From b1fa907d563b9efb77edc6a83056320a14408966 Mon Sep 17 00:00:00 2001
From: Damien George <damien.p.george@gmail.com>
Date: Fri, 8 Jan 2016 14:27:21 +0000
Subject: [PATCH] tests: Allow float tests to run when MATH_SPECIAL_FUNCTIONS
 is disabled.

---
 tests/float/cmath_fun.py         |  1 -
 tests/float/cmath_fun_special.py | 32 ++++++++++++++++++++++++++++++++
 tests/float/math_fun.py          |  9 ---------
 tests/float/math_fun_special.py  | 14 +++++++++++++-
 4 files changed, 45 insertions(+), 11 deletions(-)
 create mode 100644 tests/float/cmath_fun_special.py

diff --git a/tests/float/cmath_fun.py b/tests/float/cmath_fun.py
index dfb6c56bd2..3ebcf59186 100644
--- a/tests/float/cmath_fun.py
+++ b/tests/float/cmath_fun.py
@@ -32,7 +32,6 @@ functions = [
     ('rect', rect, ((0, 0), (0, 1), (0, -1), (1, 0), (-1, 0), (1, 1), (-1, 1), (1, -1), (123., -456.))),
     ('exp', exp, test_values),
     ('log', log, test_values_non_zero),
-    ('log10', log10, test_values_non_zero),
     ('sqrt', sqrt, test_values),
     ('cos', cos, test_values),
     ('sin', sin, test_values),
diff --git a/tests/float/cmath_fun_special.py b/tests/float/cmath_fun_special.py
new file mode 100644
index 0000000000..422964dd75
--- /dev/null
+++ b/tests/float/cmath_fun_special.py
@@ -0,0 +1,32 @@
+# test the special functions imported from cmath
+
+try:
+    from cmath import *
+    log10
+except (ImportError, NameError):
+    print("SKIP")
+    import sys
+    sys.exit()
+
+test_values_non_zero = []
+base_values = (0.0, 0.5, 1.2345, 10.)
+for r in base_values:
+    for i in base_values:
+        if r != 0. or i != 0.:
+            test_values_non_zero.append(complex(r, i))
+        if r != 0.:
+            test_values_non_zero.append(complex(-r, i))
+        if i != 0.:
+            test_values_non_zero.append(complex(r, -i))
+        if r != 0. and i != 0.:
+            test_values_non_zero.append(complex(-r, -i))
+
+functions = [
+    ('log10', log10, test_values_non_zero),
+]
+
+for f_name, f, test_vals in functions:
+    print(f_name)
+    for val in test_vals:
+        ret = f(val)
+        print("complex(%.5g, %.5g)" % (ret.real, ret.imag))
diff --git a/tests/float/math_fun.py b/tests/float/math_fun.py
index 277507ecf0..d9f179587d 100644
--- a/tests/float/math_fun.py
+++ b/tests/float/math_fun.py
@@ -13,16 +13,7 @@ unit_range_test_values = [-1., -0.75, -0.5, -0.25, 0., 0.25, 0.5, 0.75, 1.]
 
 functions = [('sqrt', sqrt, test_values),
              ('exp', exp, test_values_small),
-             ('expm1', expm1, test_values_small),
              ('log', log, test_values),
-             ('log2', log2, test_values),
-             ('log10', log10, test_values),
-             ('cosh', cosh, test_values_small),
-             ('sinh', sinh, test_values_small),
-             ('tanh', tanh, test_values_small),
-             ('acosh', acosh, [1.0, 5.0, 1.0]),
-             ('asinh', asinh, test_values),
-             ('atanh', atanh, [-0.99, -0.5, 0.0, 0.5, 0.99]),
              ('cos', cos, test_values),
              ('sin', sin, test_values),
              ('tan', tan, test_values),
diff --git a/tests/float/math_fun_special.py b/tests/float/math_fun_special.py
index c30085a2be..00336efc4a 100644
--- a/tests/float/math_fun_special.py
+++ b/tests/float/math_fun_special.py
@@ -12,6 +12,15 @@ test_values = [-8., -2.5, -1, -0.5, 0.0, 0.5, 2.5, 8.,]
 pos_test_values = [0.001, 0.1, 0.5, 1.0, 1.5, 10.,]
 
 functions = [
+    ('expm1', expm1, test_values),
+    ('log2', log2, test_values),
+    ('log10', log10, test_values),
+    ('cosh', cosh, test_values),
+    ('sinh', sinh, test_values),
+    ('tanh', tanh, test_values),
+    ('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),
@@ -21,4 +30,7 @@ functions = [
 for function_name, function, test_vals in functions:
     print(function_name)
     for value in test_vals:
-        print("{:.5g}".format(function(value)))
+        try:
+            print("{:.5g}".format(function(value)))
+        except ValueError as e:
+            print(str(e))