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removed asserts and added ecalloc and efopen instead

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This commit is contained in:
Gustav Louw 2018-04-02 15:54:33 -07:00
parent 09bd3f647c
commit 72dd9ed70a
1 changed files with 35 additions and 9 deletions
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44
Tinn.c
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@ -1,7 +1,7 @@
#include "Tinn.h"
#include <stdarg.h>
#include <stdio.h>
#include <assert.h>
#include <stdlib.h>
#include <math.h>
@ -93,6 +93,34 @@ static void twrand(const Tinn t)
for(int i = 0; i < t.nb; i++) t.b[i] = frand() - 0.5f;
}
// Prints a message and exits.
static void bomb(const char* const message, ...)
{
va_list args;
va_start(args, message);
vprintf(message, args);
va_end(args);
exit(1);
}
// Fail safe file opening.
static FILE* efopen(const char* const pathname, const char* const mode)
{
FILE* const file = fopen(pathname, mode);
if(file == NULL)
bomb("failure: fopen(\"%s\", \"%s\")\n", pathname, mode);
return file;
}
// Fail safe clear allocation.
static void* ecalloc(const size_t nmemb, const size_t size)
{
void* const mem = calloc(nmemb, size);
if(mem == NULL)
bomb("failure: calloc(%d, %d)\n", nmemb, size);
return mem;
}
float* xpredict(const Tinn t, const float* in)
{
forewards(t, in);
@ -112,11 +140,11 @@ Tinn xtbuild(int nips, int nhid, int nops)
// Tinn only supports one hidden layer so there are two biases.
t.nb = 2;
t.nw = nhid * (nips + nops);
assert(t.w = (float*) calloc(t.nw, sizeof(*t.w)));
t.w = (float*) ecalloc(t.nw, sizeof(*t.w));
t.x = t.w + nhid * nips;
assert(t.b = (float*) calloc(t.nb, sizeof(*t.b)));
assert(t.h = (float*) calloc(nhid, sizeof(*t.h)));
assert(t.o = (float*) calloc(nops, sizeof(*t.o)));
t.b = (float*) ecalloc(t.nb, sizeof(*t.b));
t.h = (float*) ecalloc(nhid, sizeof(*t.h));
t.o = (float*) ecalloc(nops, sizeof(*t.o));
t.nips = nips;
t.nhid = nhid;
t.nops = nops;
@ -126,8 +154,7 @@ Tinn xtbuild(int nips, int nhid, int nops)
void xtsave(const Tinn t, const char* path)
{
FILE* file;
assert(file = fopen(path, "w"));
FILE* file = efopen(path, "w");
// Header.
fprintf(file, "%d %d %d\n", t.nips, t.nhid, t.nops);
// Biases and weights.
@ -138,8 +165,7 @@ void xtsave(const Tinn t, const char* path)
Tinn xtload(const char* path)
{
FILE* file;
assert(file = fopen(path, "r"));
FILE* file = efopen(path, "r");
int nips = 0;
int nhid = 0;
int nops = 0;