Fix affine forward-mode lit check

enzyme/test/MLIR/ForwardMode/affine.mlir

diff --git a/enzyme/test/MLIR/ForwardMode/affine.mlir b/enzyme/test/MLIR/ForwardMode/affine.mlir
index d0bcf1a..6be3258 100644
--- a/enzyme/test/MLIR/ForwardMode/affine.mlir
+++ b/enzyme/test/MLIR/ForwardMode/affine.mlir
@@ -18,7 +18,7 @@
   // CHECK-DAG: %[[TEN:.+]] = arith.constant 1.000000e+01 : f64
   // CHECK-DAG: %[[ZERO:.+]] = arith.constant 0.000000e+00 : f64
   // CHECK: %[[r0:.+]]:2 = affine.for %{{.*}} = 0 to 10 iter_args(%[[arg3:.+]] = %[[TEN]], %[[arg4:.+]] = %[[ZERO]]) -> (f64, f64) {
-  // CHECK:   %[[v1:.+]] = arith.addf %[[arg4]], %[[arg1]] : f64
+  // CHECK:   %[[v1:.+]] = arith.addf %[[arg4]], %[[arg1]] fastmath<fast> : f64
   // CHECK:   %[[v2:.+]] = arith.addf %[[arg3]], %[[arg0]] : f64
   // CHECK:   affine.yield %[[v2]], %[[v1]] : f64, f64
   // CHECK: }