added a verify command to our makefile. so for future variants we can just use...

README.md

@@ -108,6 +108,16 @@ make test
 
 Compiles and runs all unit tests.
 
+```bash
+make verify
+```
+
+Runs the simulation with the reference parameters and compares the output to `reference/baseline_n60_i4000.csv` using `verify.py`. Useful to check that a variant gives the same result as the baseline:
+
+```bash
+make verify VARIANT=v1_cutoff
+```
+
 ```bash
 make asm
 ```
@@ -356,12 +366,12 @@ make test VARIANT=v1_cutoff
 make run-bench VARIANT=v1_cutoff N_P=100 N_ITER=10000
 ```
 ### Verifying correctness
-A reference CSV is stored in reference/baseline_n60_i4000.csv. To verify that a variant produces the same simulation output:
+A reference CSV is stored in `reference/baseline_n60_i4000.csv`. To check that a variant produces the same simulation output, run:
+
 ```bash
-make run VARIANT=v1_cutoff N_P=60 N_ITER=4000 CSV=test_output.csv
-diff reference/baseline_n60_i4000.csv test_output.csv
+make verify VARIANT=v1_cutoff
 ```
-If the variant changes numerical results (e.g., distance cutoff skipping negligible forces), use a tolerance-based comparison instead of exact diff and justify the deviation.
+If the variant changes numerical results (e.g., distance cutoff skipping negligible forces), use a tolerance-based comparison (use the python script with a third argument (tolerance)) instead of exact diff and justify the deviation.
 
 
 ---