* os.py: _exit doesn't exist in all variations of posix
* Added fcmp() to test_support.py and use it in test*.py
diff --git a/Lib/test/test_b2.py b/Lib/test/test_b2.py
index 568ed97..f376f46 100644
--- a/Lib/test/test_b2.py
+++ b/Lib/test/test_b2.py
@@ -71,21 +71,21 @@
if pow(-2L,2) <> 4: raise TestFailed, 'pow(-2L,2)'
if pow(-2L,3) <> -8: raise TestFailed, 'pow(-2L,3)'
#
-if pow(0.,0) <> 1.: raise TestFailed, 'pow(0.,0)'
-if pow(0.,1) <> 0.: raise TestFailed, 'pow(0.,1)'
-if pow(1.,0) <> 1.: raise TestFailed, 'pow(1.,0)'
-if pow(1.,1) <> 1.: raise TestFailed, 'pow(1.,1)'
+if fcmp(pow(0.,0), 1.): raise TestFailed, 'pow(0.,0)'
+if fcmp(pow(0.,1), 0.): raise TestFailed, 'pow(0.,1)'
+if fcmp(pow(1.,0), 1.): raise TestFailed, 'pow(1.,0)'
+if fcmp(pow(1.,1), 1.): raise TestFailed, 'pow(1.,1)'
#
-if pow(2.,0) <> 1.: raise TestFailed, 'pow(2.,0)'
-if pow(2.,10) <> 1024.: raise TestFailed, 'pow(2.,10)'
-if pow(2.,20) <> 1024.*1024.: raise TestFailed, 'pow(2.,20)'
-if pow(2.,30) <> 1024.*1024.*1024.: raise TestFailed, 'pow(2.,30)'
+if fcmp(pow(2.,0), 1.): raise TestFailed, 'pow(2.,0)'
+if fcmp(pow(2.,10), 1024.): raise TestFailed, 'pow(2.,10)'
+if fcmp(pow(2.,20), 1024.*1024.): raise TestFailed, 'pow(2.,20)'
+if fcmp(pow(2.,30), 1024.*1024.*1024.): raise TestFailed, 'pow(2.,30)'
#
# XXX These don't work -- negative float to the float power...
-#if pow(-2.,0) <> 1.: raise TestFailed, 'pow(-2.,0)'
-#if pow(-2.,1) <> -2.: raise TestFailed, 'pow(-2.,1)'
-#if pow(-2.,2) <> 4.: raise TestFailed, 'pow(-2.,2)'
-#if pow(-2.,3) <> -8.: raise TestFailed, 'pow(-2.,3)'
+#if fcmp(pow(-2.,0), 1.): raise TestFailed, 'pow(-2.,0)'
+#if fcmp(pow(-2.,1), -2.): raise TestFailed, 'pow(-2.,1)'
+#if fcmp(pow(-2.,2), 4.): raise TestFailed, 'pow(-2.,2)'
+#if fcmp(pow(-2.,3), -8.): raise TestFailed, 'pow(-2.,3)'
print 'range'
if range(3) <> [0, 1, 2]: raise TestFailed, 'range(3)'