ggml : change ggml_scale to take a float instead of tensor (#4573)

* ggml : change ggml_scale to take a float instead of tensor

* ggml : fix CPU implementation

* tests : fix test-grad0

ggml-ci

1 files changed, 5 insertions, 4 deletions

diff --git a/tests/test-backend-ops.cpp b/tests/test-backend-ops.cpp
index f04b9438..f3df8a8c 100644
--- a/tests/test-backend-ops.cpp
+++ b/tests/test-backend-ops.cpp
@@ -766,18 +766,19 @@ struct test_bin_bcast : public test_case {
 struct test_scale : public test_case {
     const ggml_type type;
     const std::array<int64_t, 4> ne;
+    float scale;
 
     std::string vars() override {
-        return VARS_TO_STR2(type, ne);
+        return VARS_TO_STR3(type, ne, scale);
     }
 
     test_scale(ggml_type type = GGML_TYPE_F32,
-            std::array<int64_t, 4> ne = {10, 10, 10, 10})
-        : type(type), ne(ne) {}
+            std::array<int64_t, 4> ne = {10, 10, 10, 10},
+            float scale = 2.0f)
+        : type(type), ne(ne), scale(scale) {}
 
     ggml_tensor * build_graph(ggml_context * ctx) override {
         ggml_tensor * a = ggml_new_tensor(ctx, type, 4, ne.data());
-        ggml_tensor * scale = ggml_new_tensor_1d(ctx, type, 1);
         ggml_tensor * out = ggml_scale(ctx, a, scale);
         return out;
     }