micropython: add micropython component

components/language/micropython/tests/float/math_fun_special.py

@@ -0,0 +1,52 @@
+# test the special functions imported from math
+
+try:
+    from math import *
+
+    erf
+except (ImportError, NameError):
+    print("SKIP")
+    raise SystemExit
+
+test_values = [
+    -8.0,
+    -2.5,
+    -1,
+    -0.5,
+    0.0,
+    0.5,
+    2.5,
+    8.0,
+]
+pos_test_values = [
+    0.001,
+    0.1,
+    0.5,
+    1.0,
+    1.5,
+    10.0,
+]
+
+functions = [
+    ("expm1", expm1, test_values),
+    ("log2", log2, test_values),
+    ("log10", log10, test_values),
+    ("cosh", cosh, test_values),
+    ("sinh", sinh, test_values),
+    ("tanh", tanh, [-1e6, -100] + test_values + [100, 1e6]),
+    ("acosh", acosh, [1.0, 5.0, 1.0]),
+    ("asinh", asinh, test_values),
+    ("atanh", atanh, [-0.99, -0.5, 0.0, 0.5, 0.99]),
+    ("erf", erf, test_values),
+    ("erfc", erfc, test_values),
+    ("gamma", gamma, pos_test_values),
+    ("lgamma", lgamma, pos_test_values + [50.0, 100.0]),
+]
+
+for function_name, function, test_vals in functions:
+    print(function_name)
+    for value in test_vals:
+        try:
+            print("{:.4g}".format(function(value)))
+        except ValueError as e:
+            print(str(e))