From 03f8c2353b4a04678e11b2d39b839fcc6169fc95 Mon Sep 17 00:00:00 2001
From: Keir Mierle <mierle@gmail.com>
Date: Sun, 13 May 2012 16:48:03 -0700
Subject: [PATCH] Fix autodiff test: need at least 1 residual.

---
 internal/ceres/autodiff_test.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/internal/ceres/autodiff_test.cc b/internal/ceres/autodiff_test.cc
index 86861eebd..a9fb833f1 100644
--- a/internal/ceres/autodiff_test.cc
+++ b/internal/ceres/autodiff_test.cc
@@ -361,7 +361,7 @@ TEST(AutoDiff, VaryingNumberOfResidualsForOneCostFunctorType) {
   // residuals.
   VaryingResidualFunctor functor;
 
-  for (int num_residuals = 0; num_residuals < kMaxResiduals; ++num_residuals) {
+  for (int num_residuals = 1; num_residuals < kMaxResiduals; ++num_residuals) {
     // Tweak the number of residuals to produce.
     functor.num_residuals = num_residuals;