1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
|
function nerv.Matrix:__tostring__()
local ncol = self:ncol()
local nrow = self:nrow()
local strt = {}
local fmt
if self.fmt then
fmt = self.fmt
else
fmt = "%.8f "
end
if nrow == 1 then
for col = 0, ncol - 1 do
table.insert(strt, string.format(fmt, self[col]))
end
table.insert(strt, "\n")
else
for row = 0, nrow - 1 do
local rp = self[row]
for col = 0, ncol - 1 do
table.insert(strt, string.format(fmt, rp[col]))
end
table.insert(strt, "\n")
end
end
table.insert(strt, string.format(
"[%s %d x %d]", self.__typename, nrow, ncol))
return table.concat(strt)
end
--func: function
--All entrys in the matrix will be assigned by calling func()
function nerv.Matrix:randomize(func)
if (self:nrow() == 1) then
for j = 0, self:ncol() - 1, 1 do
self[j] = func()
end
else
for i = 0, self:nrow() - 1, 1 do
for j = 0, self:ncol() - 1, 1 do
self[i][j] = func()
end
end
end
end
nerv.MMatrixInt.fmt = "%d "
function nerv.CuMatrix:__add__(b)
c = self:create()
c:add(self, b, 1.0, 1.0)
return c
end
function nerv.CuMatrix:__sub__(b)
c = self:create()
c:add(self, b, 1.0, -1.0)
return c
end
function nerv.CuMatrix:__mul__(b)
c = nerv.get_type(self.__typename)(self:nrow(), b:ncol())
c:mul(self, b, 1.0, 0.0, 'N', 'N')
return c
end
function nerv.CuMatrixFloat.new_from_host(mat)
local res = nerv.CuMatrixFloat(mat:nrow(), mat:ncol())
res:copy_fromh(mat)
return res
end
function nerv.CuMatrixFloat:new_to_host()
local res = nerv.MMatrixFloat(self:nrow(), self:ncol())
self:copy_toh(res)
return res
end
|