Floats everywhere

rhettinger · rhettinger · commit f05eddbda6c1 · 2024-04-19T01:43:10.000-05:00
diff --git a/Lib/statistics.py b/Lib/statistics.py
@@ -1723,8 +1723,8 @@ def f_inv(y):
     return f_inv
 
 def _quartic_invcdf_estimate(p):
-    sign, p = (1, p) if p <= 1/2 else (-1, 1 - p)
-    x = (2 * p) ** 0.4258865685331 - 1  # (204/479)
+    sign, p = (1.0, p) if p <= 1/2 else (-1.0, 1.0 - p)
+    x = (2.0 * p) ** 0.4258865685331 - 1.0
     if p >= 0.004:
         x += 0.026818732 * sin(7.101753784 * p + 2.732305658)
     return x * sign
@@ -1735,8 +1735,8 @@ def _quartic_invcdf_estimate(p):
     f_prime = lambda t: 15/16 * (1.0 - t * t) ** 2)
 
 def _triweight_invcdf_estimate(p):
-    sign, p = (1, p) if p <= 1/2 else (-1, 1 - p)
-    x = (2 * p) ** 0.3400218741872791 - 1  # (17/50)
+    sign, p = (1.0, p) if p <= 1/2 else (-1.0, 1.0 - p)
+    x = (2.0 * p) ** 0.3400218741872791 - 1.0
     return x * sign
 
 _triweight_invcdf = _newton_raphson(
