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#ifndef TH_GENERIC_FILE
#define TH_GENERIC_FILE "generic/SpatialMSECriterion.c"
#else
static int nn_(SpatialMSECriterion_updateOutput)(lua_State *L)
{
THTensor *input = luaT_checkudata(L, 2, torch_(Tensor_id));
THTensor *target = luaT_checkudata(L, 3, torch_(Tensor_id));
THTensor *output = luaT_getfieldcheckudata(L, 1, "fullOutput", torch_(Tensor_id));
real z = 0;
TH_TENSOR_APPLY3(real, output, real, input, real, target,
z = (*input_data - *target_data);
*output_data = 0.5*z*z;)
return 1;
}
static int nn_(SpatialMSECriterion_updateGradInput)(lua_State *L)
{
THTensor *input = luaT_checkudata(L, 2, torch_(Tensor_id));
THTensor *target = luaT_checkudata(L, 3, torch_(Tensor_id));
THTensor *gradInput = luaT_checkudata(L, 4, torch_(Tensor_id));
TH_TENSOR_APPLY3(real, gradInput, real, input, real, target,
*gradInput_data = (*input_data - *target_data);)
return 1;
}
static int nn_(SpatialMSECriterion_retarget)(lua_State *L)
{
THTensor *new = luaT_checkudata(L, 1, torch_(Tensor_id));
THTensor *old = luaT_checkudata(L, 2, torch_(Tensor_id));
int height = new->size[1];
int width = new->size[2];
int k,x,y;
for (y=0; y<height; y++) {
for (x=0; x<width; x++) {
THTensor_(set3d)(new, THTensor_(get2d)(old, y, x)-1, y, x, 1);
}
}
return 1;
}
static const struct luaL_Reg nn_(SpatialMSECriterion__) [] = {
{"SpatialMSECriterion_updateOutput", nn_(SpatialMSECriterion_updateOutput)},
{"SpatialMSECriterion_updateGradInput", nn_(SpatialMSECriterion_updateGradInput)},
{"SpatialMSECriterion_retarget", nn_(SpatialMSECriterion_retarget)},
{NULL, NULL}
};
static void nn_(SpatialMSECriterion_init)(lua_State *L)
{
luaT_pushmetaclass(L, torch_(Tensor_id));
luaT_registeratname(L, nn_(SpatialMSECriterion__), "nn");
lua_pop(L,1);
}
#endif
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