From f86f209b3370be54ec0870186ab1b9d8988736eb Mon Sep 17 00:00:00 2001 From: Martin Braun Date: Wed, 4 Jan 2017 07:36:51 -0800 Subject: utils: Fixed minor rounding issue in gain_group --- host/lib/utils/gain_group.cpp | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) (limited to 'host') diff --git a/host/lib/utils/gain_group.cpp b/host/lib/utils/gain_group.cpp index 9428702d1..71caf33be 100644 --- a/host/lib/utils/gain_group.cpp +++ b/host/lib/utils/gain_group.cpp @@ -39,7 +39,7 @@ static bool compare_by_step_size( * * Due to small doubleing-point inaccuracies: * num = n*step + e, where e is a small inaccuracy. - * When e is negative, floor would yeild (n-1)*step, + * When e is negative, floor would yield (n-1)*step, * despite that n*step is really the desired result. * This function is designed to mitigate that issue. * @@ -49,7 +49,11 @@ static bool compare_by_step_size( * \return a multiple of step approximating num */ template static T floor_step(T num, T step, T e = T(0.001)){ - return step*int(num/step + e); + if (num < T(0)) { + return step*int(num/step - e); + } else { + return step*int(num/step + e); + } } gain_group::~gain_group(void){ -- cgit v1.2.3