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const correctness

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This commit is contained in:
Gustav Louw 2018-04-01 17:01:42 -07:00
parent 08ada030cb
commit ea130335da
2 changed files with 7 additions and 10 deletions
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10
Tinn.c
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@ -52,8 +52,8 @@ static void backwards(const Tinn t, const float* in, const float* tg, float rate
// Calculate total error change with respect to output. // Calculate total error change with respect to output.
for(int j = 0; j < t.nops; j++) for(int j = 0; j < t.nops; j++)
{ {
float a = pderr(t.o[j], tg[j]); const float a = pderr(t.o[j], tg[j]);
float b = pdact(t.o[j]); const float b = pdact(t.o[j]);
sum += a * b * t.x[j * t.nhid + i]; sum += a * b * t.x[j * t.nhid + i];
// Correct weights in hidden to output layer. // Correct weights in hidden to output layer.
t.x[j * t.nhid + i] -= rate * a * b * t.h[i]; t.x[j * t.nhid + i] -= rate * a * b * t.h[i];
@ -125,7 +125,7 @@ Tinn xtbuild(int nips, int nhid, int nops)
void xtsave(const Tinn t, const char* path) void xtsave(const Tinn t, const char* path)
{ {
FILE* file = fopen(path, "w"); FILE* const file = fopen(path, "w");
// Header. // Header.
fprintf(file, "%d %d %d\n", t.nips, t.nhid, t.nops); fprintf(file, "%d %d %d\n", t.nips, t.nhid, t.nops);
// Biases and weights. // Biases and weights.
@ -136,14 +136,14 @@ void xtsave(const Tinn t, const char* path)
Tinn xtload(const char* path) Tinn xtload(const char* path)
{ {
FILE* file = fopen(path, "r"); FILE* const file = fopen(path, "r");
int nips = 0; int nips = 0;
int nhid = 0; int nhid = 0;
int nops = 0; int nops = 0;
// Header. // Header.
fscanf(file, "%d %d %d\n", &nips, &nhid, &nops); fscanf(file, "%d %d %d\n", &nips, &nhid, &nops);
// A new tinn is returned. // A new tinn is returned.
Tinn t = xtbuild(nips, nhid, nips); const Tinn t = xtbuild(nips, nhid, nips);
// Biases and weights. // Biases and weights.
for(int i = 0; i < t.nb; i++) fscanf(file, "%f\n", &t.b[i]); for(int i = 0; i < t.nb; i++) fscanf(file, "%f\n", &t.b[i]);
for(int i = 0; i < t.nw; i++) fscanf(file, "%f\n", &t.w[i]); for(int i = 0; i < t.nw; i++) fscanf(file, "%f\n", &t.w[i]);

7
Tinn.h
View File

@ -8,11 +8,8 @@ typedef struct
float* h; // Hidden layer. float* h; // Hidden layer.
float* o; // Output layer. float* o; // Output layer.
// Number of biases - always two - Tinn only supports a single hidden layer. int nb; // Number of biases - always two - Tinn only supports a single hidden layer.
int nb; int nw; // Number of weights.
// Number of weights.
int nw;
int nips; // Number of inputs. int nips; // Number of inputs.
int nhid; // Number of hidden neurons. int nhid; // Number of hidden neurons.