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avoid nnNode:label() error for string data #152

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avoid nnNode:label() error for string data #152

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3036b4b
Update test_nngraph.lua
kruus Aug 1, 2017
c6b5541
Update node.lua
kruus Aug 1, 2017
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3 changes: 2 additions & 1 deletion node.lua
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Original file line number Diff line number Diff line change
Expand Up @@ -137,7 +137,8 @@ function nnNode:label()
elseif istable(data) then
local tstr = {}
for i,v in ipairs(data) do
table.insert(tstr, getstr(v))
local gsv = getstr(v) -- avoids luajit error for type(v)='string'
table.insert(tstr, gsv)
end
return '{' .. table.concat(tstr,',') .. '}'
else
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18 changes: 18 additions & 0 deletions test/test_nngraph.lua
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Original file line number Diff line number Diff line change
Expand Up @@ -371,6 +371,24 @@ function test.test_gradInputType()
checkDotFile(bg_tmpfile)
end

function test.test_table_string_label()
local inp = nn.Identity()()
local in1 = nn.SelectTable(1)(inp)
local in2 = nn.SelectTable(2)(inp)
local out = nn.Linear(10,10)(in1)
-- in2 propagates 'as is': it could be, say, a string debug tag
local mod = nn.gModule({inp}, {out,in2})

local mod_out = mod:forward{
torch.Tensor(10),
"nnNode:label() should handle a string without bad argument #2 to 'insert' (number expected, got string) error"
}
--print('mod_out[1] type is '..torch.type(mod_out[1]))
--print('mod_out[2] type is '..torch.type(mod_out[2])) -- string
local dot0 = mod.fg:todot()
--print(dot0)
end

function test.test_splitMore()
local nSplits = 2
local in1 = nn.Identity()()
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