* Left-shift each value in an array by a specified amount.
* @param tab input array
* @param n number of values in the array
- * @param lshift left shift amount. a negative value means right shift.
+ * @param lshift left shift amount
*/
-static void lshift_tab(int16_t *tab, int n, int lshift)
+static void lshift_tab(int16_t *tab, int n, unsigned int lshift)
{
int i;
if (lshift > 0) {
for (i = 0; i < n; i++)
tab[i] <<= lshift;
- } else if (lshift < 0) {
- lshift = -lshift;
- for (i = 0; i < n; i++)
- tab[i] >>= lshift;
}
}