str2doubleHedged.m
d1f7bad038d7TekRSA-Freq-vs-Time

str2doubleHedged.m
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			function [val, format] = str2doubleHedged(str)

			% Span over multiple inputs given as cell
			if iscell(str)
			val = cellfun(@str2doubleHedged, str, 'UniformOutput', false);
			return
			end

			conv_str = str2double(str);

			if ~isnan(conv_str)
			val = conv_str;

			% Determine the printed format type - float or integer and
			% fixed point or exponential
			is_float = contains(str, '.');
			is_exp = contains(str, {'e', 'E'});

			% Determine the precision: separate mantissa and exponent and count
			% the digits of mantissa
			num_str = regexp(strtrim(str), 'e\|E', 'split');
			prec = length(regexp(num_str{1}, '\d'))-1;

			if prec >= 16
			warning(['Standard double type precision limit is reached ' ...
			'while converting the string ''%s''. ' ...
			'The converted numeric value may have lower precision ' ...
			'compare to that of the original string.'], str)
			end

			if is_float
			if is_exp
			format = sprintf('%%.%ie', prec);
			else
			format = sprintf('%%.%if', prec);
			end
			else
			format = '%i';
			end
			else
			val = str;
			format = '%s';
			end
			end