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-rw-r--r--vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/JAMA/utils/Maths.php31
1 files changed, 31 insertions, 0 deletions
diff --git a/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/JAMA/utils/Maths.php b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/JAMA/utils/Maths.php
new file mode 100644
index 0000000..8e7c92b
--- /dev/null
+++ b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/JAMA/utils/Maths.php
@@ -0,0 +1,31 @@
+<?php
+
+/**
+ * Pythagorean Theorem:.
+ *
+ * a = 3
+ * b = 4
+ * r = sqrt(square(a) + square(b))
+ * r = 5
+ *
+ * r = sqrt(a^2 + b^2) without under/overflow.
+ *
+ * @param mixed $a
+ * @param mixed $b
+ *
+ * @return float
+ */
+function hypo($a, $b)
+{
+ if (abs($a) > abs($b)) {
+ $r = $b / $a;
+ $r = abs($a) * sqrt(1 + $r * $r);
+ } elseif ($b != 0) {
+ $r = $a / $b;
+ $r = abs($b) * sqrt(1 + $r * $r);
+ } else {
+ $r = 0.0;
+ }
+
+ return $r;
+}