Minor fixes reported by coverity

include/spm/const.h

@@ -189,7 +189,7 @@ typedef enum spm_normtype_e {
     SpmOneNorm       = 171, /**< One norm:       max_j( sum_i( |a_{ij}| ) )   */
     SpmFrobeniusNorm = 174, /**< Frobenius norm: sqrt( sum_{i,j} (a_{ij}^2) ) */
     SpmInfNorm       = 175, /**< Inifinite norm: max_i( sum_j( |a_{ij}| ) )   */
-    SpmMaxNorm       = 177  /**< Inifinite norm: max_{i,j}( | a_{ij} | )      */
+    SpmMaxNorm       = 177  /**< Max norm:       max_{i,j}( | a_{ij} | )      */
 } spm_normtype_t;
 
 /**

src/spm.c

@@ -321,7 +321,7 @@ spmBase( spmatrix_t *spm,
         }
     }
     if (spm->dofs != NULL) {
-        for (i = 0; i <= n; i++) {
+        for (i = 0; i <= spm->gN; i++) {
             spm->dofs[i] += baseadj;
         }
     }

src/spm_dof_extend.c

@@ -86,8 +86,8 @@ spmDofExtend( const spmatrix_t *spm,
          * Initialize the dofs array where the degree of freedom of vertex i is
          * dof[i+1] - dof[i]
          */
-        *dofptr = baseval;
         if( spm->clustnum == 0 ) {
+            *dofptr = baseval;
             for(i=0; i<spm->gN; i++, dofptr++) {
                 dofi = 1 + ( rand() % dof );
                 dofptr[1] = dofptr[0] + dofi;

src/spm_gather.c

@@ -116,7 +116,7 @@ spm_gather_csx_update( const spmatrix_t *spm,
     for ( c=1; c<spm->clustnbr; c++ ) {
         /* Let's start shifting the value after the first array */
         spm_int_t shift = recvdispls[c];
-        spm_int_t end   = ( c == spm->clustnbr-1 ) ? spm->gN+1 : recvdispls[c+1];
+        spm_int_t end   = ( c < (spm->clustnbr-1) ) ? recvdispls[c+1] : spm->gN+1;
         spm_int_t i;
 
         to_add += recvcounts[c-1];

src/z_spm.h

@@ -64,7 +64,7 @@ int spm_zspmm( spm_side_t             side,
 /**
  * Norm computation routines
  */
-double z_spmNorm( int ntype, const spmatrix_t *spm );
+double z_spmNorm( spm_normtype_t ntype, const spmatrix_t *spm );
 
 /**
  * Extra routines

src/z_spm_norm.c

@@ -386,7 +386,7 @@ z_spmOneNorm( const spmatrix_t *spm )
  *
  *******************************************************************************/
 double
-z_spmNorm( int ntype,
+z_spmNorm( spm_normtype_t    ntype,
            const spmatrix_t *spm )
 {
     double norm = 0.;