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def hope_and_fear kbest, action
max = -1.0/0
max_idx = -1
kbest.each_with_index { |k,i|
if action=='hope' && k.scores[:decoder] + k.scores[:psb] > max
max_idx = i; max = k.scores[:decoder] + k.scores[:psb]
end
if action=='fear' && k.scores[:decoder] - k.scores[:psb] > max
max_idx = i; max = k.scores[:decoder] - k.scores[:psb]
end
}
return kbest[max_idx]
end
def gethopefear_standard kbest, feedback
hope = fear = nil
type1 = type2 = false
if feedback == true
hope = kbest[0]
type1 = true
else
hope = hope_and_fear(kbest, 'hope')
type2 = true
end
fear = hope_and_fear(kbest, 'fear')
return hope, fear, false, type1, type2
end
def gethopefear_fear_no_exec kbest, feedback, gold, max
hope = fear = nil
type1 = type2 = false
if feedback == true
hope = kbest[0]
type1 = true
else
hope = hope_and_fear(kbest, 'hope')
type2 = true
end
kbest.sort{|x,y|(y.scores[:decoder]+y.scores[:psb])<=>(x.scores[:decoder]+x.scores[:psb])}.each_with_index { |k,i|
break if i==max
if !exec(k.s, gold, true)[0]
fear = k
break
end
}
skip=true if !fear
return hope, fear, skip, type1, type2
end
def gethopefear_fear_no_exec_skip kbest, feedback, gold
hope = fear = nil
type1 = type2 = false
if feedback == true
hope = kbest[0]
type1 = true
else
hope = hope_and_fear(kbest, 'hope')
type2 = true
end
fear = hope_and_fear(kbest, 'fear')
skip = exec(fear.s, gold, true)[0]
return hope, fear, skip, type1, type2
end
def gethopefear_fear_no_exec_hope_exec kbest, feedback, gold, max
hope = fear = nil; hope_idx = 0
type1 = type2 = false
sorted_kbest = kbest.sort{|x,y|(y.scores[:decoder]+y.scores[:psb])<=>(x.scores[:decoder]+x.scores[:psb])}
if feedback == true
hope = kbest[0]
type1 = true
else
sorted_kbest.each_with_index { |k,i|
next if i==0
break if i==max
if exec(k.s, gold, true)[0]
hope_idx = i
hope = k
break
end
}
type2 = true
end
sorted_kbest.each_with_index { |k,i|
break if i>(kbest.size-(hope_idx+1))||i==max
if !exec(k.s, gold, true)[0]
fear = k
break
end
}
skip = true if !hope||!fear
return hope, fear, skip, type1, type2
end
def gethopefear_fear_no_exec_hope_exec_skip kbest, feedback, gold, max
hope = fear = nil
type1 = type2 = false
if feedback == true
hope = kbest[0]
type1 = true
else
hope = hope_and_fear(kbest, 'hope')
type2 = true
end
fear = hope_and_fear(kbest, 'fear')
skip = exec(fear.s, gold, true)[0]||!exec(hope.s, gold, true)[0]
return hope, fear, skip, type1, type2
end
def gethopefear_only_exec kbest, feedback, gold, max, own_reference=nil
hope = fear = nil; hope_idx = 0; new_reference = nil
type1 = type2 = false
if feedback == true
hope = kbest[0]
new_reference = hope
type1 = true
elsif own_reference
hope = own_reference
type1 = true
else
kbest.each_with_index { |k,i|
next if i==0
break if i==max
if exec(k.s, gold, true)[0]
hope_idx = i
hope = k
break
end
}
type2 = true
end
kbest.each_with_index { |k,i|
next if i==0||i==hope_idx
break if i==max
if !exec(k.s, gold, true)[0]
fear = k
break
end
}
skip = true if !hope||!fear
return hope, fear, skip, type1, type2, new_reference
end
def gethopefear_only_exec_simple kbest, feedback, gold, max, own_reference=nil
hope = fear = nil; hope_idx = 0; new_reference = nil
type1 = type2 = false
if feedback == true
hope = kbest[0]
new_reference = hope
type1 = true
elsif own_reference
hope = own_reference
type1 = true
else
kbest.each_with_index { |k,i|
next if i==0
break if i==max
if exec(k.s, gold, true)[0]
hope_idx = i
hope = k
break
end
}
type2 = true
end
kbest.each_with_index { |k,i|
next if i==0||i==hope_idx
break if i==max
if !exec(k.s, gold, true)[0]
fear = k
break
end
}
skip = true if !hope||!fear
return hope, fear, skip, type1, type2, new_reference
end
def gethopefear_rampion kbest, reference
hope = fear = nil
type1 = type2 = false
if kbest[0].s == reference
hope = kbest[0]
fear = hope_and_fear(kbest, 'fear')
type1 = true
else
hope = hope_and_fear(kbest, 'hope')
fear = kbest[0]
type2 = true
end
return hope, fear, false, type1, type2
end
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