diff options
Diffstat (limited to 'nerv/matrix/init.lua')
| -rw-r--r-- | nerv/matrix/init.lua | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/nerv/matrix/init.lua b/nerv/matrix/init.lua index cf85004..722c780 100644 --- a/nerv/matrix/init.lua +++ b/nerv/matrix/init.lua @@ -40,7 +40,8 @@ end --- Assign each element in a matrix using the value returned by a callback `gen`. -- @param gen the callback used to generated the values in the matrix, to which -- the indices of row and column will be passed (e.g., `gen(i, j)`) -function nerv.Matrix:generate(gen) + +function nerv.Matrix:_generate(gen) if (self:dim() == 2) then for i = 0, self:nrow() - 1 do local row = self[i] @@ -55,6 +56,21 @@ function nerv.Matrix:generate(gen) end end +function nerv.Matrix:generate(gen) + local tmp + if nerv.is_type(self, 'nerv.CuMatrixFloat') then + tmp = nerv.MMatrixFloat(self:nrow(), self:ncol()) + elseif nerv.is_type(self, 'nerv.CuMatrixDouble') then + tmp = nerv.MMatrixDouble(self:nrow(), self:ncol()) + else + tmp = self + end + tmp:_generate(gen) + if nerv.is_type(self, 'nerv.CuMatrix') then + self:copy_fromh(tmp) + end +end + --- Create a fresh new matrix of the same matrix type (as `self`). -- @param nrow optional, the number of rows in the created matrix if specified, -- otherwise `self:nrow()` will be used |