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Programming-Idioms

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  • Lua

Idiom #80 Truncate floating point number to integer

Declare integer y and initialize it with the value of floating point number x . Ignore non-integer digits of x .
Make sure to truncate towards zero: a negative x must yield the closest greater integer (not lesser).

y = math.modf(x)
Y : constant Integer := Integer (Float'Truncation (X));

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