Initial import

git-svn-id: http://moon:8086/svn/software/trunk/libsrc/mlio@1 b431acfa-c32f-4a4a-93f1-934dc6c82436

mlio.c

@@ -0,0 +1,82 @@
+// -----------------------------------------------------------------------------------------
+// mlio.c
+// Input/output for Matlab matrices
+// -----------------------------------------------------------------------------------------
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "mlio.h"
+
+// -----------------------------------------------------------------------------------------
+int mlio_open(mlio_t *pObj, char *pName, unsigned mode)
+{
+
+	pObj->io_mode = mode;
+
+	if (mode == MLIO_READ)
+	{
+		pObj->pFile = fopen(pName, "rb");
+
+		// Read input file
+		if (!pObj->pFile)
+		{
+			fprintf(stderr,"Unable to open input file %s\n", pName);
+			return -1;
+		}
+
+		// Header
+		fread(&pObj->hdr_file.version, 1, sizeof(unsigned), pObj->pFile);
+		fscanf(pObj->pFile, "%s", pObj->hdr_file.prec_typename);
+		fseek(pObj->pFile, 1, SEEK_CUR);
+		fread(&pObj->hdr_data, 1, sizeof(data_hdr_t), pObj->pFile);
+		printf("Rows=%d, Columns=%d, File size=%d bytes\n", pObj->hdr_data.num_row, pObj->hdr_data.num_col, pObj->hdr_data.size);
+
+	}
+	else
+	{
+		pObj->pFile = fopen(pName, "wb");
+
+		// Write output file
+		if (!pObj->pFile)
+		{
+			fprintf(stderr,"Unable to open output file %s\n", pName);
+			return -1;
+		}
+
+	}
+	return 0;
+
+}
+
+int mlio_close(mlio_t *pObj)
+{
+	return fclose(pObj->pFile);
+}
+
+int mlio_read(mlio_t *pObj, double *pData)
+{
+	// Read data
+	fread(pData, pObj->hdr_data.num_row*pObj->hdr_data.num_col, sizeof(double), pObj->pFile);
+
+	return 0;
+
+}
+
+int mlio_write(mlio_t *pObj, double *pData, unsigned num_rows, unsigned num_cols)
+{
+
+	pObj->hdr_data.num_row = num_rows;
+	pObj->hdr_data.num_col = num_cols;
+
+	// Header
+	fwrite(&pObj->hdr_file.version, 1, sizeof(unsigned), pObj->pFile);
+	fprintf(pObj->pFile, "%s\r", pObj->hdr_file.prec_typename);
+	fwrite(&pObj->hdr_data, 1, sizeof(data_hdr_t), pObj->pFile);
+
+	// Write data
+	fwrite(pData, pObj->hdr_data.num_row*pObj->hdr_data.num_col, sizeof(double), pObj->pFile);
+
+	return 0;
+}
+
+// -----------------------------------------------------------------------------------------

mlio.h

@@ -0,0 +1,46 @@
+// -----------------------------------------------------------------------------------------
+// mlio.h
+// Input/output for Matlab matrices
+// 26.02.2005, J. Ahrensfeld
+//
+// -----------------------------------------------------------------------------------------
+#ifndef	MLIO_H
+#define	MLIO_H
+
+// -----------------------------------------------------------------------------------------
+#define	MLIO_READ		1
+#define	MLIO_WRITE		2
+
+// -----------------------------------------------------------------------------------------
+typedef struct _data_hdr_t
+{
+	unsigned num_row, num_col;
+	unsigned size;
+
+} data_hdr_t;
+
+typedef struct _file_hdr_t
+{
+	unsigned version;
+	char prec_typename[32];
+
+} file_hdr_t;
+
+typedef struct _mlio_t
+{
+	FILE *pFile;
+	unsigned io_mode;
+
+	file_hdr_t hdr_file;
+	data_hdr_t hdr_data;
+} mlio_t;
+
+// -----------------------------------------------------------------------------------------
+int mlio_open(mlio_t *pObj, char *pName, unsigned mode);
+int mlio_close(mlio_t *pObj);
+int mlio_read(mlio_t *pObj, double *pData);
+int mlio_write(mlio_t *pObj, double *pData, unsigned num_rows, unsigned num_cols);
+
+// -----------------------------------------------------------------------------------------
+#endif //MLIO_H
+