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< a name = "l1" > < / a > < span class = cF2 > //x must be global.< / span > < span class = cF0 >
< a name = "l2" > < / a > < / span > < span class = cF2 > //Might as well make y global.< / span > < span class = cF0 >
< a name = "l3" > < / a >
< a name = "l4" > < / a > < / span > < span class = cF1 > F64< / span > < span class = cF0 > x, y, y_last;
< a name = "l5" > < / a >
< a name = "l6" > < / a > < / span > < span class = cF1 > U0< / span > < span class = cF0 > Cartesian()
< a name = "l7" > < / a > {
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< a name = "l8" > < / a > < / span > < span class = cF1 > U8< / span > < span class = cF0 > *st;
< a name = "l9" > < / a > < / span > < span class = cF9 > I64< / span > < span class = cF0 > ch = < / span > < span class = cFE > 0< / span > < span class = cF0 > , h, v;
< a name = "l10" > < / a > < / span > < span class = cF1 > Bool< / span > < span class = cF0 > first;
< a name = "l11" > < / a > < / span > < span class = cF9 > CDC< / span > < span class = cF0 > *dc = < / span > < span class = cF5 > DCAlias< / span > < span class = cF0 > ;
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< a name = "l12" > < / a >
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< a name = "l13" > < / a > < / span > < span class = cF1 > do< / span > < span class = cF0 >
< a name = "l14" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l15" > < / a > < / span > < span class = cF5 > DocClear< / span > < span class = cF0 > ;
< a name = "l16" > < / a > < / span > < span class = cF6 > " Enter algebraic equation to graph.\n" < / span > < span class = cF0 >
< a name = "l17" > < / a > < / span > < span class = cF6 > " Example: y=2*x\n" < / span > < span class = cF0 >
< a name = "l18" > < / a > < / span > < span class = cF6 > " y=" < / span > < span class = cF0 > ;
< a name = "l19" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (st = < / span > < span class = cF5 > StrGet< / span > < span class = cF0 > )
< a name = "l20" > < / a > {
< a name = "l21" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (*st)
< a name = "l22" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l23" > < / a > h = < / span > < span class = cF5 > Fs< / span > < span class = cF0 > -> pix_width / < / span > < span class = cFE > 2< / span > < span class = cF0 > ;
< a name = "l24" > < / a > v = < / span > < span class = cF5 > Fs< / span > < span class = cF0 > -> pix_height / < / span > < span class = cFE > 2< / span > < span class = cF0 > ;
< a name = "l25" > < / a > dc-> color = < / span > < span class = cF3 > RED< / span > < span class = cF0 > ;
< a name = "l26" > < / a > < / span > < span class = cF5 > GrLine< / span > < span class = cF0 > (dc, h, < / span > < span class = cFE > 0< / span > < span class = cF0 > , h, < / span > < span class = cFE > 2< / span > < span class = cF0 > * v + < / span > < span class = cFE > 1< / span > < span class = cF0 > );
< a name = "l27" > < / a > < / span > < span class = cF5 > GrLine< / span > < span class = cF0 > (dc, < / span > < span class = cFE > 0< / span > < span class = cF0 > , v, < / span > < span class = cFE > 2< / span > < span class = cF0 > * h + < / span > < span class = cFE > 1< / span > < span class = cF0 > , v);
< a name = "l28" > < / a > first = < / span > < span class = cF3 > TRUE< / span > < span class = cF0 > ;
< a name = "l29" > < / a > dc-> color = < / span > < span class = cF3 > BLACK< / span > < span class = cF0 > ;
< a name = "l30" > < / a > < / span > < span class = cF1 > for< / span > < span class = cF0 > (x = -h; x < = h; x++)
< a name = "l31" > < / a > {
< a name = "l32" > < / a > y = -< / span > < span class = cF5 > ExePrint< / span > < span class = cF0 > (< / span > < span class = cF6 > " ToF64(%s);" < / span > < span class = cF0 > , st)(< / span > < span class = cF1 > F64< / span > < span class = cF0 > );
< a name = "l33" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (!first)
< a name = "l34" > < / a > < / span > < span class = cF5 > GrLine< / span > < span class = cF0 > (dc, x - < / span > < span class = cFE > 1< / span > < span class = cF0 > + h, y_last + v, x + h, y + v);
< a name = "l35" > < / a > y_last = y;
< a name = "l36" > < / a > first = < / span > < span class = cF3 > FALSE< / span > < span class = cF0 > ;
< a name = "l37" > < / a > }
< a name = "l38" > < / a > ch = < / span > < span class = cF5 > CharGet< / span > < span class = cF0 > ;
< a name = "l39" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
< a name = "l40" > < / a > < / span > < span class = cF1 > else< / span > < span class = cF0 >
< a name = "l41" > < / a > ch = < / span > < span class = cF3 > CH_SHIFT_ESC< / span > < span class = cF0 > ;
< a name = "l42" > < / a > < / span > < span class = cF5 > Free< / span > < span class = cF0 > (st);
< a name = "l43" > < / a > }
< a name = "l44" > < / a > < / span > < span class = cF1 > else< / span > < span class = cF0 >
< a name = "l45" > < / a > ch = < / span > < span class = cF3 > CH_SHIFT_ESC< / span > < span class = cF0 > ;
< a name = "l46" > < / a > < / span > < span class = cF5 > DCFill< / span > < span class = cF0 > ;
< a name = "l47" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
< a name = "l48" > < / a > < / span > < span class = cF1 > while< / span > < span class = cF0 > (ch != < / span > < span class = cF3 > CH_SHIFT_ESC< / span > < span class = cF0 > & & ch != < / span > < span class = cF3 > CH_ESC< / span > < span class = cF0 > );
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< a name = "l49" > < / a >
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< a name = "l50" > < / a > < / span > < span class = cF5 > DCDel< / span > < span class = cF0 > (dc);
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< a name = "l51" > < / a > }
< a name = "l52" > < / a >
< a name = "l53" > < / a > Cartesian;
< a name = "l54" > < / a >
< a name = "l55" > < / a > < / span > < span class = cF2 > //For better performance, compile the expression entered by the< / span > < span class = cF0 >
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< a name = "l56" > < / a > < / span > < span class = cF2 > //user one time with < / span > < a href = "https://tomawezome.github.io/ZealOS/Compiler/ParseExp.CC.html#l1281" > < span class = cF4 > LexExpression2Bin< / span > < / a > < span class = cF2 > () and use < / span > < a href = "https://tomawezome.github.io/ZealOS/Kernel/KernelB.HH.html#l32" > < span class = cF4 > Call< / span > < / a > < span class = cF2 > ().< / span > < span class = cF0 >
< a name = "l57" > < / a > < / span > < span class = cF2 > //See < / span > < a href = "https://tomawezome.github.io/ZealOS/Demo/CompileDemo.CC.html#l1" > < span class = cF4 > ::/Demo/CompileDemo.CC< / span > < / a > < span class = cF2 > .< / span > < span class = cF0 >
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< / span > < / pre > < / body >
< / html >
