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Fix Quadratic equation solver example (#120)

This commit is contained in:
Gabriel Machado 2017-03-16 12:24:43 -03:00 committed by Adrien Crivelli
parent 8e8d0e4a30
commit 4b75f7d469
1 changed files with 4 additions and 4 deletions
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8
samples/45_Quadratic_equation_solver.php
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@ -1,7 +1,7 @@
<?php <?php
require __DIR__ . '/Header.php'; require __DIR__ . '/Header.php';
?> ?>
<form action="Quadratic2.php" method="POST"> <form action="45_Quadratic_equation_solver.php" method="POST">
Enter the coefficients for the Ax<sup>2</sup> + Bx + C = 0 Enter the coefficients for the Ax<sup>2</sup> + Bx + C = 0
<table border="0" cellpadding="0" cellspacing="0"> <table border="0" cellpadding="0" cellspacing="0">
<tr><td><b>A&nbsp;</b></td> <tr><td><b>A&nbsp;</b></td>
@ -28,13 +28,13 @@ if (isset($_POST['submit'])) {
echo '<hr /><b>Roots:</b><br />'; echo '<hr /><b>Roots:</b><br />';
$discriminantFormula = '=POWER(' . $_POST['B'] . ',2) - (4 * ' . $_POST['A'] . ' * ' . $_POST['C'] . ')'; $discriminantFormula = '=POWER(' . $_POST['B'] . ',2) - (4 * ' . $_POST['A'] . ' * ' . $_POST['C'] . ')';
$discriminant = PhpSpreadsheet_Calculation::getInstance()->calculateFormula($discriminantFormula); $discriminant = \PhpOffice\PhpSpreadsheet\Calculation::getInstance()->calculateFormula($discriminantFormula);
$r1Formula = '=IMDIV(IMSUM(-' . $_POST['B'] . ',IMSQRT(' . $discriminant . ')),2 * ' . $_POST['A'] . ')'; $r1Formula = '=IMDIV(IMSUM(-' . $_POST['B'] . ',IMSQRT(' . $discriminant . ')),2 * ' . $_POST['A'] . ')';
$r2Formula = '=IF(' . $discriminant . '=0,"Only one root",IMDIV(IMSUB(-' . $_POST['B'] . ',IMSQRT(' . $discriminant . ')),2 * ' . $_POST['A'] . '))'; $r2Formula = '=IF(' . $discriminant . '=0,"Only one root",IMDIV(IMSUB(-' . $_POST['B'] . ',IMSQRT(' . $discriminant . ')),2 * ' . $_POST['A'] . '))';
echo PhpSpreadsheet_Calculation::getInstance()->calculateFormula($r1Formula) . '<br />'; echo \PhpOffice\PhpSpreadsheet\Calculation::getInstance()->calculateFormula($r1Formula) . '<br />';
echo PhpSpreadsheet_Calculation::getInstance()->calculateFormula($r2Formula) . '<br />'; echo \PhpOffice\PhpSpreadsheet\Calculation::getInstance()->calculateFormula($r2Formula) . '<br />';
$callEndTime = microtime(true); $callEndTime = microtime(true);
$helper->logEndingNotes(); $helper->logEndingNotes();
} }