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#ifndef TH_GENERIC_FILE
#define TH_GENERIC_FILE "generic/L1Cost.c"
#else
static int nn_(L1Cost_updateOutput)(lua_State *L)
{
THTensor *input = luaT_checkudata(L, 2, torch_Tensor);
accreal sum;
sum = 0;
TH_TENSOR_APPLY(real, input, sum += fabs(*input_data););
lua_pushnumber(L, sum);
lua_setfield(L, 1, "output");
lua_pushnumber(L, sum);
return 1;
}
static int nn_(L1Cost_updateGradInput)(lua_State *L)
{
THTensor *input = luaT_checkudata(L, 2, torch_Tensor);
THTensor *gradInput = luaT_getfieldcheckudata(L, 1, "gradInput", torch_Tensor);
THTensor_(resizeAs)(gradInput, input);
TH_TENSOR_APPLY2(real, gradInput, real, input,
if (*input_data > 0)
*gradInput_data = 1;
else if (*input_data < 0)
*gradInput_data = -1;
else
*gradInput_data = 0;);
return 1;
}
static const struct luaL_Reg nn_(L1Cost__) [] = {
{"L1Cost_updateOutput", nn_(L1Cost_updateOutput)},
{"L1Cost_updateGradInput", nn_(L1Cost_updateGradInput)},
{NULL, NULL}
};
static void nn_(L1Cost_init)(lua_State *L)
{
luaT_pushmetatable(L, torch_Tensor);
luaT_registeratname(L, nn_(L1Cost__), "nn");
lua_pop(L,1);
}
#endif
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