fix sqrt math

spec/.gitignore

@@ -0,0 +1 @@
+GLSLangSpec.4.60.html

spec/gen_spec.py

@@ -116,7 +116,8 @@ def expand_math(node):
         return res
 
     if node.name == 'msqrt':
-        return f'sqrt({expand_math(node.contents[0])})'
+        inner = ' '.join([expand_math(c) for c in math_children(node)])
+        return f'sqrt({inner})'
 
     raise Exception(f'unknown math node {node.name}: {node}')
 

spec/justfile

@@ -5,3 +5,5 @@ generate-spec:
 watch:
     watchexec -e py -c -- just generate-spec
 
+download-html-spec:
+    wget https://registry.khronos.org/OpenGL/specs/gl/GLSLangSpec.4.60.html

spec/spec.json

@@ -13426,7 +13426,7 @@
                 }
             ],
             "description": [
-                "`length` returns the length of the vector. i.e., ` sqrt() `"
+                "`length` returns the length of the vector. i.e., ` sqrt( x [ 0 ] **2 + x [ 1 ] **2 + …) `"
             ],
             "versions": [
                 110,
@@ -13453,7 +13453,7 @@
                 }
             ],
             "description": [
-                "`length` returns the length of the vector. i.e., ` sqrt() `"
+                "`length` returns the length of the vector. i.e., ` sqrt( x [ 0 ] **2 + x [ 1 ] **2 + …) `"
             ],
             "versions": [
                 400,