/* very high freqs : noise */
n = s->block_len - s->coefs_end[bsize];
- mult1 = mult * exponents[((-1 << bsize)) >> esize];
+ mult1 = mult * exponents[(-(1 << bsize)) >> esize];
for (i = 0; i < n; i++) {
*coefs++ = s->noise_table[s->noise_index] * mult1;
s->noise_index = (s->noise_index + 1) & (NOISE_TAB_SIZE - 1);