poly_conv
*out_ptr++ = double2short(up * poly_conv(coef + coef_offset,
*out_ptr++ = double2short(up * (poly_conv(coef + j,
order - j, up, in_buf, i) + poly_conv(
*out_ptr++ = double2short(up * (poly_conv(coef + j,
order - j, up, in_buf, size) + poly_conv(
*out++ = double2short(up * poly_conv(coef + coef_offset,
*out++ = double2short(up * (poly_conv(coef + j,
order - j, up, in_buf, i) + poly_conv(
*out++ = double2short(up * (poly_conv(coef + j, order - j, up,
in_buf, size) + poly_conv(coef + coef_offset,