From 20e247e31fb40bf2228a2ed84b93896fc48b5eff Mon Sep 17 00:00:00 2001 From: Jacob McDonnell Date: Sat, 4 Apr 2026 17:41:01 -0400 Subject: 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. --- src/main.c | 61 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 61 insertions(+) create mode 100644 src/main.c (limited to 'src/main.c') 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 +#include +#include +#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; +} -- cgit v1.2.3