1 files changed, 0 insertions, 44 deletions
diff --git a/src/ipa/raspberrypi/controller/histogram.hpp b/src/ipa/raspberrypi/controller/histogram.hpp
deleted file mode 100644
index 90f5ac78..00000000
--- a/src/ipa/raspberrypi/controller/histogram.hpp
+++ /dev/null
@@ -1,44 +0,0 @@
-/* SPDX-License-Identifier: BSD-2-Clause */
-/*
- * Copyright (C) 2019, Raspberry Pi (Trading) Limited
- *
- * histogram.hpp - histogram calculation interface
- */
-#pragma once
-
-#include <stdint.h>
-#include <vector>
-#include <cassert>
-
-// A simple histogram class, for use in particular to find "quantiles" and
-// averages between "quantiles".
-
-namespace RPiController {
-
-class Histogram
-{
-public:
-	template<typename T> Histogram(T *histogram, int num)
-	{
-		assert(num);
-		cumulative_.reserve(num + 1);
-		cumulative_.push_back(0);
-		for (int i = 0; i < num; i++)
-			cumulative_.push_back(cumulative_.back() +
-					      histogram[i]);
-	}
-	uint32_t Bins() const { return cumulative_.size() - 1; }
-	uint64_t Total() const { return cumulative_[cumulative_.size() - 1]; }
-	// Cumulative frequency up to a (fractional) point in a bin.
-	uint64_t CumulativeFreq(double bin) const;
-	// Return the (fractional) bin of the point q (0 <= q <= 1) through the
-	// histogram. Optionally provide limits to help.
-	double Quantile(double q, int first = -1, int last = -1) const;
-	// Return the average histogram bin value between the two quantiles.
-	double InterQuantileMean(double q_lo, double q_hi) const;
-
-private:
-	std::vector<uint64_t> cumulative_;
-};
-
-} // namespace RPiController