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rounding [2019/04/20 03:13] – korshun | rounding [2019/08/26 21:02] (current) – korshun | ||
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- | ===== Rounding ===== | + | ====== Rounding====== |
+ | |||
+ | ===== Introduction | ||
ACSUtils provides a full set of functions to round fixed-point numbers to integers. | ACSUtils provides a full set of functions to round fixed-point numbers to integers. | ||
- | < | + | < |
Before using ACSUtils, rename either the built-in functions (by editing '' | Before using ACSUtils, rename either the built-in functions (by editing '' | ||
</ | </ | ||
- | ==== Rounding modes ==== | + | ===== Rounding modes ===== |
There are four rounding modes: | There are four rounding modes: | ||
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^ x ^ round(x) ^ floor(x) ^ ceil(x) ^ trunc(x) ^ | ^ x ^ round(x) ^ floor(x) ^ ceil(x) ^ trunc(x) ^ | ||
^ | ^ | ||
- | ^ | + | ^ |
^ | ^ | ||
^ -1.3| -1| -2| | ^ -1.3| -1| -2| | ||
- | ^ -1.5| -1| -2| | + | ^ -1.5| -2 or -1| -2| |
^ -1.8| -2| -2| | ^ -1.8| -2| -2| | ||
- | ==== Rounding functions in ACSUtils | + | ===== Functions ===== |
Every rounding mode is available as two functions: | Every rounding mode is available as two functions: | ||
* Functions without the '' | * Functions without the '' | ||
- | * Functions with the '' | + | * Functions with the '' |
^ Mode ^ fixed result ^ int result ^ | ^ Mode ^ fixed result ^ int result ^ | ||
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^ round | '' | ^ round | '' | ||
^ trunc | '' | ^ trunc | '' | ||
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