Ksp reference Manual

3.4. ~ (real variable)
declare ~
Declare a user-defined variable to store a single real value
Variables
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KSP Reference Manual

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Remarks
• Real numbers should always be defined using a decimal, even if the number is a whole num-
ber. For example 2.0 should be used instead of only 2.
Examples
on init
declare ~test
~test := 0.5
end on
Creating a variable
on init
declare ~test := 0.5
end on
Creating a variable, the same as above but shorter
See Also
on init
make_persistent()
read_persistent_var()
int_to_real()
real_to_int()
3.5. ? (real array)
declare ?[]
Declare a user-defined array to store single real values at specific indices
Remarks
• The maximal size of arrays is 1000000.
• The number of elements must be defined with a constant integer value, a standard variable
cannot be used.
• It is possible to initialize an array with one value, see the second example below.
• The commands 
array_equal()
and 
search()
do not work with arrays of real numbers.
Examples
on init
declare ?presets[5*4] := (...
{1} 1.0, 1.0, 1.0, 1.0,...
{2} 0.5, 0.7, 0.1, 0.5,...
Variables
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KSP Reference Manual

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{3} 1.0, 0.6, 0.6, 0.2,...
{4} 0.0, 0.0, 0.5, 0.3,...
{5} 0.0, 1.0, 0.4, 0.1)
end on
Creating an array for storing preset data
on init
declare ?presets[10*8] := (1.0)
end on 
Quick way of initializing the same array with the value 1.0
See Also
Array and Group Commands
make_persistent()