Added clarifying parenthesis

Author: jb-lopez

source/TALib/Core/OverlapStudies.php

@@ -677,7 +677,7 @@ public static function kama(int $startIdx, int $endIdx, array $inReal, int $optI
         $tempReal2 = $inReal[$trailingIdx++];
         $periodROC = $tempReal - $tempReal2;
         $trailingValue = $tempReal2;
-        if ($sumROC1 <= $periodROC || -0.00000001 < $sumROC1 && $sumROC1 < 0.00000001) {
+        if ($sumROC1 <= $periodROC || (-0.00000001 < $sumROC1 && $sumROC1 < 0.00000001)) {
             $tempReal = 1.0;
         } else {
             $tempReal = abs($periodROC / $sumROC1);
@@ -692,7 +692,7 @@ public static function kama(int $startIdx, int $endIdx, array $inReal, int $optI
             $sumROC1 -= abs($trailingValue - $tempReal2);
             $sumROC1 += abs($tempReal - $inReal[$today - 1]);
             $trailingValue = $tempReal2;
-            if ($sumROC1 <= $periodROC || -0.00000001 < $sumROC1 && $sumROC1 < 0.00000001) {
+            if ($sumROC1 <= $periodROC || (-0.00000001 < $sumROC1 && $sumROC1 < 0.00000001)) {
                 $tempReal = 1.0;
             } else {
                 $tempReal = abs($periodROC / $sumROC1);
@@ -711,7 +711,7 @@ public static function kama(int $startIdx, int $endIdx, array $inReal, int $optI
             $sumROC1 -= abs($trailingValue - $tempReal2);
             $sumROC1 += abs($tempReal - $inReal[$today - 1]);
             $trailingValue = $tempReal2;
-            if ($sumROC1 <= $periodROC || -0.00000001 < $sumROC1 && $sumROC1 < 0.00000001) {
+            if ($sumROC1 <= $periodROC || (-0.00000001 < $sumROC1 && $sumROC1 < 0.00000001)) {
                 $tempReal = 1.0;
             } else {
                 $tempReal = abs($periodROC / $sumROC1);