tests/float: Make output of math function tests more readable.

By explicitly naming the function, its arguments, and result.

Signed-off-by: Damien George <damien@micropython.org>

tests/float/math_domain.py

@@ -30,12 +30,12 @@ for name, f, args in (
 ):
     for x in args + (inf, -inf, nan):
         try:
-            ans = f(x)
+            ans = "%.4f" % f(x)
-            print("%.4f" % ans)
         except ValueError:
-            print(name, "ValueError")
+            ans = "ValueError"
         except OverflowError:
-            print(name, "OverflowError")
+            ans = "OverflowError"
+        print("%s(%.4f) = %s" % (name, x, ans))
 
 # double argument functions
 for name, f, args in (
@@ -47,7 +47,7 @@ for name, f, args in (
 ):
     for x in args + ((0, inf), (inf, 0), (inf, inf), (inf, nan), (nan, inf), (nan, nan)):
         try:
-            ans = f(*x)
+            ans = "%.4f" % f(*x)
-            print("%.4f" % ans)
         except ValueError:
-            print(name, "ValueError")
+            ans = "ValueError"
+        print("%s(%.4f, %.4f) = %s" % (name, x[0], x[1], ans))

tests/float/math_domain_special.py

@@ -29,9 +29,9 @@ for name, f, args in (
 ):
     for x in args + (inf, -inf, nan):
         try:
-            ans = f(x)
+            ans = "%.4f" % f(x)
-            print("%.4f" % ans)
         except ValueError:
-            print(name, "ValueError")
+            ans = "ValueError"
         except OverflowError:
-            print(name, "OverflowError")
+            ans = "OverflowError"
+        print("%s(%.4f) = %s" % (name, x, ans))

tests/float/math_fun.py

@@ -38,12 +38,12 @@ functions = [
 ]
 
 for function_name, function, test_vals in functions:
-    print(function_name)
     for value in test_vals:
         try:
-            print("{:.5g}".format(function(value)))
+            ans = "{:.5g}".format(function(value))
         except ValueError as e:
-            print(str(e))
+            ans = str(e)
+        print("{}({:.5g}) = {}".format(function_name, value, ans))
 
 tuple_functions = [
     ("frexp", frexp, test_values),
@@ -51,10 +51,9 @@ tuple_functions = [
 ]
 
 for function_name, function, test_vals in tuple_functions:
-    print(function_name)
     for value in test_vals:
         x, y = function(value)
-        print("{:.5g} {:.5g}".format(x, y))
+        print("{}({:.5g}) = ({:.5g}, {:.5g})".format(function_name, value, x, y))
 
 binary_functions = [
     (
@@ -83,9 +82,9 @@ binary_functions = [
 ]
 
 for function_name, function, test_vals in binary_functions:
-    print(function_name)
     for value1, value2 in test_vals:
         try:
-            print("{:.5g}".format(function(value1, value2)))
+            ans = "{:.5g}".format(function(value1, value2))
         except (ValueError, ZeroDivisionError) as e:
-            print(type(e))
+            ans = type(e)
+        print("{}({:.5g}, {:.5g}) = {}".format(function_name, value1, value2, ans))

tests/float/math_fun_special.py

@@ -44,9 +44,9 @@ functions = [
 ]
 
 for function_name, function, test_vals in functions:
-    print(function_name)
     for value in test_vals:
         try:
-            print("{:.4g}".format(function(value)))
+            ans = "{:.4g}".format(function(value))
         except ValueError as e:
-            print(str(e))
+            ans = str(e)
+        print("{}({:.4g}) = {}".format(function_name, value, ans))