gguf : add tensor shape accessor (#24405)

* gguf : add tensor shape accessors

* gguf : return tensor shape as const int64_t *

* gguf : remove n_dims accessor, keep only gguf_get_tensor_ne

ggml/src/gguf.cpp

@@ -1186,6 +1186,11 @@ const char * gguf_get_tensor_name(const struct gguf_context * ctx, int64_t tenso
     return ctx->info[tensor_id].t.name;
 }
 
+const int64_t * gguf_get_tensor_ne(const struct gguf_context * ctx, int64_t tensor_id) {
+    GGML_ASSERT(tensor_id >= 0 && tensor_id < gguf_get_n_tensors(ctx));
+    return ctx->info[tensor_id].t.ne;
+}
+
 enum ggml_type gguf_get_tensor_type(const struct gguf_context * ctx, int64_t tensor_id) {
     GGML_ASSERT(tensor_id >= 0 && tensor_id < gguf_get_n_tensors(ctx));
     return ctx->info[tensor_id].t.type;