Hi Luiz,
> This enables high precision using 64 bits accumulators by default which
> can be disabled with --disable-high-precision.
> ---
> configure.ac | 8 ++++++++
> sbc/sbc_tables.h | 2 --
> 2 files changed, 8 insertions(+), 2 deletions(-)
>
> diff --git a/configure.ac b/configure.ac
> index c052616..5f994d1 100644
> --- a/configure.ac
> +++ b/configure.ac
> @@ -58,4 +58,12 @@ if (test "${enable_tester}" != "no"); then
> fi
> AM_CONDITIONAL(TESTER, test "${enable_tester}" != "no")
>
> +AC_ARG_ENABLE(high-precision, AC_HELP_STRING([--disable-high-precision],
> + [disable high precision support]),
> + [enable_high_precision=${enableval}])
> +if (test "${enable_high_precision}" != "no"); then
> + AC_DEFINE(SBC_HIGH_PRECISION, 1,
> + [Define to 1 to enable high precision build of SBC encoder])
> +fi
> +
> AC_OUTPUT(Makefile sbc/sbc.pc)
> diff --git a/sbc/sbc_tables.h b/sbc/sbc_tables.h
> index 25e24e6..3fd80e1 100644
> --- a/sbc/sbc_tables.h
> +++ b/sbc/sbc_tables.h
> @@ -136,8 +136,6 @@ static const int32_t synmatrix8[16][8] = {
> SN8(0xfb8e3130), SN8(0xf8275a10), SN8(0xfe70747c), SN8(0x06a6d988) }
> };
>
> -/* Uncomment the following line to enable high precision build of SBC encoder */
> -
> /* #define SBC_HIGH_PRECISION */
the comment with the define should also be removed.
Is there any impact on using 64-bit integers compared to 32-bit integers. When would you use one or the other. I think this needs to be documented in README as well.
Regards
Marcel
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