set complement test

Author: amogorkon

Showcase.ipynb

@@ -134,23 +134,61 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 3,
+   "execution_count": 28,
    "metadata": {
     "collapsed": false
    },
-   "outputs": [],
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "<function all>"
+      ]
+     },
+     "execution_count": 28,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
    "source": [
     "%matplotlib inline\n",
     "\n",
     "from fuzzy.classes import Domain, Set, Rule\n",
     "from fuzzy.functions import alpha, triangular, gauss, R, S\n",
+    "import fuzzy.functions as fun\n",
     "from fuzzy.hedges import plus, minus, very\n",
     "\n",
     "IN = Domain(\"numbers in\", 0, 10, res=0.1)\n",
     "IN.close_5 = Set(triangular(2, 10, c=5))\n",
-    "OUT = Domain(\"numbers out\", 100, 200)"
+    "OUT = Domain(\"numbers out\", 100, 200)\n",
+    "\n",
+    "D = Domain(\"d\", 0, 10, res=0.1)\n",
+    "D.s1 = Set(fun.bounded_linear(3, 12))\n",
+    "D.s2 = ~~D.s1\n",
+    "all(isclose(D.s1.array(), D.s2.array()))"
    ]
   },
+  {
+   "cell_type": "code",
+   "execution_count": 8,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [
+    {
+     "ename": "NameError",
+     "evalue": "name 'fun' is not defined",
+     "output_type": "error",
+     "traceback": [
+      "\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
+      "\u001b[0;31mNameError\u001b[0m                                 Traceback (most recent call last)",
+      "\u001b[0;32m<ipython-input-8-cd1aace75fdc>\u001b[0m in \u001b[0;36m<module>\u001b[0;34m()\u001b[0m\n\u001b[1;32m      1\u001b[0m \u001b[0mD\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mDomain\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m\"d\"\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0;36m0\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0;36m10\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mres\u001b[0m\u001b[0;34m=\u001b[0m\u001b[0;36m0.1\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m----> 2\u001b[0;31m \u001b[0mD\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0ms1\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mSet\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mfun\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mbounded_linear\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;36m3\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0;36m12\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m      3\u001b[0m \u001b[0mD\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0ms2\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0;34m~\u001b[0m\u001b[0;34m~\u001b[0m\u001b[0mD\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0ms1\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
+      "\u001b[0;31mNameError\u001b[0m: name 'fun' is not defined"
+     ]
+    }
+   ],
+   "source": []
+  },
   {
    "cell_type": "code",
    "execution_count": 4,

test_fuzzy_units.py

@@ -2,6 +2,7 @@
 from hypothesis import given, strategies as st, assume
 from math import isclose
 from unittest import TestCase, skip
+import numpy as np
 
 from fuzzy.classes import Domain, Set, Rule
 from fuzzy import functions as fun
@@ -313,4 +314,10 @@ def test_sub_super_set(self):
         D.s = Set(fun.bounded_linear(3, 12))
         x = D.s.normalized()
         assert (x >= D.s)
-        assert (D.s <= x)
+        assert (D.s <= x)
+        
+    def test_complement(self):
+        D = Domain("d", 0, 10, res=0.1)
+        D.s1 = Set(fun.bounded_linear(3, 12))
+        D.s2 = ~~D.s1
+        assert all(np.isclose(D.s1.array(), D.s2.array()))