add mul_elem and log_elem; add dimension checking in cumatrix methods

1 files changed, 24 insertions, 3 deletions

diff --git a/matrix/generic/cumatrix.c b/matrix/generic/cumatrix.c
index 2deb7a3..ed64bbf 100644
--- a/matrix/generic/cumatrix.c
+++ b/matrix/generic/cumatrix.c
@@ -48,6 +48,7 @@ static int nerv_matrix_(add)(lua_State *L) {
     MATRIX_ELEM alpha = luaL_checknumber(L, 4); /* alpha */
     MATRIX_ELEM beta = luaL_checknumber(L, 5); /* alpha */
     CHECK_SAME_DIMENSION(a, b);
+    CHECK_SAME_DIMENSION(a, c);
     nerv_matrix_(add_)(a, b, c, alpha, beta);
     return 0;
 }
@@ -118,6 +119,7 @@ static int nerv_matrix_(softmax)(lua_State *L) {
     Matrix *b = luaT_checkudata(L, 1, nerv_matrix_(tname));
     Matrix *max = nerv_matrix_(new_)(a->nrow, 1);
     Matrix *dno = nerv_matrix_(new_)(a->nrow, 1);
+    CHECK_SAME_DIMENSION(a, b);
     cudak_(cuda_rowmax)(a, max);
     cudak_(cuda_softmax_denominator)(a, max, dno);
     cudak_(cuda_softmax_final)(a, max, dno, b);
@@ -230,25 +232,44 @@ static int nerv_matrix_(trans)(lua_State *L) {
     return 1;
 }
 
+static int nerv_matrix_(mul_elem)(lua_State *L) {
+    Matrix *a = luaT_checkudata(L, 2, nerv_matrix_(tname));
+    Matrix *b = luaT_checkudata(L, 3, nerv_matrix_(tname));
+    Matrix *c = luaT_checkudata(L, 1, nerv_matrix_(tname));
+    CHECK_SAME_DIMENSION(a, b);
+    CHECK_SAME_DIMENSION(a, c);
+    cudak_(cuda_mul_elem)(a, b, c);
+    return 0;
+}
+
+static int nerv_matrix_(log_elem)(lua_State *L) {
+    Matrix *a = luaT_checkudata(L, 2, nerv_matrix_(tname));
+    Matrix *b = luaT_checkudata(L, 1, nerv_matrix_(tname));
+    CHECK_SAME_DIMENSION(a, b);
+    cudak_(cuda_log_elem)(a, b);
+    return 0;
+}
 
 static const luaL_Reg nerv_matrix_(extra_methods)[] = {
     {"create", nerv_matrix_(create)},
-    {"softmax", nerv_matrix_(softmax)},
     {"colsum", nerv_matrix_(colsum)},
     {"rowsum", nerv_matrix_(rowsum)},
     {"rowmax", nerv_matrix_(rowmax)},
+    {"trans", nerv_matrix_(trans)},
+    /* in-place calc */
     {"copy_fromh", nerv_matrix_(copy_fromh)},
     {"copy_fromd", nerv_matrix_(copy_fromd)},
     {"copy_toh", nerv_matrix_(copy_toh)},
     {"copy_tod", nerv_matrix_(copy_tod)},
-    {"trans", nerv_matrix_(trans)},
-    /* in-place calc */
     {"add", nerv_matrix_(add)},
     {"mul", nerv_matrix_(mul)},
     {"add_row", nerv_matrix_(add_row)},
     {"fill", nerv_matrix_(fill)},
     {"sigmoid", nerv_matrix_(sigmoid)},
     {"sigmoid_grad", nerv_matrix_(sigmoid_grad)},
+    {"softmax", nerv_matrix_(softmax)},
+    {"mul_elem", nerv_matrix_(mul_elem)},
+    {"log_elem", nerv_matrix_(log_elem)},
     {NULL, NULL}
 };