fixup: rework the script a bit

Author: illwieckz

tools/math-constant/math-constant.py

@@ -8,6 +8,7 @@
 script_path = os.path.relpath(script_realpath, root_dir)
 file_path = "src/common/math/Constant.h"
 file_realpath = os.path.join(root_dir, file_path)
+file_handle = open(file_realpath, "w")
 
 header = "// Generated with {}\n".format(script_path)
 header += "// Do not modify!"
@@ -264,6 +265,16 @@ class _long_double:
 
 # types.append(_long_double)
 
+def beautify(v):
+	value = str(v);
+	if value.startswith("0."):
+		value = value[1:]
+	return value
+
+def output(string=""):
+	print(string)
+	print(string, file=file_handle)
+
 keyword = "constexpr"
 value = "0"
 
@@ -281,12 +292,6 @@ class _long_double:
 operation_pad = len(operation_head)
 gnu_pad = len(gnu_head)
 
-file_handle = open(file_realpath, "w")
-
-def output(string=""):
-	print(string)
-	print(string, file=file_handle)
-
 output(header)
 output()
 output("#ifndef {}".format(header_id))
@@ -330,9 +335,7 @@ def output(string=""):
 		else:
 			std = ""
 
-		value = str(c.compute()) + t.suffix
-		if value.startswith("0."):
-			value = value[1:]
+		value = beautify(c.compute()) + t.suffix
 
 		l = len(value)
 		if l > value_pad:
@@ -358,9 +361,7 @@ def output(string=""):
 		else:
 			std = ""
 
-		value = str(c.compute()) + t.suffix
-		if value.startswith("0."):
-			value = value[1:]
+		value = beautify(c.compute()) + t.suffix
 
 		fields = keyword, t.name, name, "=", value, ";", "//", c.operation, gnu, std
 		output(string.format(*fields).rstrip())