Module:Math: Difference between revisions
Adds fraction trapping as an option
m>Dragons flight m (Protected Module:Math: Going to be used in high profile templates ([Edit=Block all non-admin users] (indefinite) [Move=Block all non-admin users] (indefinite))) |
m>Dragons flight (Adds fraction trapping as an option) |
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| Line 64: | Line 64: | ||
function z.precision( frame ) | function z.precision( frame ) | ||
local input_string = (frame.args[1] or frame.args.x or '0'); | local input_string = (frame.args[1] or frame.args.x or '0'); | ||
local trap_fraction = frame.args.check_fraction or false; | |||
local input_number; | local input_number; | ||
if type( trap_fraction ) == 'string' then | |||
trap_fraction = trap_fraction:lower(); | |||
if trap_fraction == 'false' or trap_fraction == '0' or | |||
trap_fraction == 'no' or trap_fraction == '' then | |||
trap_fraction = false; | |||
else | |||
trap_fraction = true; | |||
end | |||
end | |||
if trap_fraction then | |||
local pos = string.find( input_string, '/', 1, true ); | |||
if pos ~= nil then | |||
if string.find( input_string, '/', pos + 1, true ) == nil then | |||
local denominator = string.sub( input_string, pos+1, -1 ); | |||
local denom_value = tonumber( denominator ); | |||
if denom_value ~= nil then | |||
return math.log10(denom_value); | |||
end | |||
end | |||
end | |||
end | |||
input_number, input_string = z._cleanNumber( frame, input_string ); | input_number, input_string = z._cleanNumber( frame, input_string ); | ||