Merge branch '35-cannnot-provide-negative-values-to-the-apply_threshold-script' into 'master'

Resolve "cannnot provide negative values to the apply_threshold script"

Closes #35

See merge request !42

bob/measure/script/apply_threshold.py

@@ -5,7 +5,7 @@
 
 """Applies a threshold to score file and reports error rates
 
-Usage: %(prog)s [-v...] [options] <threshold> <scores>
+Usage: %(prog)s [-v...] [options] [--] <threshold> <scores>
        %(prog)s --help
        %(prog)s --version
 

bob/measure/test_scripts.py

@@ -86,6 +86,13 @@ def test_apply_threshold():
   from .script.apply_threshold import main
   nose.tools.eq_(main(cmdline), 0)
 
+  cmdline = [
+      '--',
+      '-0.5',
+      TEST_SCORES,
+  ]
+  nose.tools.eq_(main(cmdline), 0)
+
 
 def test_compute_perf_5col():