| Geant4 Cross Reference |
1 //
2 // ********************************************************************
3 // * License and Disclaimer *
4 // * *
5 // * The Geant4 software is copyright of the Copyright Holders of *
6 // * the Geant4 Collaboration. It is provided under the terms and *
7 // * conditions of the Geant4 Software License, included in the file *
8 // * LICENSE and available at http://cern.ch/geant4/license . These *
9 // * include a list of copyright holders. *
10 // * *
11 // * Neither the authors of this software system, nor their employing *
12 // * institutes,nor the agencies providing financial support for this *
13 // * work make any representation or warranty, express or implied, *
14 // * regarding this software system or assume any liability for its *
15 // * use. Please see the license in the file LICENSE and URL above *
16 // * for the full disclaimer and the limitation of liability. *
17 // * *
18 // * This code implementation is the result of the scientific and *
19 // * technical work of the GEANT4 collaboration. *
20 // * By using, copying, modifying or distributing the software (or *
21 // * any work based on the software) you agree to acknowledge its *
22 // * use in resulting scientific publications, and indicate your *
23 // * acceptance of all terms of the Geant4 Software license. *
24 // ********************************************************************
25 //
26
27 #ifdef USE_INFERENCE_TORCH
28 # include "Par04TorchInference.hh"
29
30 # include "Par04InferenceInterface.hh" // for Par04InferenceInterface
31
32 # include <algorithm> // for copy, max
33 # include <cassert> // for assert
34 # include <cstddef> // for size_t
35 # include <cstdint> // for int64_t
36 # include <torch/torch.h>
37 # include <utility> // for move
38
39 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
40
41 Par04TorchInference::Par04TorchInference(G4String modelPath) : Par04InferenceInterface()
42 {
43 fModule = torch::jit::load(modelPath);
44 }
45
46 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
47
48 void Par04TorchInference::RunInference(std::vector<float> aGenVector,
49 std::vector<G4double>& aEnergies, int aSize)
50 {
51 // latentSize : size of the latent space
52 // 4 is the size of the condition vector
53 int latentSize = aGenVector.size() - 4;
54 // split into latent and condition vectors
55 std::vector<float> latent;
56 for (int i = 0; i < latentSize; i++) {
57 latent.push_back(aGenVector[i]);
58 }
59 std::vector<float> energy;
60 energy.push_back(aGenVector[latentSize + 1]);
61 std::vector<float> angle;
62 energy.push_back(aGenVector[latentSize + 2]);
63 std::vector<float> geo;
64 for (int i = latentSize + 2; i < latentSize + 4; i++) {
65 geo.push_back(aGenVector[i]);
66 }
67
68 // convert vectors to tensors
69 torch::Tensor latentVector = torch::tensor(latent);
70 torch::Tensor eTensor = torch::tensor(energy);
71 torch::Tensor angleTensor = torch::tensor(angle);
72 torch::Tensor geoTensor = torch::tensor(geo);
73
74 std::vector<torch::jit::IValue> genInput;
75
76 genInput.push_back(latentVector);
77 genInput.push_back(eTensor);
78 genInput.push_back(angleTensor);
79 genInput.push_back(geoTensor);
80
81 at::Tensor outTensor = fModule.forward(genInput).toTensor().contiguous();
82
83 std::vector<G4double> output(outTensor.data_ptr<float>(),
84 outTensor.data_ptr<float>() + outTensor.numel());
85
86 aEnergies.assign(aSize, 0);
87 for (int i = 0; i < aSize; i++) {
88 aEnergies[i] = output[i];
89 }
90 }
91
92 #endif
93