From 6e58756ea75fb912c27436b5b3f556fb03e5e647 Mon Sep 17 00:00:00 2001 From: cloudygoose Date: Tue, 2 Jun 2015 13:59:41 +0800 Subject: doc change about matrix --- doc/nerv_matrix.md | 28 +++++++++++++++++++++++++++- matrix/generic/cumatrix.c | 2 +- 2 files changed, 28 insertions(+), 2 deletions(-) diff --git a/doc/nerv_matrix.md b/doc/nerv_matrix.md index 0585ee6..aedefbe 100644 --- a/doc/nerv_matrix.md +++ b/doc/nerv_matrix.md @@ -42,6 +42,32 @@ Get `nrow`, the number of rows. Returns the value(not a pointer) of space the `data_ref` pointer pointed to. This function is mainly for debugging. * __Matrix/Element\_type, boolean Matrix.\_\_index\_\_(Matrix self, int index)__ If the matrix has more than one row, will return the row at `index` as a __Matrix__ . Otherwise it will return the value at `index`. -* __void Matrix.\_\_newindex\_\_(Matrix self, int index, Element_type value)__ +* __void Matrix.\_\_newindex\_\_(Matrix self, int index, Element_type value)__ Set the element at `index` to be `value`. --- +* __Matrix Matrix.create(Matrix a)__ +Return a new __Matrix__ of `a`'s size(of the same number of rows and columns). +* __Matrix Matrix.colsum(Matrix self)__ +Return a new __Matrix__ of size (1,`self.ncol`), which stores the sum of all columns of __Matrix__ `self`. +* __Matrix Matrix.rowsum(Matrix self)__ +Return a new __Matrix__ of size (`self.nrow`,1), which stores the sum of all rows of __Matrix__ `self`. +* __Matrix Matrix.rowmax(Matrix self)__ +Return a new __Matrix__ of size (`self.nrow`,1), which stores the max value of all rows of __Matrix__ `self`. +* __Matrix Matrix.trans(Matrix self)__ +Return a new __Matrix__ of size (`self.ncol`,`self.nrow`), which stores the transpose of __Matrix__ `self`. +* __void Matrix.copy_fromh(Matrix self, MMatrix a)__ +Copy the content of a __MMatrix__ `a` to __Matrix__ `self`, they should be of the same size. +* __void Matrix.copy_fromd(Matrix self, CuMatrix a)__ +Copy the content of a __CuMatrix__ `a` to __Matrix__ `self`, they should be of the same size. +* __void Matrix.copy_toh(Matrix self, MMatrix a)__ +Copy the content of the __Matrix__ `self` to a __MMatrix__ `a`. +* __void Matrix.copy_tod(Matrix self, CuMatrix a)__ +Copy the content of the __Matrix__ `self` to a __CuMatrix__ `a`. +* __void Matrix.add(Matrix self, Matrix ma, Matrix mb, Element_type alpha, Element_type beta)__ +It sets the content of __Matrix__ `self` to be `alpha * ma + beta * mb`.__Matrix__ `ma,mb,self` should be of the same size. +* __void Matrix.mul(Matrix self, Matrix ma, Matrix mb, Element_type alpha, Element_type beta, [string ta, string tb])__ +It sets the content of __Matrix__ `self` to be `beta * self + alpha * ma * mb`. `ta` and `tb` is optional, if `ta` is 'T', then `ma` will be transposed, also if `tb` is 'T', `mb` will be transposed. +* __void Matrix.add_row(Matrix self, Matrix va, Element_type beta)__ +It sets the content of __Matrix__ `self`(which should be row vector) to be `self + beta * va`. +* __void Matrix.fill(Matrix self, Element_type value)__ +Fill the content of __Matrix__ to be `value`. \ No newline at end of file diff --git a/matrix/generic/cumatrix.c b/matrix/generic/cumatrix.c index 58f3679..0df1bd7 100644 --- a/matrix/generic/cumatrix.c +++ b/matrix/generic/cumatrix.c @@ -74,7 +74,7 @@ static int nerv_matrix_(mul)(lua_State *L) { if (an != bm) nerv_error(L, "Wrong dimension of multipliers"); /* MATRIX_ELEM alpha = 1.0f, beta = 0.0f; */ - CUBLAS_SAFE_CALL( + CUBLAS_SAFE_CALL( //Because matrix in Nerv is row-major, here b comes first NERV_CUBLAS_(gemm)(cublas_handle, tb, ta, bn, am, bm, &alpha, -- cgit v1.2.3-70-g09d2