Fix/handle exception at constrain interval (#93)

open-spaced-repetition · Nov 14, 2022 · 956d1b7 · 956d1b7
1 parent f01cfe1
commit 956d1b7
Showing 1 changed file with 7 additions and 4 deletions.
diff --git a/fsrs4anki_simulator.ipynb b/fsrs4anki_simulator.ipynb
@@ -6,7 +6,7 @@
         "id": "jmXx-hS9ZMVj"
       },
       "source": [
-        "# FSRS4Anki v3.8.0 Simulator"
+        "# FSRS4Anki v3.8.3 Simulator"
       ]
     },
     {
@@ -15,7 +15,7 @@
         "id": "lurCmW0Jqz3s"
       },
       "source": [
-        "[![open in colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/open-spaced-repetition/fsrs4anki/blob/v3.8.0/fsrs4anki_simulator.ipynb)\n",
+        "[![open in colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/open-spaced-repetition/fsrs4anki/blob/v3.8.3/fsrs4anki_simulator.ipynb)\n",
         "\n",
         "↑ Click the above button to open the simulator on Google Colab.\n",
         "\n",
@@ -370,7 +370,10 @@
         "\n",
         "def fsrs4anki_scheduler(last_stability, stability, rating):\n",
         "    def constrain_interval(stability):\n",
-        "        return min(max(1, round(stability * np.log(requestRetention) / np.log(0.9))), maximumInterval)\n",
+        "        if stability > 0:\n",
+        "            return min(max(1, round(stability * np.log(requestRetention) / np.log(0.9))), maximumInterval)\n",
+        "        else:\n",
+        "            return 1\n",
         "    if last_stability is None:\n",
         "        return constrain_interval(stability)\n",
         "    again_interval = constrain_interval(stability)\n",
@@ -643,7 +646,7 @@
       "name": "python",
       "nbconvert_exporter": "python",
       "pygments_lexer": "ipython3",
-      "version": "3.8.13"
+      "version": "3.8.13 | packaged by conda-forge | (default, Mar 25 2022, 06:05:16) \n[Clang 12.0.1 ]"
     },
     "vscode": {
       "interpreter": {