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Add more info on the nature of NAN

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Ninni Pipping
2023-04-03 11:38:09 +02:00
parent 3119255c0b
commit 5e3c625e24
9 changed files with 49 additions and 1 deletions
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6
doc/classes/float.xml
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@ -54,6 +54,7 @@
<param index="0" name="right" type="float" />
<description>
Returns [code]true[/code] if two floats are different from each other.
[b]Note:[/b] [constant @GDScript.NAN] doesn't behave the same as other numbers. Therefore, the results from this operator may not be accurate if NaNs are included.
</description>
</operator>
<operator name="operator !=">
@ -215,6 +216,7 @@
<param index="0" name="right" type="float" />
<description>
Returns [code]true[/code] if the left float is less than the right one.
[b]Note:[/b] [constant @GDScript.NAN] doesn't behave the same as other numbers. Therefore, the results from this operator may not be accurate if NaNs are included.
</description>
</operator>
<operator name="operator &lt;">
@ -229,6 +231,7 @@
<param index="0" name="right" type="float" />
<description>
Returns [code]true[/code] if the left float is less than or equal to the right one.
[b]Note:[/b] [constant @GDScript.NAN] doesn't behave the same as other numbers. Therefore, the results from this operator may not be accurate if NaNs are included.
</description>
</operator>
<operator name="operator &lt;=">
@ -244,6 +247,7 @@
<description>
Returns [code]true[/code] if both floats are exactly equal.
[b]Note:[/b] Due to floating-point precision errors, consider using [method @GlobalScope.is_equal_approx] or [method @GlobalScope.is_zero_approx] instead, which are more reliable.
[b]Note:[/b] [constant @GDScript.NAN] doesn't behave the same as other numbers. Therefore, the results from this operator may not be accurate if NaNs are included.
</description>
</operator>
<operator name="operator ==">
@ -258,6 +262,7 @@
<param index="0" name="right" type="float" />
<description>
Returns [code]true[/code] if the left float is greater than the right one.
[b]Note:[/b] [constant @GDScript.NAN] doesn't behave the same as other numbers. Therefore, the results from this operator may not be accurate if NaNs are included.
</description>
</operator>
<operator name="operator &gt;">
@ -272,6 +277,7 @@
<param index="0" name="right" type="float" />
<description>
Returns [code]true[/code] if the left float is greater than or equal to the right one.
[b]Note:[/b] [constant @GDScript.NAN] doesn't behave the same as other numbers. Therefore, the results from this operator may not be accurate if NaNs are included.
</description>
</operator>
<operator name="operator &gt;=">