gcc 9.2 warning in nsga2 fixed

optimizer/extlib/nsga2/nsga2.c

@@ -50,7 +50,7 @@ int main(int argc, char* argv[])
 
      /* other variables */
      int state = -1;
-     char statefile[FILE_NAME_LENGTH];
+     char *statefile;
      int result;
      
      /* reading command line parameters */
@@ -61,7 +61,7 @@ int main(int argc, char* argv[])
      sscanf(argv[3], "%lf", &poll);
 
      /* generate name of statefile */
-     sprintf(statefile, "%ssta", filenamebase);
+     asprintf(&statefile, "%ssta", filenamebase);
 
      /* main loop */
      while (state != 6) /* stop state for selector */

optimizer/extlib/nsga2/nsga2_io.c

@@ -94,7 +94,7 @@ void write_pop(char* filename, pop* pp, int size)
      int i;
      FILE *fp;
 
-     assert(0 <= size <= pp->size);
+     assert(0 <= size || size <= pp->size);
 
      fp = fopen(filename, "w");
      assert(fp != NULL);
@@ -129,4 +129,4 @@ int check_file(char* filename)
           return (0); /* file is ready for writing */
      else
           return (1); /* file is not ready for writing */
-}
+}
\ No newline at end of file