Function ggml_sub_or_set

ggml.c:15395–15401

}

static struct ggml_tensor * ggml_sub_or_set(struct ggml_context * ctx, struct ggml_tensor * a, struct ggml_tensor * b, struct ggml_hash_set zero_table) {
    if (ggml_hash_contains(zero_table, a)) {
        return ggml_neg(ctx, b);
    } else {
        return ggml_sub_impl(ctx, a, b, false);
    }
}

static void ggml_compute_backward(struct ggml_context * ctx, struct ggml_tensor * tensor, struct ggml_hash_set zero_table) {
    struct ggml_tensor * src0 = tensor->src[0];