Update clip.cpp

used try-catch block.
validation is made by checking all the hyperparameters are are positive and logs an error if they are not.
included detailed logging of hyperparameters if needed for debugging.

Author: Tejaakshaykumar

examples/llava/clip.cpp

@@ -1270,6 +1270,7 @@ struct clip_ctx * clip_model_load(const char * fname, const int verbosity = 1) {
         // load vision model
         auto & vision_model = new_clip->vision_model;
         auto & hparams = vision_model.hparams;
+        try{
             hparams.hidden_size    = get_u32(ctx, format(KEY_N_EMBD, "vision"));
             hparams.n_head         = get_u32(ctx, format(KEY_N_HEAD, "vision"));
             hparams.n_intermediate = get_u32(ctx, format(KEY_N_FF, "vision"));
@@ -1278,11 +1279,24 @@ struct clip_ctx * clip_model_load(const char * fname, const int verbosity = 1) {
             hparams.patch_size     = get_u32(ctx, KEY_PATCH_SIZE);
             hparams.projection_dim = get_u32(ctx, format(KEY_PROJ_DIM, "vision"));
             hparams.eps            = get_f32(ctx, format(KEY_LAYER_NORM_EPS, "vision"));
-            if (hparams.hidden_size == 0 || hparams.n_head == 0 || hparams.n_layer == 0 || hparams.n_intermediate == 0 || hparams.image_size == 0 || hparams.patch_size == 0 || hparams.projection_dim == 0 || hparams.eps == 0) {
-                fprintf(stderr, "Error: Invalid hyperparameter values\n");
+            if (hparams.hidden_size <= 0 || hparams.n_head <= 0 || hparams.n_layer <= 0 || hparams.n_intermediate <= 0 || hparams.image_size <= 0 || hparams.patch_size <= 0 || hparams.projection_dim <= 0 || hparams.eps <= 0) {
+                LOG_TEE("Error: Invalid hyperparameter values\n");
                 return false;
             }
-        }
+             // Optionally log loaded hyperparameters for debugging
+            LOG_TEE("Loaded hyperparameters:\n");
+            LOG_TEE("Hidden size: %d\n", hparams.hidden_size);
+            LOG_TEE("Number of heads: %d\n", hparams.n_head);
+            LOG_TEE("Number of intermediate units: %d\n", hparams.n_intermediate);
+            LOG_TEE("Number of layers: %d\n", hparams.n_layer);
+            LOG_TEE("Image size: %d\n", hparams.image_size);
+            LOG_TEE("Patch size: %d\n", hparams.patch_size);
+            LOG_TEE("Projection dimension: %d\n", hparams.projection_dim);
+            LOG_TEE("Layer norm epsilon: %f\n", hparams.eps);
+        } catch (const std::exception& e) {
+            LOG_TEE("Error while loading hyperparameters: %s\n", e.what());
+        }
+        
         try {
             int idx = get_key_idx(ctx, KEY_IMAGE_GRID_PINPOINTS);
             int n = gguf_get_arr_n(ctx, idx);