap

(

)

Definition at line 259 of file bigfloat.demo.tcl.

              {
    set last [lindex $::stack end]

ret addButtonOne

(

type

commande

)

Definition at line 70 of file bigfloat.demo.tcl.

References pop().

                                  {
    addButton $commande
    proc _$commande {} "if {\[catch {pop a} msg\]} {tk_messageBox -message \$msg;return}
    if {\[catch {set result \[$commande \$a\]} msg\]} {push \$a
        tk_messageBox -message \$msg

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ret addButtonTwo

(

type

commande

)

Definition at line 56 of file bigfloat.demo.tcl.

                                  {
    addButton $commande
    proc _$commande {} "if {\[catch {pop a} msg\]} {tk_messageBox -message \$msg;return}
    if {\[catch {pop b} msg\]} {push \$a
        tk_messageBox -message \$msg;return}
    if {\[catch {set result \[$commande \$a \$b\]} msg\]} {
        push \$b
        push \$a
        tk_messageBox -message \$msg

ret drawButtons

(

)

Definition at line 80 of file bigfloat.demo.tcl.

                    {
    global nbButtons
    set nbLines [expr {int(sqrt($nbButtons))}]
    for {set i 0} {$i<$nbButtons} {incr i} {
        set col [expr {$i%$nbLines}]
        set line [expr {$i/$nbLines}]
        set commande $::buttons($i,command)
        set texte $::buttons($i,texte)
        button .functions.$commande -text $texte -command $commande -width 10
        grid .functions.$commande -column $col -row $line -in .functions

ret drawStack

(

type

args

)

Definition at line 126 of file bigfloat.demo.tcl.

                           {
    set l [lrange $::stack end-3 end]
    for {set i 4} {$i>[llength $l]} {incr i -1} {
        .stack.n[expr {5-$i}] configure -text "Empty" -foreground #097
    }
    for {set i 0} {$i<[llength $l]} {incr i} {
        set number [lindex $::stack end-$i]

ret init

(

)

Definition at line 137 of file bigfloat.demo.tcl.

             {
    wm title . "BigFloatDemo 1.2"
    # the stack (for RPN)
    frame .stack
    pack .stack
    initStack
    # the commands for input
    set c [frame .commands]
    pack $c -padx 10 -pady 10
    set ::bignum 1.00
    entry $c.bignum -textvariable ::bignum -width 16
    pack $c.bignum -in $c -side left
    label $c.labelZero -text "append zeros"
    pack $c.labelZero -in $c -side left
    set ::zeros 0
    entry $c.zeros -textvariable ::zeros -width 4
    pack $c.zeros -in $c -side left
    button $c.fenter -text "Push" -command Push
    pack $c.fenter -in $c -side left
    # the functions for numbers
    frame .functions
    pack .functions
    set f .functions
    # chaque fonction est associée, d'une part,
    # à un bouton portant un libellé, et d'autre part
    # à une commande Tcl
    # ici nous associons le bouton "add" à la commande "add"
    addButtonTwo add
    # toutes ces commandes se trouvent à la fin de ce fichier
    addButtonTwo sub
    addButtonTwo mul
    addButtonTwo div
    addButtonTwo mod
    addButtonOne opp
    addButtonOne abs
    addButtonOne round
    addButtonOne ceil
    addButtonOne floor
    addButtonTwo pow
    addButtonOne sqrt
    addButtonOne log
    addButtonOne exp
    addButtonOne cos
    addButtonOne sin
    addButtonOne tan
    addButtonOne acos
    addButtonOne asin
    addButtonOne atan
    addButtonOne cotan
    addButtonOne cosh
    addButtonOne sinh
    addButtonOne tanh
    addButtonOne pi
    addButtonOne rad2deg
    addButtonOne deg2rad
    addButtonOne int2float
    addButton del
    addButton swap
    addButton dup
    addButton help
    addButton save
    addButton exit

ret initStack

(

)

Definition at line 94 of file bigfloat.demo.tcl.

                  {
    foreach i {1 2 3 4} {
        label .stack.l$i -text "[expr {5-$i}] :" -foreground #079 -width 5
        grid .stack.l$i -in .stack -row $i -column 1
        label .stack.n$i -text "Empty" -foreground #097 -width 85
        grid .stack.n$i -in .stack -row $i -column 2

ret pop

(

type

varname

)

Definition at line 272 of file bigfloat.demo.tcl.

Referenced by addButtonOne().

                        {
    if {[llength $::stack]==0} {
        error "too few arguments in the stack"
    }
    upvar $varname out
    set out [lindex $::stack end]

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ret push

(

type

x

)

Definition at line 283 of file bigfloat.demo.tcl.

                   {

ret Push

(

)

Definition at line 104 of file bigfloat.demo.tcl.

             {
    set x [fromstr $::bignum]
    if {![isInt $x]} {
        set x [fromstr $::bignum $::zeros]
    }
    lappend ::stack $x

ret ShowFile	(	type	filename,
		type	buttonText
	)

Definition at line 224 of file bigfloat.demo.tcl.

                                                {
    if {[catch {toplevel .help}]} {
        tk_messageBox -message "Unable to create the window ; please close the current help window"
        return
    }
    frame .help.licence
    text .help.licence.t -yscrollcommand {.help.licence.s set}
    scrollbar .help.licence.s -command {.help.licence.t yview}
    grid .help.licence.t .help.licence.s -sticky nsew
    grid columnconfigure .help.licence 0 -weight 1
    grid rowconfigure .help.licence 0 -weight 1
    
    pack .help.licence -in .help
    set fd [open $filename]
    .help.licence.t insert 0.0 [read $fd]
    close $fd
    .help.licence.t configure -state disabled
    button .help.bouton -text $buttonText -command {destroy .help;raise .}

ret toStr

(

type

n

)

Definition at line 115 of file bigfloat.demo.tcl.

                    {
    set n [math::bigfloat::tostr $n]
    set resultat ""
    while {[string length $n]>80} {
        append resultat "[string range $n 0 79]...\n"
        set n [string range $n 80 end]