V4: Fix exponentiation operator

We need to use the same algorithm as for Math.pow(...). Since we have
jsExponentiate() now, we can use it in all those places. The strange AIX
special case is definitely not useful anymore.

Task-number: QTBUG-105188
Change-Id: I43a251c71f1b547ad36855ac197080bfea8c94e3
Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>

1 files changed, 1 insertions, 43 deletions

diff --git a/src/qml/jsruntime/qv4mathobject.cpp b/src/qml/jsruntime/qv4mathobject.cpp
index 34a96a2141..418e29ffcb 100644
--- a/src/qml/jsruntime/qv4mathobject.cpp
+++ b/src/qml/jsruntime/qv4mathobject.cpp
@@ -342,49 +342,7 @@ ReturnedValue MathObject::method_pow(const FunctionObject *, const Value *, cons
     double x = argc > 0 ? argv[0].toNumber() : qt_qnan();
     double y = argc > 1 ? argv[1].toNumber() : qt_qnan();
 
-    if (std::isnan(y))
-        RETURN_RESULT(Encode(qt_qnan()));
-
-    if (y == 0) {
-        RETURN_RESULT(Encode(1));
-    } else if (((x == 1) || (x == -1)) && std::isinf(y)) {
-        RETURN_RESULT(Encode(qt_qnan()));
-    } else if (((x == 0) && copySign(1.0, x) == 1.0) && (y < 0)) {
-        RETURN_RESULT(Encode(qInf()));
-    } else if ((x == 0) && copySign(1.0, x) == -1.0) {
-        if (y < 0) {
-            if (std::fmod(-y, 2.0) == 1.0)
-                RETURN_RESULT(Encode(-qt_inf()));
-            else
-                RETURN_RESULT(Encode(qt_inf()));
-        } else if (y > 0) {
-            if (std::fmod(y, 2.0) == 1.0)
-                RETURN_RESULT(Encode(copySign(0, -1.0)));
-            else
-                RETURN_RESULT(Encode(0));
-        }
-    }
-
-#ifdef Q_OS_AIX
-    else if (qt_is_inf(x) && copySign(1.0, x) == -1.0) {
-        if (y > 0) {
-            if (std::fmod(y, 2.0) == 1.0)
-                RETURN_RESULT(Encode(-qt_inf()));
-            else
-                RETURN_RESULT(Encode(qt_inf()));
-        } else if (y < 0) {
-            if (std::fmod(-y, 2.0) == 1.0)
-                RETURN_RESULT(Encode(copySign(0, -1.0)));
-            else
-                RETURN_RESULT(Encode(0));
-        }
-    }
-#endif
-    else {
-        RETURN_RESULT(Encode(std::pow(x, y)));
-    }
-    // ###
-    RETURN_RESULT(Encode(qt_qnan()));
+    RETURN_RESULT(Encode(QQmlPrivate::jsExponentiate(x, y)));
 }
 
 ReturnedValue MathObject::method_random(const FunctionObject *, const Value *, const Value *, int)