Difference between revisions of "MC-Basic:ATAN2"
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| − | 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. |
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Revision as of 10:46, 18 March 2014
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