From 2196e0a591b9bc254aa95e180adf188fd70ded68 Mon Sep 17 00:00:00 2001
From: uphantom <dengwei.2011@gmail.com>
Date: Mon, 31 Aug 2015 09:01:10 +0800
Subject: transfer nerv to tnet model.

---
 htk_io/tools/nerv_to_tnet.cpp | 89 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 89 insertions(+)
 create mode 100644 htk_io/tools/nerv_to_tnet.cpp

diff --git a/htk_io/tools/nerv_to_tnet.cpp b/htk_io/tools/nerv_to_tnet.cpp
new file mode 100644
index 0000000..91be7db
--- /dev/null
+++ b/htk_io/tools/nerv_to_tnet.cpp
@@ -0,0 +1,89 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string>
+#include <cstring>
+#include <iostream>
+#include <fstream>
+
+char token[1024];
+typedef struct node
+{
+	double **mat;
+	int nrow;
+	int ncol;
+	int index;
+}node;
+
+int main(int argc, char **argv)
+{
+	if (argc != 3)
+    	{   
+        	printf("%s nerv.model.in tnet.model.out\n", argv[0]);
+    	}   
+
+    	freopen(argv[1], "r", stdin);
+    	freopen(argv[2], "w", stdout);
+	node* trans[100], *bp[100];
+	int layers = 0;
+	int i, j, k;
+	char type[128];
+	int idx = 0;
+	char *flag = "affine";
+	while (NULL != gets(token))
+    	{   
+        	int nrow, ncol;
+		if (token[0] == '{')
+		{
+			char *ss = strstr(token, flag);	
+    			if (sscanf(ss, "affine%d_%[a-z]", &idx, type) == 2)
+			{
+				node *no = new node;
+				scanf("%d %d", &nrow, &ncol);	
+				no->nrow = nrow;
+				no->ncol = ncol;
+				no->index = idx;
+				no->mat = (double **)malloc(nrow * sizeof(double *));
+				for (i = 0; i < nrow; i++)
+                		no->mat[i] = (double *)malloc(ncol * sizeof(double));
+                		for (i = 0; i < nrow; i++)
+            				for (j = 0; j < ncol; j++)
+                    			scanf("%lf", no->mat[i] + j);
+				
+				if (nrow == 1)
+					bp[idx] = no;
+				else
+					trans[idx] = no;		
+				layers++;
+			}
+		}
+	}
+	if (layers%2)
+	{
+		perror("number layers of LinearTrans and Bias is not the same.\n");
+		return -1;
+	}
+
+	layers /= 2;
+	for (i = 0; i < layers; i++)
+	{
+		printf("<biasedlinearity> %d %d\n", trans[i]->ncol, trans[i]->nrow);
+		printf("m %d %d\n", trans[i]->ncol, trans[i]->nrow);
+		for (j = 0; j < trans[i]->ncol; j++)
+		{
+			for (k = 0; k < trans[i]->nrow; k++)
+				printf("%.10lf ", trans[i]->mat[k][j]);		
+			printf("\n");
+		}
+		printf("v %d", bp[i]->ncol);	
+		for (j = 0; j < bp[i]->ncol; j++)
+			printf(" %.10lf", bp[i]->mat[0][j]);
+		printf("\n");	
+		if (i != layers - 1 && trans[i+1]->ncol < trans[i+1]->nrow)
+		printf("<sigmoid> %d %d\n", bp[i]->ncol, bp[i]->ncol);
+	}
+	printf("<softmax> %d %d\n", bp[layers - 1]->ncol, bp[layers - 1]->ncol);
+	perror("done!\n");
+
+	return 0;
+}
+
-- 
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