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< pre style = " font-family:monospace;font-size:12pt " >
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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 > & quot ; Enter algebraic equation to graph . \ n & quot ; < / span > < span class = cF0 >
< a name = " l17 " > < / a > < / span > < span class = cF6 > & quot ; Example : y = 2 * x \ n & quot ; < / span > < span class = cF0 >
< a name = " l18 " > < / a > < / span > < span class = cF6 > & quot ; y = & quot ; < / 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 > - & gt ; 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 > - & gt ; pix_height / < / span > < span class = cFE > 2 < / span > < span class = cF0 > ;
< a name = " l25 " > < / a > dc - & gt ; 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 - & gt ; 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 & lt ; = h ; x + + )
< a name = " l31 " > < / a > {
< a name = " l32 " > < / a > y = - < / span > < span class = cF5 > ExePrint < / span > < span class = cF0 > ( < / span > < span class = cF6 > & quot ; ToF64 ( % s ) ; & quot ; < / 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 > & amp ; & amp ; 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.html#l1281"><span class=cF4>LexExpression2Bin</span></a><span class=cF2>() and use </span><a href="https://tomawezome.github.io/ZealOS/Kernel/KernelB.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.html#l1"><span class=cF4>::/Demo/CompileDemo.CC</span></a><span class=cF2>.</span><span class=cF0>
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< / span > < / pre > < / body >
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