Module: RbBCC::DisplayHelper

Included in:
RbBCC
Defined in:
lib/rbbcc/disp_helper.rb

Overview

They’re directly ported from table.py They might be more looked like Ruby code

Instance Method Summary collapse

Instance Method Details



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# File 'lib/rbbcc/disp_helper.rb', line 70

def print_linear_hist(vals, val_type)
  stars_max = $stars_max
  log2_dist_max = 64
  idx_max = -1
  val_max = 0

  vals.each_with_index do |v, i|
    idx_max = i if v > 0
    val_max = v if v > val_max
  end

  header = "     %-13s : count     distribution"
  body = "        %-10d : %-8d |%-*s|"
  stars = stars_max

  if idx_max >= 0
    puts(header % val_type);
  end

  (0...(idx_max + 1)).each do |i|
    val = vals[i]
    puts(body % [i, val, stars,
                 stars(val, val_max, stars)])
  end
end

#print_log2_hist(vals, val_type, strip_leading_zero) ⇒ Object 



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# File 'lib/rbbcc/disp_helper.rb', line 24

def print_log2_hist(vals, val_type, strip_leading_zero)
  stars_max = $stars_max
  log2_dist_max = 64
  idx_max = -1
  val_max = 0

  vals.each_with_index do |v, i|
    idx_max = i if v > 0
    val_max = v if v > val_max
  end

  if idx_max <= 32
    header = "     %-19s : count     distribution"
    body = "%10d -> %-10d : %-8d |%-*s|"
    stars = stars_max
  else
    header = "               %-29s : count     distribution"
    body = "%20d -> %-20d : %-8d |%-*s|"
    stars = stars_max / 2
  end

  if idx_max > 0
    puts(header % val_type)
  end

  (1...(idx_max + 1)).each do |i|
    low = (1 << i) >> 1
    high = (1 << i) - 1
    if (low == high)
      low -= 1
    end
    val = vals[i]

    if strip_leading_zero
      if val
        puts(body % [low, high, val, stars,
                      stars(val, val_max, stars)])
        strip_leading_zero = false
      end
    else
      puts(body % [low, high, val, stars,
                    stars(val, val_max, stars)])
    end
  end
end

#stars(val, val_max, width) ⇒ Object 



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# File 'lib/rbbcc/disp_helper.rb', line 10

def stars(val, val_max, width)
  i = 0
  text = ""
  while true
    break if (i > (width * val.to_f / val_max) - 1) || (i > width - 1)
    text += "*"
    i += 1
  end
  if val > val_max
    text = text[0...-1] + "+"
  end
  return text
end