util/stats/display.py

   1 # Copyright (c) 2003-2004 The Regents of The University of Michigan
   2 # All rights reserved.
   3 #
   4 # Redistribution and use in source and binary forms, with or without
   5 # modification, are permitted provided that the following conditions are
   6 # met: redistributions of source code must retain the above copyright
   7 # notice, this list of conditions and the following disclaimer;
   8 # redistributions in binary form must reproduce the above copyright
   9 # notice, this list of conditions and the following disclaimer in the
  10 # documentation and/or other materials provided with the distribution;
  11 # neither the name of the copyright holders nor the names of its
  12 # contributors may be used to endorse or promote products derived from
  13 # this software without specific prior written permission.
  14 #
  15 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  16 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  17 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  18 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  19 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  20 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  21 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  22 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  23 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  24 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  25 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26
  27 from functools import reduce
  28
  29 class Value:
  30     def __init__(self, value, precision, percent = False):
  31         self.value = float(value)
  32         self.precision = precision
  33         self.percent = percent
  34     def __str__(self):
  35         if isinstance(self.value, str):
  36             if self.value.lower() == 'nan':
  37                 value = 'NaN'
  38             if self.value.lower() == 'inf':
  39                 value = 'Inf'
  40         else:
  41             if self.precision >= 0:
  42                 format = "%%.%df" % self.precision
  43             elif self.value == 0.0:
  44                 format = "%.0f"
  45             elif self.value % 1.0 == 0.0:
  46                 format = "%.0f"
  47             else:
  48                 format = "%f"
  49             value = self.value
  50             if self.percent:
  51                 value = value * 100.0
  52             value = format % value
  53
  54         if self.percent:
  55             value = value + "%"
  56
  57         return value
  58
  59 class Print:
  60     def __init__(self, **vals):
  61         self.__dict__.update(vals)
  62
  63     def __str__(self):
  64         value = Value(self.value, self.precision)
  65         pdf = ''
  66         cdf = ''
  67         if 'pdf' in self.__dict__:
  68             pdf = Value(self.pdf, 2, True)
  69         if 'cdf' in self.__dict__:
  70             cdf = Value(self.cdf, 2, True)
  71
  72         output = "%-40s %12s %8s %8s" % (self.name, value, pdf, cdf)
  73
  74         if descriptions and 'desc' in self.__dict__ and self.desc:
  75             output = "%s # %s" % (output, self.desc)
  76
  77         return output
  78
  79     def doprint(self):
  80         if display_all:
  81             return True
  82         if self.value == 0.0 and (self.flags & flags_nozero):
  83             return False
  84         if isinstance(self.value, str):
  85             if self.value == 'NaN' and (self.flags & flags_nonan):
  86                 return False
  87         return True
  88
  89     def display(self):
  90         if self.doprint():
  91             print(self)
  92
  93 class VectorDisplay:
  94     def display(self):
  95         if not self.value:
  96             return
  97
  98         p = Print()
  99         p.flags = self.flags
 100         p.precision = self.precision
 101
 102         if not isinstance(self.value, (list, tuple)):
 103             p.name = self.name
 104             p.desc = self.desc
 105             p.value = self.value
 106             p.display()
 107             return
 108
 109         mytotal = reduce(lambda x,y: float(x) + float(y), self.value)
 110         mycdf = 0.0
 111
 112         value = self.value
 113
 114         if display_all:
 115             subnames = [ '[%d]' % i for i in range(len(value)) ]
 116         else:
 117             subnames = [''] * len(value)
 118
 119         if 'subnames' in self.__dict__:
 120             for i,each in enumerate(self.subnames):
 121                 if len(each) > 0:
 122                     subnames[i] = '.%s' % each
 123
 124         subdescs = [self.desc]*len(value)
 125         if 'subdescs' in self.__dict__:
 126             for i in range(min(len(value), len(self.subdescs))):
 127                 subdescs[i] = self.subdescs[i]
 128
 129         for val,sname,sdesc in map(None, value, subnames, subdescs):
 130             if mytotal > 0.0:
 131                 mypdf = float(val) / float(mytotal)
 132                 mycdf += mypdf
 133                 if (self.flags & flags_pdf):
 134                     p.pdf = mypdf
 135                     p.cdf = mycdf
 136
 137             if len(sname) == 0:
 138                 continue
 139
 140             p.name = self.name + sname
 141             p.desc = sdesc
 142             p.value = val
 143             p.display()
 144
 145         if (self.flags & flags_total):
 146             if ('pdf' in p.__dict__): del p.__dict__['pdf']
 147             if ('cdf' in p.__dict__): del p.__dict__['cdf']
 148             p.name = self.name + '.total'
 149             p.desc = self.desc
 150             p.value = mytotal
 151             p.display()