feat: Producing a Readable MAT-File

Producing a readable MAT-File of a 1x5 Array of doubles. The file is
somewhat manually generated, but currently works.

1 files changed, 61 insertions, 0 deletions

diff --git a/src/main.c b/src/main.c
new file mode 100644
index 0000000..9b6d69d
--- /dev/null
+++ b/src/main.c
@@ -0,0 +1,61 @@
+#include <stdio.h>
+#include <assert.h>
+#include <string.h>
+#include "matfile.h"
+
+double floats[5] = {0.0, 1.0, 3.14, 2.72, 5.5};
+
+int main(void) {
+	FILE *fp = fopen("test.mat", "w");
+	if (fp == NULL) {
+		perror("fopen");
+		return -1;
+	}
+	
+	// Write File Header
+	assert(write_header(fp));
+
+	// Setup Array Dimensions
+	int32_t dims[2] = {1, 5};
+	mData_t dim_data;
+	dim_data.data = (void *)&dims;
+	dim_data.tag.type = miINT32;
+	dim_data.tag.size = 8;
+
+	// Array Flags
+	mArrayFlags_t flags;
+	memset(&flags, 0, sizeof(flags));
+	flags.global = 0;
+	flags.complex = 0;
+	flags.logical = 0;
+	flags.class = mxDOUBLE_CLASS;
+
+	mData_t flags_data;
+	flags_data.tag.type = miUINT32;
+	flags_data.tag.size = 8;
+	flags_data.data = (void *)&flags;
+
+	// Name
+	mSmallData_t name;
+	name.tag.type = miINT8;
+	name.tag.size = 1;
+	name.data = 'A';
+
+	mData_t data;
+	data.tag.type = miDOUBLE;
+	data.tag.size = sizeof(floats);
+	data.data = (void *)floats;
+
+	mTag_t array;
+	array.type = miMATRIX;
+	array.size = 96;
+
+	fwrite((void *)&array, 1, sizeof(array), fp);
+	write_data(fp, flags_data);
+	write_data(fp, dim_data);
+	write_small_data(fp, name);
+	write_data(fp, data);
+
+	fclose(fp);
+	return 0;
+}