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Fix Build Error

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This commit is contained in:
SherlockNoMad 2016-03-11 22:56:25 -08:00
parent 54f6b9e162
commit fd664a27b5
1 changed files with 12 additions and 10 deletions
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22
util/histogram_test.cc
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@ -3,6 +3,8 @@
// LICENSE file in the root directory of this source tree. An additional grant // LICENSE file in the root directory of this source tree. An additional grant
// of patent rights can be found in the PATENTS file in the same directory. // of patent rights can be found in the PATENTS file in the same directory.
// //
#include <cmath>
#include "util/histogram.h" #include "util/histogram.h"
#include "util/histogram_windowing.h" #include "util/histogram_windowing.h"
#include "util/testharness.h" #include "util/testharness.h"
@ -32,12 +34,12 @@ void BasicOperation(Histogram& histogram) {
HistogramData data; HistogramData data;
histogram.Data(&data); histogram.Data(&data);
ASSERT_LE(std::fabs(histogram.Percentile(100.0) - 100.0), kIota); ASSERT_LE(fabs(histogram.Percentile(100.0) - 100.0), kIota);
ASSERT_LE(std::fabs(data.percentile99 - 99.0), kIota); ASSERT_LE(fabs(data.percentile99 - 99.0), kIota);
ASSERT_LE(std::fabs(data.percentile95 - 95.0), kIota); ASSERT_LE(fabs(data.percentile95 - 95.0), kIota);
ASSERT_LE(std::fabs(data.median - 50.0), kIota); ASSERT_LE(fabs(data.median - 50.0), kIota);
ASSERT_EQ(data.average, 50.5); // avg is acurately calculated. ASSERT_EQ(data.average, 50.5); // avg is acurately calculated.
ASSERT_LT(std::fabs(data.standard_deviation- 28.86), kIota); //sd is ~= 28.86 ASSERT_LT(fabs(data.standard_deviation- 28.86), kIota); //sd is ~= 28.86
} }
void MergeHistogram(Histogram& histogram, Histogram& other) { void MergeHistogram(Histogram& histogram, Histogram& other) {
@ -48,12 +50,12 @@ void MergeHistogram(Histogram& histogram, Histogram& other) {
HistogramData data; HistogramData data;
histogram.Data(&data); histogram.Data(&data);
ASSERT_LE(std::fabs(histogram.Percentile(100.0) - 200.0), kIota); ASSERT_LE(fabs(histogram.Percentile(100.0) - 200.0), kIota);
ASSERT_LE(std::fabs(data.percentile99 - 198.0), kIota); ASSERT_LE(fabs(data.percentile99 - 198.0), kIota);
ASSERT_LE(std::fabs(data.percentile95 - 190.0), kIota); ASSERT_LE(fabs(data.percentile95 - 190.0), kIota);
ASSERT_LE(std::fabs(data.median - 100.0), kIota); ASSERT_LE(fabs(data.median - 100.0), kIota);
ASSERT_EQ(data.average, 100.5); // avg is acurately calculated. ASSERT_EQ(data.average, 100.5); // avg is acurately calculated.
ASSERT_LT(std::fabs(data.standard_deviation - 57.73), kIota); //sd is ~= 57.73 ASSERT_LT(fabs(data.standard_deviation - 57.73), kIota); //sd is ~= 57.73
} }
void EmptyHistogram(Histogram& histogram) { void EmptyHistogram(Histogram& histogram) {