1 files changed, 108 insertions, 0 deletions
diff --git a/vendor/thecodingmachine/safe/deprecated/stats.php b/vendor/thecodingmachine/safe/deprecated/stats.php
new file mode 100644
index 000000000..aca984859
--- /dev/null
+++ b/vendor/thecodingmachine/safe/deprecated/stats.php
@@ -0,0 +1,108 @@
+<?php
+
+namespace Safe;
+
+use Safe\Exceptions\StatsException;
+
+/**
+ * Returns the covariance of a and b.
+ *
+ * @param array $a The first array
+ * @param array $b The second array
+ * @return float Returns the covariance of a and b.
+ * @throws StatsException
+ *
+ */
+function stats_covariance(array $a, array $b): float
+{
+    error_clear_last();
+    $result = \stats_covariance($a, $b);
+    if ($result === false) {
+        throw StatsException::createFromPhpError();
+    }
+    return $result;
+}
+
+
+/**
+ * Returns the standard deviation of the values in a.
+ *
+ * @param array $a The array of data to find the standard deviation for. Note that all
+ * values of the array will be cast to float.
+ * @param bool $sample Indicates if a represents a sample of the
+ * population; defaults to FALSE.
+ * @return float Returns the standard deviation on success; FALSE on failure.
+ * @throws StatsException
+ *
+ */
+function stats_standard_deviation(array $a, bool $sample = false): float
+{
+    error_clear_last();
+    $result = \stats_standard_deviation($a, $sample);
+    if ($result === false) {
+        throw StatsException::createFromPhpError();
+    }
+    return $result;
+}
+
+
+/**
+ * Returns the Pearson correlation coefficient between arr1 and arr2.
+ *
+ * @param array $arr1 The first array
+ * @param array $arr2 The second array
+ * @return float Returns the Pearson correlation coefficient between arr1 and arr2.
+ * @throws StatsException
+ *
+ */
+function stats_stat_correlation(array $arr1, array $arr2): float
+{
+    error_clear_last();
+    $result = \stats_stat_correlation($arr1, $arr2);
+    if ($result === false) {
+        throw StatsException::createFromPhpError();
+    }
+    return $result;
+}
+
+
+/**
+ * Returns the inner product of arr1 and arr2.
+ *
+ * @param array $arr1 The first array
+ * @param array $arr2 The second array
+ * @return float Returns the inner product of arr1 and arr2.
+ * @throws StatsException
+ *
+ */
+function stats_stat_innerproduct(array $arr1, array $arr2): float
+{
+    error_clear_last();
+    $result = \stats_stat_innerproduct($arr1, $arr2);
+    if ($result === false) {
+        throw StatsException::createFromPhpError();
+    }
+    return $result;
+}
+
+
+/**
+ * Returns the variance of the values in a.
+ *
+ * @param array $a The array of data to find the standard deviation for. Note that all
+ * values of the array will be cast to float.
+ * @param bool $sample Indicates if a represents a sample of the
+ * population; defaults to FALSE.
+ * @return float Returns the variance on success; FALSE on failure.
+ * @throws StatsException
+ *
+ */
+function stats_variance(array $a, bool $sample = false): float
+{
+    error_clear_last();
+    $result = \stats_variance($a, $sample);
+    if ($result === false) {
+        throw StatsException::createFromPhpError();
+    }
+    return $result;
+}