Typo fixes

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@50371 15284696-431f-4ddb-bdfa-cd5b030d7da7

lib/gpde/N_arrays_calc.c

@@ -275,7 +275,7 @@ void N_calc_array_2d_stats(N_array_2d * a, double *min, double *max,
 
 
 /*!
- * \brief Performe calculations with two input arrays, 
+ * \brief Perform calculations with two input arrays, 
  * the result is written to a third array.
  *
  * All arrays must have equal sizes and offsets.
@@ -703,7 +703,7 @@ void N_calc_array_3d_stats(N_array_3d * a, double *min, double *max,
 }
 
 /*!
- * \brief Performe calculations with two input arrays, 
+ * \brief Perform calculations with two input arrays, 
  * the result is written to a third array.
  *
  * All arrays must have equal sizes and offsets.

lib/gpde/N_les_assemble.c

@@ -571,7 +571,7 @@ N_les *N_assemble_les_2d_param(int les_type, N_geom_data * geom,
     G_debug(2,
 	    "N_assemble_les_2d: starting to assemble the linear equation system");
 
-    /* At first count the number of valid cells and save the 
+    /* At first count the number of valid cells and save 
      * each number in a new 2d array. Those numbers are used 
      * to create the linear equation system.
      * */
@@ -820,7 +820,7 @@ int N_les_integrate_dirichlet_2d(N_les * les, N_geom_data * geom,
 
 #pragma omp parallel default(shared)
     {
-	/*performe the matrix vector product and */
+	/*perform the matrix vector product and */
 	if (les->type == N_SPARSE_LES)
 	    G_math_Ax_sparse(les->Asp, dvect1, dvect2, les->rows);
 	else
@@ -1277,7 +1277,7 @@ int N_les_integrate_dirichlet_3d(N_les * les, N_geom_data * geom,
 
 #pragma omp parallel default(shared)
     {
-	/*performe the matrix vector product and */
+	/*perform the matrix vector product and */
 	if (les->type == N_SPARSE_LES)
 	    G_math_Ax_sparse(les->Asp, dvect1, dvect2, les->rows);
 	else

lib/gpde/gpdelib.dox

@@ -209,7 +209,7 @@ void #N_print_array_2d (N_array_2d * data);
 Compute the norm of two arrays<br>
 double #N_norm_array_2d (N_array_2d * array1, N_array_2d * array2, int type);
 <p>
-Performe some basic mathematical operations with two arrays<br>
+Perform some basic mathematical operations with two arrays<br>
 N_array_2d * #N_math_array_2d (N_array_2d * array1, N_array_2d * array2, N_array_2d * result, int type);
 <p>
 Convert all null values to zero<br>
@@ -279,7 +279,7 @@ void #N_print_array_3d (N_array_3d * data);
 Compute the norm of two arrays<br>
 double #N_norm_array_3d (N_array_3d * array1, N_array_3d * array2, int type);
 <p>
-Performe some basic mathematical operations with two arrays<br>
+Perform some basic mathematical operations with two arrays<br>
 N_array_3d * #N_math_array_3d (N_array_3d * array1, N_array_3d * array2, N_array_3d * result, int type);
 <p>
 Convert all null values to zero<br>
@@ -592,7 +592,7 @@ double #N_exp_upwinding(double vector, double distance, double D)
 
 To compute and manage gradient and vector field data, specific data structures with access and management functions
 are implemented. Gradient and vector field data is often needed in transport calculation like solute/heat transport
-or navier stokes equations. The following  structures and functions provide a concient way to performe 
+or navier stokes equations. The following  structures and functions provide a concient way to perform
 gradient and vector field calculations.
 <p>