diff options
Diffstat (limited to 'node/RingBuffer.hpp')
| -rw-r--r-- | node/RingBuffer.hpp | 28 |
1 files changed, 14 insertions, 14 deletions
diff --git a/node/RingBuffer.hpp b/node/RingBuffer.hpp index 62f1cf47..cd384749 100644 --- a/node/RingBuffer.hpp +++ b/node/RingBuffer.hpp @@ -226,34 +226,34 @@ public: /** * @return The arithmetic mean of the contents of the buffer */ - T mean() + float mean() { size_t iterator = begin; - T mean = 0; - for (int i=0; i<size; i++) { + float mean = 0; + for (size_t i=0; i<size; i++) { iterator = (iterator + size - 1) % size; mean += *(buf + iterator); } - return count() ? mean / (T)count() : 0; + return count() ? mean / (float)count() : 0; } /** * @return The sample standard deviation of the contents of the ring buffer */ - T stddev() + float stddev() { size_t iterator = begin; - T cached_mean = mean(); + float cached_mean = mean(); if (size) { T sum_of_squared_deviations = 0; - for (int i=0; i<size; i++) { + for (size_t i=0; i<size; i++) { iterator = (iterator + size - 1) % size; - T deviation = (buf[i] - cached_mean); - T sdev = deviation*deviation; + float deviation = (buf[i] - cached_mean); + float sdev = deviation*deviation; sum_of_squared_deviations += sdev; } - T variance = sum_of_squared_deviations / (size - 1); - T sd = sqrt(variance); + float variance = sum_of_squared_deviations / (size - 1); + float sd = sqrt(variance); return sd; } return 0; @@ -266,7 +266,7 @@ public: { size_t iterator = begin; size_t zeros = 0; - for (int i=0; i<size; i++) { + for (size_t i=0; i<size; i++) { iterator = (iterator + size - 1) % size; if (*(buf + iterator) == 0) { zeros++; @@ -283,7 +283,7 @@ public: { size_t iterator = begin; size_t count = 0; - for (int i=0; i<size; i++) { + for (size_t i=0; i<size; i++) { iterator = (iterator + size - 1) % size; if (*(buf + iterator) == value) { count++; @@ -298,7 +298,7 @@ public: void dump() { size_t iterator = begin; - for (int i=0; i<size; i++) { + for (size_t i=0; i<size; i++) { iterator = (iterator + size - 1) % size; if (typeid(T) == typeid(int)) { // DEBUG_INFO("buf[%2zu]=%2d", iterator, (int)*(buf + iterator)); |
