angelos's commit files

tests/graph_optimize_tests.cpp

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+#include "doctest/doctest.h"
+
+#include "mlx/mlx.h"
+
+using namespace mlx::core;
+
+TEST_CASE("test simplify scalars") {
+  auto a = array({-1.0f, 2.0f});
+  auto b = maximum(a, array(0.0f));
+  auto c = maximum(-a, array(0.0f));
+  auto d = b + c;
+  simplify({d});
+  CHECK(b.inputs()[1].id() == c.inputs()[1].id());
+}
+
+TEST_CASE("test simplify") {
+  auto a = array({1.0f, 2.0f});
+  auto b = exp(a) + exp(a);
+  simplify(b);
+  eval(b);
+  CHECK(b.inputs()[0].id() == b.inputs()[1].id());
+}
+
+TEST_CASE("test no simplify") {
+  auto a = array({1.0f, 2.0f});
+  auto b = cos(a) + sin(a);
+  simplify(b);
+  eval(b);
+  CHECK(b.inputs()[0].id() != b.inputs()[1].id());
+}