fnOrdMax function
OrdMax(values): the 1-based position of the maximum value in the argument list
Implementation
dynamic fnOrdMax(List<dynamic> values) {
if (values.isEmpty) return 0;
final nums = values.map(varToDouble).toList();
var idx = 0;
for (var i = 1; i < nums.length; i++) {
if (nums[i] > nums[idx]) idx = i;
}
return idx + 1;
}