chore: explicitly compile div op

.github/workflows/rust.yml

@@ -207,23 +207,6 @@ jobs:
         #   AR=/opt/homebrew/opt/llvm/bin/llvm-ar CC=/opt/homebrew/opt/llvm/bin/clang wasm-pack test --firefox --headless -- -Z build-std="panic_abort,std" --features web
         run: wasm-pack test --chrome --headless -- -Z build-std="panic_abort,std" --features web
 
-  tutorial:
-    runs-on: ubuntu-latest
-    needs: [build, library-tests, docs, python-tests, python-integration-tests]
-    steps:
-      - uses: actions/checkout@v4
-      - uses: actions-rs/toolchain@v1
-        with:
-          toolchain: nightly-2024-07-18
-          override: true
-          components: rustfmt, clippy
-      - uses: baptiste0928/cargo-install@v1
-        with:
-          crate: cargo-nextest
-          locked: true
-      - name: Circuit Render
-        run: cargo nextest run --release --verbose tests::tutorial_
-
   mock-proving-tests:
     runs-on: non-gpu
     needs: [build, library-tests, docs, python-tests, python-integration-tests]
@@ -494,23 +477,23 @@ jobs:
       - name: Mock aggr tests (KZG)
         run: cargo nextest run --release --verbose tests_aggr::kzg_aggr_mock_prove_and_verify_  --test-threads 8
 
-  prove-and-verify-aggr-tests-gpu:
-    runs-on: GPU
-    env:
-      ENABLE_ICICLE_GPU: true
-    steps:
-      - uses: actions/checkout@v4
-      - uses: actions-rs/toolchain@v1
-        with:
-          toolchain: nightly-2024-07-18
-          override: true
-          components: rustfmt, clippy
-      - uses: baptiste0928/cargo-install@v1
-        with:
-          crate: cargo-nextest
-          locked: true
-      - name: KZG )tests
-        run: cargo nextest run --verbose tests_aggr::kzg_aggr_prove_and_verify_  --features icicle --test-threads 1 -- --include-ignored
+  # prove-and-verify-aggr-tests-gpu:
+  #   runs-on: GPU
+  #   env:
+  #     ENABLE_ICICLE_GPU: true
+  #   steps:
+  #     - uses: actions/checkout@v4
+  #     - uses: actions-rs/toolchain@v1
+  #       with:
+  #         toolchain: nightly-2024-07-18
+  #         override: true
+  #         components: rustfmt, clippy
+  #     - uses: baptiste0928/cargo-install@v1
+  #       with:
+  #         crate: cargo-nextest
+  #         locked: true
+  #     - name: KZG tests
+  #       run: cargo nextest run --verbose tests_aggr::kzg_aggr_prove_and_verify_  --features icicle --test-threads 1 -- --include-ignored
 
   prove-and-verify-aggr-tests:
     runs-on: large-self-hosted
@@ -614,8 +597,6 @@ jobs:
         run: python -m venv .env --clear; source .env/bin/activate; pip install -r requirements.txt;
       - name: Build python ezkl
         run: source .env/bin/activate; unset CONDA_PREFIX; maturin develop --features python-bindings --release
-      - name: Div rebase
-        run: source .env/bin/activate; cargo nextest run --release --verbose tests::accuracy_measurement_div_rebase_
       - name: Public inputs
         run: source .env/bin/activate; cargo nextest run --release --verbose tests::accuracy_measurement_public_inputs_
       - name: fixed params

src/graph/utilities.rs

@@ -1155,6 +1155,41 @@ pub fn new_op_from_onnx(
                 }
             }
         }
+        "Div" => {
+            let const_idx = inputs
+                .iter()
+                .enumerate()
+                .filter(|(_, n)| n.is_constant())
+                .map(|(i, _)| i)
+                .collect::<Vec<_>>();
+
+            if const_idx.len() > 1 {
+                return Err(GraphError::InvalidDims(idx, "div".to_string()));
+            }
+
+            let const_idx = const_idx[0];
+
+            if const_idx != 1 {
+                unimplemented!("only support div with constant as second input")
+            }
+
+            if let Some(c) = inputs[const_idx].opkind().get_mutable_constant() {
+                if c.raw_values.len() == 1 && c.raw_values[0] != 0. {
+                    inputs[const_idx].decrement_use();
+                    deleted_indices.push(const_idx);
+                    // get the non constant index
+                    let denom = c.raw_values[0];
+
+                    SupportedOp::Hybrid(HybridOp::Div {
+                        denom: denom.into(),
+                    })
+                } else {
+                    unimplemented!("only support non zero divisors of size 1")
+                }
+            } else {
+                unimplemented!("only support div with constant as second input")
+            }
+        }
         "Cube" => SupportedOp::Linear(PolyOp::Pow(3)),
         "Square" => SupportedOp::Linear(PolyOp::Pow(2)),
         "Conv" => {

tests/integration_tests.rs

@@ -492,7 +492,7 @@ mod native_tests {
             #[cfg(feature="icicle")]
             seq!(N in 0..=2 {
             #(#[test_case(TESTS_AGGR[N])])*
-            fn aggr_prove_and_verify_(test: &str) {
+            fn kzg_aggr_prove_and_verify_(test: &str) {
                 crate::native_tests::init_binary();
                 let test_dir = TempDir::new(test).unwrap();
                 let path = test_dir.path().to_str().unwrap(); crate::native_tests::mv_test_(test_dir.path().to_str().unwrap(), test);