79c79
<       rowi = (unsigned *) ((unsigned) rowi + rowsize);
---
>       rowi = (unsigned *) ((unsigned long) rowi + rowsize);
99c99
<   relend = (unsigned *) ((unsigned) R + n*rowsize);
---
>   relend = (unsigned *) ((unsigned long) R + n*rowsize);
114,116c114,116
<       rp = (unsigned *) ((unsigned) rp + rowsize);
<     }
< }
---
>       rp = (unsigned *) ((unsigned long) rp + rowsize);
>     }
> }