jacobian

commit 186ad23e9ad1c17724c75d03a32b4a790d27c287
parent 596a70cc776ee327ad936880b664d0a48e37ce08
Author: David Freifeld <freifeld.david@gmail.com>
Date:   Sat, 26 Sep 2020 19:42:30 -0700

Added exceptions and more

Diffstat:
M
src/bpnn.cpp
 | 
1
-
M
src/data.cpp
 | 
8
++++----

2 files changed, 4 insertions(+), 5 deletions(-)
diff --git a/src/bpnn.cpp b/src/bpnn.cpp
@@ -76,7 +76,6 @@ Network::Network(char* path, int batch_sz, float learn_rate, float bias_rate, Re
 {
     Expects(batch_size > 0 && learning_rate > 0 &&
             bias_rate > 0 && l >= 0 && ratio >= 0 && ratio <= 1);
-    printf("Hi\n");
     int total_instances = prep_file(path, SHUFFLED_PATH);
     val_instances = split_file(SHUFFLED_PATH, total_instances, ratio);
     prep(TRAIN_PATH, TRAIN_BIN_PATH);
diff --git a/src/data.cpp b/src/data.cpp
@@ -16,9 +16,7 @@ void prep(char* rname, char* wname)
 {
     FILE* wptr = fopen(wname, "wb");
     int fd = open(rname, O_RDONLY | O_NONBLOCK);
-    if(fd == -1) {
-        printf("fd == -1\n");
-    }
+    if(fd == -1) throw std::runtime_error{"prep() could not open file for binary translation."};
     float tmp;
     char buf[BUFFER_SIZE + 1];
     while(size_t bytes_read = read(fd, buf, BUFFER_SIZE))
@@ -47,7 +45,7 @@ int Network::next_batch(int fd)
         if (!bytes_read) break;
         for(char *p = buf; p < buf+BUFFER_SIZE && lines < 10;) {
             for (int i=0; i<layers[0].contents->cols(); ++i) {
-                printf("%f\n", *((float*)p));
+                printf("%llx %f\n", *((int*)p), *((float*)p));
                 (*layers[0].contents)(lines,i) = *((float*)p);
                 p += sizeof(float);
             }
@@ -63,6 +61,7 @@ int Network::next_batch(int fd)
 int prep_file(char* path, char* out_path)
 {
     FILE* rptr = fopen(path, "r");
+    if (!rptr) throw std::runtime_error{"prep_file() could not open file for shuffle/read."};
     char line[MAXLINE];
     std::vector<std::string> lines;
     int count = 0;
@@ -87,6 +86,7 @@ int prep_file(char* path, char* out_path)
 int split_file(char* path, int lines, float ratio)
 {
     FILE* src = fopen(path, "r");
+    if (!src) throw std::runtime_error{"split_file() could not open file for split."};
     FILE* test = fopen(VAL_PATH, "w");
     FILE* train = fopen(TRAIN_PATH, "w");
     int switch_line = round(ratio * lines);