Lint changes from William Rucklidge.

Change-Id: I5a9683333fbab189058076cb2053f8f7afc7096a

examples/bundle_adjuster.cc

diff --git a/examples/bundle_adjuster.cc b/examples/bundle_adjuster.cc
index e64fdb5..696aa58 100644
--- a/examples/bundle_adjuster.cc
+++ b/examples/bundle_adjuster.cc
@@ -122,7 +122,7 @@
             "algorithm.");
 DEFINE_string(initial_ply, "", "Export the BAL file data as a PLY file.");
 DEFINE_string(final_ply, "", "Export the refined BAL file data as a PLY "
-            "file.");
+              "file.");
 
 namespace ceres {
 namespace examples {

include/ceres/jet.h

diff --git a/include/ceres/jet.h b/include/ceres/jet.h
index 87197ad..1704c49 100644
--- a/include/ceres/jet.h
+++ b/include/ceres/jet.h
@@ -616,7 +616,7 @@
     if (g.a > 1) {
       return Jet<T, N>(T(0.0));
     }
-    return Jet<T, N>(T(0.0), f.v);
+    return f;
   }
   // Handle the generic case for f != 0. We also handle f == 0, g < 1 here and
   // allow the log() function to generate -HUGE_VAL, since this results in a

internal/ceres/jet_test.cc

diff --git a/internal/ceres/jet_test.cc b/internal/ceres/jet_test.cc
index 394dbb8..589fa56 100644
--- a/internal/ceres/jet_test.cc
+++ b/internal/ceres/jet_test.cc
@@ -244,7 +244,7 @@
     ExpectJetsClose(v, u);
   }
 
-  { // Check that pow(0,y) == 1 for y>1, with both arguments Jets.
+  { // Check that pow(0, y) == 0 for y > 1, with both arguments Jets.
     // This tests special case handling inside pow().
     J a = MakeJet(0, 1, 2);
     J b = MakeJet(2, 3, 4);
@@ -256,7 +256,7 @@
     ExpectJetsClose(c, MakeJet(0, 0, 0));
   }
 
-  { // Check that pow(0,y) == 1 for y==1, with both arguments Jets.
+  { // Check that pow(0, y) == 0 for y == 1, with both arguments Jets.
     // This tests special case handling inside pow().
     J a = MakeJet(0, 1, 2);
     J b = MakeJet(1, 3, 4);
@@ -268,10 +268,10 @@
     ExpectJetsClose(c, MakeJet(0, 1, 2));
   }
 
-  { // Check that pow(0,<1) is not finite, with both arguments Jets.
+  { // Check that pow(0, <1) is not finite, with both arguments Jets.
     for (int i = 1; i < 10; i++) {
       J a = MakeJet(0, 1, 2);
-      J b = MakeJet(i*0.1, 3, 4);       // b=0.1 ... 0.9
+      J b = MakeJet(i*0.1, 3, 4);       // b = 0.1 ... 0.9
       VL << "a = " << a;
       VL << "b = " << b;
 
@@ -283,7 +283,7 @@
     }
     for (int i = -10; i < 0; i++) {
       J a = MakeJet(0, 1, 2);
-      J b = MakeJet(i*0.1, 3, 4);       // b=-1,-0.9 ... 0
+      J b = MakeJet(i*0.1, 3, 4);       // b = -0.1,-0.9 ... 0
       VL << "a = " << a;
       VL << "b = " << b;
 
@@ -293,8 +293,9 @@
       EXPECT_FALSE(IsFinite(c.v[0]));
       EXPECT_FALSE(IsFinite(c.v[1]));
     }
+
     {
-      // The special case of 0^0=1 defined by the C standard.
+      // The special case of 0^0 = 1 defined by the C standard.
       J a = MakeJet(0, 1, 2);
       J b = MakeJet(0, 3, 4);
       VL << "a = " << a;
@@ -308,8 +309,9 @@
     }
   }
 
-  { // Check that pow(0,y) == 1 for y==2, with the second argument a Jets.
-    // This tests special case handling inside pow().
+  {
+    // Check that pow(0,y) == 0 for y == 2, with the second argument a
+    // Jet.  This tests special case handling inside pow().
     double a = 0;
     J b = MakeJet(2, 3, 4);
     VL << "a = " << a;