From d2225c8cdb5e3325a964610fcaa9268600dd7ce6 Mon Sep 17 00:00:00 2001
From: "Sebastian M. Ernst" <ernst@pleiszenburg.de>
Date: Mon, 15 Jan 2024 14:01:41 +0100
Subject: [PATCH] rm dead consts

---
 src/hapsira/core/math/ivp/_rk.py | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/src/hapsira/core/math/ivp/_rk.py b/src/hapsira/core/math/ivp/_rk.py
index 53819ea9e..c80c5a8a2 100644
--- a/src/hapsira/core/math/ivp/_rk.py
+++ b/src/hapsira/core/math/ivp/_rk.py
@@ -25,6 +25,7 @@
 N_RV = 6
 N_STAGES = 12
 N_STAGES_EXTENDED = 16
+ERROR_ESTIMATOR_ORDER = 7
 
 A = A[:N_STAGES, :N_STAGES]
 B = B
@@ -391,13 +392,9 @@ class DOP853:
 
     TOO_SMALL_STEP = "Required step size is less than spacing between numbers."
 
-    order: int = 8
-    error_estimator_order: int = 7
-    E: np.ndarray = NotImplemented
     E3 = dop853_coefficients.E3
     E5 = dop853_coefficients.E5
     D = dop853_coefficients.D
-    P: np.ndarray = NotImplemented
 
     A_EXTRA = dop853_coefficients.A[N_STAGES + 1 :]
     C_EXTRA = dop853_coefficients.C[N_STAGES + 1 :]
@@ -441,11 +438,11 @@ def __init__(
             self.argk,
             self.f,
             self.direction,
-            self.error_estimator_order,
+            ERROR_ESTIMATOR_ORDER,
             self.rtol,
             self.atol,
         )
-        self.error_exponent = -1 / (self.error_estimator_order + 1)
+        self.error_exponent = -1 / (ERROR_ESTIMATOR_ORDER + 1)
         self.h_previous = None
 
         self.K_extended = np.empty((N_STAGES_EXTENDED, N_RV), dtype=self.y.dtype)