Correct spelling (contiguous, BANS)

Change-Id: I9d3363c3d6e251fbdcf41d6d9635543c7295c3a2

internal/ceres/block_jacobian_writer.h

diff --git a/internal/ceres/block_jacobian_writer.h b/internal/ceres/block_jacobian_writer.h
index 52fa3c4..4ed0e66 100644
--- a/internal/ceres/block_jacobian_writer.h
+++ b/internal/ceres/block_jacobian_writer.h
@@ -79,7 +79,7 @@
   // Stores the position of each residual / parameter jacobian.
   //
   // The block sparse matrix that this writer writes to is stored as a set of
-  // contiguos dense blocks, one after each other; see BlockSparseMatrix. The
+  // contiguous dense blocks, one after each other; see BlockSparseMatrix. The
   // "double* values_" member of the block sparse matrix contains all of these
   // blocks. Given a pointer to the first element of a block and the size of
   // that block, it's possible to write to it.

internal/ceres/corrector.cc

diff --git a/internal/ceres/corrector.cc b/internal/ceres/corrector.cc
index a84c442..a83de9e 100644
--- a/internal/ceres/corrector.cc
+++ b/internal/ceres/corrector.cc
@@ -87,7 +87,7 @@
   // We now require that the first derivative of the loss function be
   // positive only if the second derivative is positive. This is
   // because when the second derivative is non-positive, we do not use
-  // the second order correction suggested by BANS and instead use a
+  // the second order correction suggested by BAMS and instead use a
   // simpler first order strategy which does not use a division by the
   // gradient of the loss function.
   CHECK_GT(rho[1], 0.0);
@@ -111,7 +111,7 @@
 
 void Corrector::CorrectResiduals(const int num_rows, double* residuals) {
   DCHECK(residuals != nullptr);
-  // Equation 11 in BANS.
+  // Equation 11 in BAMS.
   VectorRef(residuals, num_rows) *= residual_scaling_;
 }
 
@@ -128,7 +128,7 @@
     return;
   }
 
-  // Equation 11 in BANS.
+  // Equation 11 in BAMS.
   //
   //  J = sqrt(rho) * (J - alpha^2 r * r' J)
   //

internal/ceres/corrector.h

diff --git a/internal/ceres/corrector.h b/internal/ceres/corrector.h
index b6997b1..37b10d7 100644
--- a/internal/ceres/corrector.h
+++ b/internal/ceres/corrector.h
@@ -30,7 +30,7 @@
 //
 // Class definition for the object that is responsible for applying a
 // second order correction to the Gauss-Newton based on the ideas in
-// BANS by Triggs et al.
+// BAMS by Triggs et al.
 
 #ifndef CERES_INTERNAL_CORRECTOR_H_
 #define CERES_INTERNAL_CORRECTOR_H_
@@ -47,7 +47,7 @@
 // The key idea here is to look at the expressions for the robustified
 // gauss newton approximation and then take its square root to get the
 // corresponding corrections to the residual and jacobian.  For the
-// full expressions see Eq. 10 and 11 in BANS by Triggs et al.
+// full expressions see Eq. 10 and 11 in BAMS by Triggs et al.
 class CERES_NO_EXPORT Corrector {
  public:
   // The constructor takes the squared norm, the value, the first and