Call constrain from map_range.

Add tests for out-of-range reversed order map_range.

Author: lesamouraipourpre

adafruit_simplemath.py

@@ -56,10 +56,7 @@ def map_range(
     """
 
     mapped = unconstrained_map_range(x, in_min, in_max, out_min, out_max)
-
-    if out_min <= out_max:
-        return max(min(mapped, out_max), out_min)
-    return min(max(mapped, out_max), out_min)
+    return constrain(mapped, out_min, out_max)
 
 
 def unconstrained_map_range(

tests/map_range_test.py

@@ -13,3 +13,6 @@ def test_map_range():
     assert map_range(1, 10, 0, 0, 5) == 4.5
     assert map_range(1, 0, 10, 10, 0) == 9.0
     assert map_range(10, 1, 10, 1, 20) == 20.0
+    # Tests for out-of-range descending output order
+    assert map_range(11, 1, 10, 20, 1) == 1.0
+    assert map_range(-1, 1, 10, 20, 1) == 20.0