Fix length-zero-no-unit false positives on new math functions (#6871)

---------

Co-authored-by: Masafumi Koba <473530+ybiquitous@users.noreply.github.com>

.changeset/calm-rivers-wink.md

@@ -0,0 +1,5 @@
+---
+"stylelint": patch
+---
+
+Fixed: `length-zero-no-unit` false positives on new math functions

lib/reference/functions.js

@@ -14,7 +14,29 @@ const camelCaseFunctions = new Set([
 	'skewY',
 ]);
 
-const mathFunctions = new Set(['calc', 'clamp', 'max', 'min']);
+const mathFunctions = new Set([
+	'abs',
+	'acos',
+	'asin',
+	'atan',
+	'atan2',
+	'calc',
+	'clamp',
+	'cos',
+	'exp',
+	'hypot',
+	'log',
+	'max',
+	'min',
+	'mod',
+	'pow',
+	'rem',
+	'round',
+	'sign',
+	'sin',
+	'sqrt',
+	'tan',
+]);
 
 module.exports = {
 	camelCaseFunctions,

lib/rules/length-zero-no-unit/__tests__/index.js

@@ -28,6 +28,10 @@ testRule({
 			code: 'a { padding: calc(1in + 0in * 2)) 0 calc(0px) 0 }',
 			description: 'ignore calc. several `calc`s',
 		},
+		{
+			code: 'a { padding: abs(0px) acos(0px) asin(0px) atan(0px) atan2(0px) calc(0px) clamp(0px) cos(0px) exp(0px) hypot(0px) log(0px) max(0px) min(0px) mod(0px) pow(0px) rem(0px) round(0px) sign(0px) sin(0px) sqrt(0px) tan(0px) }',
+			description: 'ignore new math functions.',
+		},
 		{
 			code: 'padding: calc(var(--foo, 0px) + 10px) 0',
 			description: 'ignore calc, and inner functions',