chore: import upstream snapshot with attribution

2026-07-13 12:22:17 +08:00
commit 4d7ba00a23
95 changed files with 6907 additions and 0 deletions
@@ -0,0 +1,12 @@
+from decimal import Decimal, getcontext
+getcontext().prec=60
+summation = 0
+for k in range(50):
+	summation = summation + 1/Decimal(16)**k * (
+		Decimal(4)/(8*k+1)
+		- Decimal(2)/(8*k+4)
+		- Decimal(1)/(8*k+5)
+		- Decimal(1)/(8*k+6)
+		)
+	print(summation)
+