feat(hints): add NewHint#13

CHANGELOG.md

@@ -84,6 +84,15 @@
         )
     ```
 
+* Add missing hint on cairo_secp lib [#996](https://github.com/lambdaclass/cairo-rs/pull/996):
+
+    `BuiltinHintProcessor` now supports the following hint:
+
+    ```python
+        from starkware.python.math_utils import div_mod
+        value = x_inv = div_mod(1, x, SECP_P)
+    ```
+
 * Add missing hints on cairo_secp lib [#994](https://github.com/lambdaclass/cairo-rs/pull/994):
 
     `BuiltinHintProcessor` now supports the following hints:

src/hint_processor/builtin_hint_processor/secp/ec_utils.rs

@@ -298,8 +298,11 @@ pub fn quad_bit(
     let scalar_u = scalar_u_cow.as_ref();
 
     // If m is too high the shift result will always be zero
-    let Some(m) = m_cow.as_ref().to_u32() else {
-        return insert_value_from_var_name("quad_bit", 0, vm, ids_data, ap_tracking);
+    let m = match m_cow.as_ref().to_u32() {
+        Some(m) if m <= 252 => m,
+        None | Some(_) => {
+            return insert_value_from_var_name("quad_bit", 0, vm, ids_data, ap_tracking)
+        }
     };
 
     let one = &Felt252::one();

src/tests/cairo_run_test.rs

@@ -1337,6 +1337,13 @@ fn cairo_run_div_mod_n() {
     run_program_simple(program_data.as_slice());
 }
 
+#[test]
+#[cfg_attr(target_arch = "wasm32", wasm_bindgen_test)]
+fn cairo_run_is_zero() {
+    let program_data = include_bytes!("../../cairo_programs/is_zero.json");
+    run_program_simple(program_data.as_slice());
+}
+
 #[test]
 #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test)]
 fn cairo_run_quad_bit() {