Adding patterntools to slsdet (#1142)

* added patterntools from mythen3tools
* refactored do use implementation from slsSupportLib

python/tests/test_bits.py

@@ -0,0 +1,50 @@
+from slsdet.bits import clearbit, clearbit_arr, setbit, setbit_arr
+import numpy as np
+
+
+def test_clearbit_on_python_int():
+    val = 5  # 0b101
+    r = clearbit(0, val)
+    assert r == 4
+    assert val == 5
+
+def test_setbit_on_python_int():
+    val = 5  # 0b101
+    r = setbit(1, val)
+    assert r == 7
+    assert val == 5
+
+
+def test_setbit_doesnt_change_type():
+    word = np.int32(5)
+    ret = setbit(0, word)
+    assert isinstance(ret, np.int32)
+
+
+def test_clearbit_doesnt_change_type():
+    word = np.uint8(5)
+    ret = clearbit(0, word)
+    assert isinstance(ret, np.uint8)
+
+
+
+def test_setbit_on_array_element():
+    arr = np.zeros(10, dtype=np.uint64)
+    arr[5] = setbit(0, arr[5])
+    arr[5] = setbit(1, arr[5])
+    arr[5] = setbit(4, arr[5])
+    assert arr[4] == 0
+    assert arr[5] == 19  # 0b10011
+    assert arr[6] == 0
+
+
+def test_setbit_arr():
+    arr = np.zeros(10, dtype=np.int32)
+    setbit_arr(3, arr[3:9])
+    assert all(arr == np.array((0, 0, 0, 8, 8, 8, 8, 8, 8, 0), dtype=np.int32))
+
+
+def test_clearbit_arr():
+    arr = np.array((5, 5, 5), dtype=np.int8)
+    clearbit_arr(0, arr)
+    assert all(arr == (4, 4, 4))