double values[] = {1.2345, 678.9};
CFArrayRef arr = NumberWrappedValuesArray(&values, 2, kCFNumberDoubleType);

CFArrayRef NumberWrappedValuesArray(void * valueArrayPtr, CFIndex count, CFNumberType numberType) {
CFMutableArrayRef array = CFArrayCreateMutable(NULL, count, &kCFTypeArrayCallBacks);

for (int i = 0; i < count; i++) {
    CFNumberRef numberWrappedValue = CFNumberCreate(NULL, numberType, &valueArrayPtr[i]);
    CFArrayAppendValue(array, numberWrappedValue);
    CFRelease(numberWrappedValue);
}

CFRelease(array);
return array;