From 8ff8c1e5f834c75f697aa536f9cfde892a30535b Mon Sep 17 00:00:00 2001 From: Hugo Locurcio Date: Thu, 22 Jul 2021 08:36:14 +0200 Subject: Improve documentation for GDScript constants --- modules/gdscript/doc_classes/@GDScript.xml | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/modules/gdscript/doc_classes/@GDScript.xml b/modules/gdscript/doc_classes/@GDScript.xml index 839aa6b3c6..e68deb070d 100644 --- a/modules/gdscript/doc_classes/@GDScript.xml +++ b/modules/gdscript/doc_classes/@GDScript.xml @@ -241,16 +241,18 @@ - Constant that represents how many times the diameter of a circle fits around its perimeter. This is equivalent to [code]TAU / 2[/code]. + Constant that represents how many times the diameter of a circle fits around its perimeter. This is equivalent to [code]TAU / 2[/code], or 180 degrees in rotations. - The circle constant, the circumference of the unit circle in radians. + The circle constant, the circumference of the unit circle in radians. This is equivalent to [code]PI * 2[/code], or 360 degrees in rotations. - Positive infinity. For negative infinity, use -INF. + Positive floating-point infinity. This is the result of floating-point division when the divisor is [code]0.0[/code]. For negative infinity, use [code]-INF[/code]. Dividing by [code]-0.0[/code] will result in negative infinity if the numerator is positive, so dividing by [code]0.0[/code] is not the same as dividing by [code]-0.0[/code] (despite [code]0.0 == -0.0[/code] returning [code]true[/code]). + [b]Note:[/b] Numeric infinity is only a concept with floating-point numbers, and has no equivalent for integers. Dividing an integer number by [code]0[/code] will not result in [constant INF] and will result in a run-time error instead. - "Not a Number", an invalid value. [code]NaN[/code] has special properties, including that it is not equal to itself. It is output by some invalid operations, such as dividing zero by zero. + "Not a Number", an invalid floating-point value. [constant NAN] has special properties, including that it is not equal to itself ([code]NAN == NAN[/code] returns [code]false[/code]). It is output by some invalid operations, such as dividing floating-point [code]0.0[/code] by [code]0.0[/code]. + [b]Note:[/b] "Not a Number" is only a concept with floating-point numbers, and has no equivalent for integers. Dividing an integer [code]0[/code] by [code]0[/code] will not result in [constant NAN] and will result in a run-time error instead. -- cgit v1.2.3