MIsc. source and comment typos

Found using `codespell` and `grep` from downstream FreeCAD

bench/analyze-blocking-sizes.cpp

@@ -825,7 +825,7 @@ int main(int argc, char* argv[])
   }
   for (int i = 1; i < argc; i++) {
     bool arg_handled = false;
-    // Step 1. Try to match action invokation names.
+    // Step 1. Try to match action invocation names.
     for (auto it = available_actions.begin(); it != available_actions.end(); ++it) {
       if (!strcmp(argv[i], (*it)->invokation_name())) {
         if (!action) {

bench/btl/README

@@ -36,7 +36,7 @@ For instance:
 
 You can also select a given set of actions defining the environment variable BTL_CONFIG this way:
   BTL_CONFIG="-a action1{:action2}*" ctest -V
-An exemple:
+An example:
   BTL_CONFIG="-a axpy:vector_matrix:trisolve:ata" ctest -V -R eigen2
 
 Finally, if bench results already exist (the bench*.dat files) then they merges by keeping the best for each matrix size. If you want to overwrite the previous ones you can simply add the "--overwrite" option:

bench/btl/generic_bench/bench.hh

@@ -159,7 +159,7 @@ BTL_DONT_INLINE void bench( int size_min, int size_max, int nb_point ){
 //    bench<Mixed_Perf_Analyzer,Action>(size_min,size_max,nb_point);
 
 
-  // Only for small problem size. Otherwize it will be too long
+  // Only for small problem size. Otherwise it will be too long
 //   bench<X86_Perf_Analyzer,Action>(size_min,size_max,nb_point);
 //   bench<STL_Perf_Analyzer,Action>(size_min,size_max,nb_point);
 

bench/btl/generic_bench/utils/size_log.hh

@@ -23,7 +23,7 @@
 #include "math.h"
 // The Vector class must satisfy the following part of STL vector concept :
 //            resize() method
-//            [] operator for seting element
+//            [] operator for setting element
 // the vector element are int compatible.
 template<class Vector>
 void size_log(const int nb_point, const int size_min, const int size_max, Vector & X)

bench/btl/generic_bench/utils/xy_file.hh

@@ -55,7 +55,7 @@ bool read_xy_file(const std::string & filename, std::vector<int> & tab_sizes,
 
 // The Vector class must satisfy the following part of STL vector concept :
 //            resize() method
-//            [] operator for seting element
+//            [] operator for setting element
 // the vector element must have the << operator define
 
 using namespace std;

bench/btl/libs/ublas/ublas_interface.hh

@@ -100,7 +100,7 @@ public :
     Y+=coef*X;
   }
 
-  // alias free assignements
+  // alias free assignments
 
   static inline void matrix_vector_product(gene_matrix & A, gene_vector & B, gene_vector & X, int N){
     X.assign(prod(A,B));

bench/eig33.cpp

@@ -101,7 +101,7 @@ void eigen33(const Matrix& mat, Matrix& evecs, Vector& evals)
   computeRoots(scaledMat,evals);
 
   // compute the eigen vectors
-  // **here we assume 3 differents eigenvalues**
+  // **here we assume 3 different eigenvalues**
 
   // "optimized version" which appears to be slower with gcc!
 //     Vector base;

bench/spbench/spbenchsolver.cpp

@@ -54,7 +54,7 @@ int main(int argc, char ** args)
       statbuf.close();
     }
     else
-      std::cerr << "Unable to open the provided file for writting... \n";
+      std::cerr << "Unable to open the provided file for writing... \n";
   }       
   
   // Get the maximum number of iterations and the tolerance