{
int i,n;
- // These two lines are to avoid a -1 subtraction in the main loop
+ // This line is to avoid a +1 subtraction in the main loop.
filter_length++;
- filter_coeffs--;
for(n=0; n<buffer_length; n++)
{
int sum = rounder;
for(i=1; i<filter_length; i++)
- sum -= filter_coeffs[i] * out[n-i];
+ sum -= filter_coeffs[i-1] * out[n-i];
sum = (sum >> 12) + in[n];
{
int i,n;
- // These two lines are to avoid a -1 subtraction in the main loop
+ // This line is to avoid a +1 subtraction in the main loop
filter_length++;
- filter_coeffs--;
for(n=0; n<buffer_length; n++)
{
out[n] = in[n];
for(i=1; i<filter_length; i++)
- out[n] -= filter_coeffs[i] * out[n-i];
+ out[n] -= filter_coeffs[i-1] * out[n-i];
}
}