/usr/include/torch/SoftPlus.h is in libtorch3-dev 3.1-2.2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 | // Copyright (C) 2003--2004 Samy Bengio (bengio@idiap.ch)
//
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#ifndef SOFT_PLUS_INC
#define SOFT_PLUS_INC
#include "GradientMachine.h"
namespace Torch {
/** SoftPlus layer for #GradientMachine#.
Can be used to constrain the output of a machine to be always positive.
The number of inputs/outputs is the number of units in the machine.
Formally speaking, $ouputs[i] = log(1+exp(inputs[i]))$
@author Samy Bengio (bengio@idiap.ch)
*/
class SoftPlus : public GradientMachine
{
public:
/// Create a layer with #n_units# units.
SoftPlus(int n_units);
//-----
virtual void frameForward(int t, real *f_inputs, real *f_outputs);
virtual void frameBackward(int t, real *f_inputs, real *beta_, real *f_outputs, real *alpha_);
virtual ~SoftPlus();
};
}
#endif
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