diff options
| -rw-r--r-- | host/lib/utils/gain_group.cpp | 8 |
1 files changed, 6 insertions, 2 deletions
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 <typename T> 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){ |