Examples with Klass com.oracle.truffle.espresso.impl.Klass used on opensource projects

Example 71 with Klass

use of com.oracle.truffle.espresso.impl.Klass in project graal by oracle.

the class EspressoInterop method fitsInFloat.

@ExportMessage
static boolean fitsInFloat(StaticObject receiver) {
    receiver.checkNotForeign();
    if (isNull(receiver)) {
        return false;
    }
    Klass klass = receiver.getKlass();
    if (isAtMostFloat(klass)) {
        return true;
    }
    Meta meta = klass.getMeta();
    /*
         * We might lose precision when we convert an int or a long to a float, however, we still
         * perform the conversion. This is consistent with Truffle interop, see GR-22718 for more
         * details.
         */
    if (klass == meta.java_lang_Integer) {
        int content = meta.java_lang_Integer_value.getInt(receiver);
        float floatContent = content;
        return (int) floatContent == content;
    }
    if (klass == meta.java_lang_Long) {
        long content = meta.java_lang_Long_value.getLong(receiver);
        float floatContent = content;
        return (long) floatContent == content;
    }
    if (klass == meta.java_lang_Double) {
        double content = meta.java_lang_Double_value.getDouble(receiver);
        return !Double.isFinite(content) || (float) content == content;
    }
    return false;
}