Difference between revisions of "MC-Basic:ATAN2"
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| + | {{Languages|MC-Basic:ATAN2}} | ||
{{MC-Basic | {{MC-Basic | ||
|SHORT FORM= | |SHORT FORM= | ||
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|DESCRIPTION= | |DESCRIPTION= | ||
| − | ATAN2 is used when it is necessary to know | + | ATAN2 is used when it is necessary to know both the absolute value of the angle and the quadrant. The first expression is the value on the y axis and the second is the value on the x axis. The result gives the real angle in the range ±π radians. |
|TYPE= | |TYPE= | ||
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|LIMITATIONS= | |LIMITATIONS= | ||
| − | Read | + | Read only |
|EXAMPLE= | |EXAMPLE= | ||
?Atan2(1, -1) | ?Atan2(1, -1) | ||
| − | :returns 0.75×π<br> | + | ::returns 0.75×π<br> |
| − | + | ||
?Atan2(-1, 1) | ?Atan2(-1, 1) | ||
| − | :returns -0.25×π | + | ::returns -0.25×π |
| − | + | ||
|SEE ALSO= | |SEE ALSO= | ||
| − | * [[ | + | * [[MC-Basic:ATN|ATN]] |
| − | * [[ | + | * [[MC-Basic:TAN|TAN]] |
| − | [[Category | + | [[Category:MC-Basic:Arithmetic Functions|ATAN2]] |
}} | }} | ||
Latest revision as of 05:32, 17 April 2017
| Language: | English • 中文（简体） |
|---|
ATAN2 is used when it is necessary to know both the absolute value of the angle and the quadrant. The first expression is the value on the y axis and the second is the value on the x axis. The result gives the real angle in the range ±π radians.
Syntax
Atan2(<expression>, <expression>)
Availability
All versions
Type
Double
Range
± MaxDouble
Scope
Configuration, Task or Terminal
Limitations
Read only
Examples
?Atan2(1, -1)
- returns 0.75×π
- returns 0.75×π
?Atan2(-1, 1)
- returns -0.25×π