Searched defs:variance (Results 1 - 25 of 27) sorted by relevance

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/external/linux-tools-perf/perf-3.12.0/tools/perf/util/
H A Dstat.c44 double variance, variance_mean; local
49 variance = stats->M2 / (stats->n - 1);
50 variance_mean = variance / stats->n;
/external/lldb/tools/lldb-perf/lib/
H A DMetric.cpp76 T variance; local
78 variance = M2 / n;
80 variance = M2 / (n - 1);
81 return sqrt(variance);
/external/chromium_org/third_party/webrtc/voice_engine/test/auto_test/standard/
H A Dvideo_sync_test.cc58 // Computes the standard deviation by first estimating the sample variance
66 float variance = 0; local
68 variance += (*start - mean) * (*start - mean) / (num_elements - 1);
70 return sqrt(variance);
/external/chromium_org/third_party/leveldatabase/src/util/
H A Dhistogram.cc101 double variance = (sum_squares_ * num_ - sum_ * sum_) / (num_ * num_); local
102 return sqrt(variance);
/external/antlr/antlr-3.4/runtime/Ruby/lib/antlr3/
H A Dprofile.rb84 def variance method in class:ANTLR3.Profile.DataSet
90 sqrt( variance )
/external/chromium_org/third_party/libvpx/source/libvpx/vp8/common/
H A Dvariance_c.c12 #include "variance.h"
34 static void variance( function
76 variance(src_ptr, source_stride, ref_ptr, recon_stride, 16, 16, &var, &avg);
92 variance(src_ptr, source_stride, ref_ptr, recon_stride, 8, 16, &var, &avg);
108 variance(src_ptr, source_stride, ref_ptr, recon_stride, 16, 8, &var, &avg);
125 variance(src_ptr, source_stride, ref_ptr, recon_stride, 8, 8, &var, &avg);
141 variance(src_ptr, source_stride, ref_ptr, recon_stride, 4, 4, &var, &avg);
157 variance(src_ptr, source_stride, ref_ptr, recon_stride, 16, 16, &var, &avg);
/external/chromium_org/third_party/libvpx/source/libvpx/vp9/encoder/
H A Dvp9_variance.c21 void variance(const uint8_t *a, int a_stride, function
118 variance(a, a_stride, b, b_stride, W, H, sse, &sum); \
163 variance(src_ptr, source_stride, ref_ptr, ref_stride, 16, 16, sse, sum);
169 variance(src_ptr, source_stride, ref_ptr, ref_stride, 8, 8, sse, sum);
176 variance(src, src_stride, ref, ref_stride, 16, 16, sse, &sum);
184 variance(src, src_stride, ref, ref_stride, 16, 8, sse, &sum);
192 variance(src, src_stride, ref, ref_stride, 8, 16, sse, &sum);
200 variance(src, src_stride, ref, ref_stride, 8, 8, sse, &sum);
H A Dvp9_encodeframe.c59 // This is used as a reference when computing the source variance for the
219 int variance; member in struct:__anon13155
299 // Set variance values given sum square error, sum error, count.
305 v->variance = (int)(256 *
309 v->variance = 0;
348 vt.part_variances->none.variance < threshold) {
355 vt.part_variances->vert[0].variance < threshold &&
356 vt.part_variances->vert[1].variance < threshold) {
365 vt.part_variances->horz[0].variance < threshold &&
366 vt.part_variances->horz[1].variance < threshol
[all...]
/external/chromium_org/third_party/npapi/npspy/extern/nspr/
H A Dplarena.h79 PRFloat64 variance; /* size variance accumulator */ member in struct:PLArenaStats
/external/chromium_org/third_party/webrtc/voice_engine/
H A Dutility_unittest.cc101 float variance = 0; local
106 variance += ref_frame.data_[i] * ref_frame.data_[i];
110 snr = 10 * log10(variance / mse);
/external/deqp/modules/gles31/functional/
H A Des31fSampleVariableTests.cpp157 const float variance = (1.0f / (12.0f * m_numSamples)); local
158 const float standardDeviation = deFloatSqrt(variance);
/external/harfbuzz_ng/test/shaping/
H A Dhb_test_tools.py185 def variance (self): member in class:Stats
190 return self.variance () ** .5
/external/libvpx/libvpx/vp8/common/
H A Dvariance_c.c12 #include "variance.h"
34 static void variance( function
76 variance(src_ptr, source_stride, ref_ptr, recon_stride, 16, 16, &var, &avg);
92 variance(src_ptr, source_stride, ref_ptr, recon_stride, 8, 16, &var, &avg);
108 variance(src_ptr, source_stride, ref_ptr, recon_stride, 16, 8, &var, &avg);
125 variance(src_ptr, source_stride, ref_ptr, recon_stride, 8, 8, &var, &avg);
141 variance(src_ptr, source_stride, ref_ptr, recon_stride, 4, 4, &var, &avg);
157 variance(src_ptr, source_stride, ref_ptr, recon_stride, 16, 16, &var, &avg);
/external/chromium_org/chrome/browser/net/
H A Durl_info.cc254 double variance = static_cast<float>(square_sum_)/count_ local
256 return static_cast<int>(floor(sqrt(variance) + .5));
/external/chromium_org/third_party/webrtc/video_engine/
H A Doveruse_frame_detector.cc267 // Calculate variance (using samples above the mean).
271 float variance = 0.0f; local
280 variance += ((time - mean) * (time - mean));
284 variance /= std::max(total_count, 1);
285 float cov = sqrt(variance) / mean;
/external/deqp/modules/glshared/
H A DglsStateChangePerfTestCases.cpp59 double variance; member in struct:deqp::gls::__anon20408::ResultStats
79 result.variance += (val - result.mean) * (val - result.mean);
82 result.variance /= values.size();
548 log << TestLog::Message << "Interleaved variance: " << interleaved.variance << TestLog::EndMessage;
554 log << TestLog::Message << "Batched variance: " << batched.variance << TestLog::EndMessage;
702 log << TestLog::Message << "Iteration variance time: " << varIteration << TestLog::EndMessage;
/external/libvpx/libvpx/vp9/encoder/
H A Dvp9_variance.c21 void variance(const uint8_t *src_ptr, function
174 variance(src_ptr, source_stride, ref_ptr, recon_stride, 64, 32, &var, &avg);
231 variance(src_ptr, source_stride, ref_ptr, recon_stride, 32, 64, &var, &avg);
288 variance(src_ptr, source_stride, ref_ptr, recon_stride, 32, 16, &var, &avg);
345 variance(src_ptr, source_stride, ref_ptr, recon_stride, 16, 32, &var, &avg);
402 variance(src_ptr, source_stride, ref_ptr, recon_stride, 64, 64, &var, &avg);
415 variance(src_ptr, source_stride, ref_ptr, recon_stride, 32, 32, &var, &avg);
423 variance(src_ptr, source_stride, ref_ptr, ref_stride, 16, 16, sse, sum);
434 variance(src_ptr, source_stride, ref_ptr, recon_stride, 16, 16, &var, &avg);
447 variance(src_pt
[all...]
H A Dvp9_encodeframe.c90 // This is used as a reference when computing the source variance for the
299 int variance; member in struct:__anon24934
376 // Set variance values given sum square error, sum error, count.
382 v->variance = (int)(256 *
386 v->variance = 0;
427 vt.part_variances->none.variance < threshold) {
434 vt.part_variances->vert[0].variance < threshold &&
435 vt.part_variances->vert[1].variance < threshold) {
444 vt.part_variances->horz[0].variance < threshold &&
445 vt.part_variances->horz[1].variance < threshol
[all...]
/external/chromium_org/third_party/mesa/src/src/mesa/main/
H A Dtexcompress_fxt1.c334 fxt1_variance (GLdouble variance[MAX_COMP], argument
354 if (variance) {
355 variance[i] = var;
1083 /* Scan the channel with max variance for lo & hi
/external/chromium_org/third_party/skia/src/effects/
H A DSkBlurMask.cpp861 float variance = sigma * sigma; local
875 float gaussian = expf(-x*x / (2*variance));
/external/mesa3d/src/mesa/main/
H A Dtexcompress_fxt1.c334 fxt1_variance (GLdouble variance[MAX_COMP], argument
354 if (variance) {
355 variance[i] = var;
1083 /* Scan the channel with max variance for lo & hi
/external/skia/src/effects/
H A DSkBlurMask.cpp861 float variance = sigma * sigma; local
875 float gaussian = expf(-x*x / (2*variance));
/external/chromium_org/third_party/webrtc/modules/audio_processing/test/
H A Daudio_processing_unittest.cc2017 // delay. Finds the highest SNR in that region and adds the variance and squared
2032 double variance = 0; local
2036 variance += ref[i] * ref[i];
2040 *variance_acc += variance;
2043 double snr = variance / sq_error;
2046 best_variance = variance;
2281 double variance = 0; local
2295 // Update the |sq_error| and |variance| accumulators with the highest SNR
2301 &variance,
2312 double snr = 10 * log10(variance / sq_erro
[all...]
/external/chromium_org/third_party/libjingle/source/talk/media/base/
H A Dmediachannel.h749 variance(0.0) {
754 double variance; member in struct:cricket::VariableInfo
/external/opencv/cvaux/include/
H A Dcvaux.h122 float* log_var_val; /* sum of 0.5 (LN2PI + ln(variance[i]) ) for i=1,n */
1352 double variance[CV_BGFG_MOG_NCOLORS]; member in struct:CvGaussBGValues

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