Mega Code Archive
Sum - return the sum of an array of floating point values math unit
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function Sum ( const Numbers : array of Double ) : Double;
Description
The Sum function returns the sum of the values in the supplied Numbers array of double values.
Related commands
Dec Decrement an ordinal variable
Inc Increment an ordinal variable
Sqr Gives the square of a number
Sqrt Gives the square root of a number
Example code : Examples of summing arrays and hard coded values
var
doubles : array[0..5] of double;
begin
// Fill up the number array
doubles[0] := 25.0;
doubles[1] := 100.5;
doubles[2] := -4.125;
doubles[3] := 75.0;
doubles[4] := -62.0;
doubles[5] := 0.0;
ShowMessage('Sum of array values = '+FloatToStr(Sum(doubles)));
ShowMessage('12.3 + 45.6 = '+FloatToStr(Sum([12.3, 45.6])));
end;
Show full unit code
Sum of array values = 134.375
12.3 + 45.6 = 57.9
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