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Binary search solver in HTA???
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta http-equiv="X-UA-Compatible" content="IE=10"> | |
| <title>solver</title> | |
| </head> | |
| <body onload="window.resizeTo(300, 300)"> | |
| <script language="VBScript" type="text/vbscript"> | |
| Function BoxedEval(func, x) | |
| BoxedEval = Eval(func) | |
| End Function | |
| Function Solve(func, a, b, prec) | |
| Dim c | |
| Do While Abs(a - b) >= prec | |
| c = (a + b) / 2 | |
| If BoxedEval(func, a) * BoxedEval(func, c) < 0 Then | |
| b = c | |
| Else | |
| a = c | |
| If BoxedEval(func, c) = 0 Then | |
| Exit Do | |
| End If | |
| End If | |
| Loop | |
| Solve = a | |
| End Function | |
| Function SolveAndDisplay() | |
| Dim func, a, b, prec, result | |
| func = document.getElementById("func").value | |
| a = CDbl(document.getElementById("a").value) | |
| b = CDbl(document.getElementById("b").value) | |
| prec = CDbl(document.getElementById("prec").value) | |
| result = Solve(func, a, b, prec) | |
| document.getElementById("result").innerText = CStr(result) | |
| SolveAndDisplay = False | |
| End Function | |
| </script> | |
| <form action="#" onsubmit="return SolveAndDisplay()"> | |
| <input type="text" id="func" placeholder="func"/> | |
| <input type="text" id="a" placeholder="a"/> | |
| <input type="text" id="b" placeholder="b"/> | |
| <input type="text" id="prec" placeholder="prec"/> | |
| <br/> | |
| <input type="submit"/> | |
| </form> | |
| <span id="result"></span> | |
| </body> | |
| </html> |
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its janky because i am literally replicating a logic flowchart in a textbook with this