| /external/eigen/Eigen/src/Cholesky/ |
| LLT.h | 174 LLT rankUpdate(const VectorType& vec, const RealScalar& sigma = 1);
191 static typename MatrixType::Index llt_rank_update_lower(MatrixType& mat, const VectorType& vec, const typename MatrixType::RealScalar& sigma)
207 if(sigma>0)
211 // i.e., for sigma > 0
212 temp = sqrt(sigma) * vec;
237 RealScalar swj2 = sigma*abs2(wj);
253 mat.col(j).tail(rs) = (nLjj/Ljj) * mat.col(j).tail(rs) + (nLjj * sigma*conj(wj)/gamma)*temp.tail(rs);
323 static typename MatrixType::Index rankUpdate(MatrixType& mat, const VectorType& vec, const RealScalar& sigma)
325 return Eigen::internal::llt_rank_update_lower(mat, vec, sigma);
346 static typename MatrixType::Index rankUpdate(MatrixType& mat, const VectorType& vec, const RealScalar& sigma)
[all...] |
| LDLT.h | 102 * \sa rankUpdate(w,sigma)
342 static bool updateInPlace(MatrixType& mat, MatrixBase<WDerived>& w, typename MatrixType::RealScalar sigma=1)
364 RealScalar swj2 = sigma*abs2(wj);
375 mat.col(j).tail(rs) += (sigma*conj(wj)/gamma)*w.tail(rs);
381 static bool update(MatrixType& mat, const TranspositionType& transpositions, Workspace& tmp, const WType& w, typename MatrixType::RealScalar sigma=1)
386 return ldlt_inplace<Lower>::updateInPlace(mat,tmp,sigma);
400 static EIGEN_STRONG_INLINE bool update(MatrixType& mat, TranspositionType& transpositions, Workspace& tmp, WType& w, typename MatrixType::RealScalar sigma=1)
403 return ldlt_inplace<Lower>::update(matt, transpositions, tmp, w.conjugate(), sigma);
445 /** Update the LDLT decomposition: given A = L D L^T, efficiently compute the decomposition of A + sigma w w^T.
447 * \param sigma a scalar, +1 for updates and -1 for "downdates," which correspond to removing previously-added col (…)
[all...] |
| /external/chromium_org/skia/ext/ |
| recursive_gaussian_convolution.cc | 195 float RecursiveFilter::qFromSigma(float sigma) {
196 DCHECK_GE(sigma, 0.5f);
197 if (sigma <= 2.5f)
198 return 3.97156f - 4.14554f * std::sqrt(1.0f - 0.26891f * sigma);
199 return 0.98711f * sigma - 0.96330f;
217 RecursiveFilter::RecursiveFilter(float sigma, Order order)
218 : order_(order), q_(qFromSigma(sigma)) {
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| /packages/inputmethods/LatinIME/native/jni/src/suggest/core/layout/ |
| proximity_info_utils.h | 124 // Normal distribution N(u, sigma^2).
127 NormalDistribution(const float u, const float sigma)
128 : mU(u), mSigma(sigma),
130 * GeometryUtils::SQUARE_FLOAT(sigma))),
131 mPreComputedExponentPart(-1.0f / (2.0f * GeometryUtils::SQUARE_FLOAT(sigma))) {}
143 const float mPreComputedNonExpPart; // = 1 / sqrt(2 * PI * sigma^2)
144 const float mPreComputedExponentPart; // = -1 / (2 * sigma^2)
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| /external/eigen/test/eigen2/ |
| eigen2_svd.cpp | 34 MatrixType sigma = MatrixType::Zero(rows,cols); local
36 sigma.block(0,0,cols,cols) = svd.singularValues().asDiagonal();
38 VERIFY_IS_APPROX(a, matU * sigma * svd.matrixV().transpose());
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| /external/chromium_org/net/quic/congestion_control/ |
| inter_arrival_overuse_detector.cc | 174 << " sigma:" << sigma_delta
190 << " sigma:" << sigma_delta
201 << " sigma:" << sigma_delta
233 << " sigma:" << sigma_delta;
244 << " sigma:" << sigma_delta;
252 << " sigma:" << sigma_delta;
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| /external/chromium_org/third_party/skia/src/gpu/effects/ |
| GrConvolutionEffect.h | 77 // samples per fragment program run in DX9SM2 (32). A sigma param of 4.0
78 // on a blur filter gives a kernel width of 25 while a sigma of 5.0
|
| /external/skia/src/gpu/effects/ |
| GrConvolutionEffect.h | 77 // samples per fragment program run in DX9SM2 (32). A sigma param of 4.0
78 // on a blur filter gives a kernel width of 25 while a sigma of 5.0
|
| /frameworks/rs/cpu_ref/ |
| rsCpuIntrinsicBlur.cpp | 68 // g(x) = ( 1 / sqrt( 2 * pi ) * sigma) * e ^ ( -x^2 / 2 * sigma^2 )
70 // and sigma varies with radius.
71 // Based on some experimental radius values and sigma's
72 // we approximately fit sigma = f(radius) as
73 // sigma = radius * 0.4 + 0.6
75 // will resemble a box blur since with large sigma
77 float sigma = 0.4f * mRadius + 0.6f; local
81 float coeff1 = 1.0f / (sqrtf(2.0f * pi) * sigma);
82 float coeff2 = - 1.0f / (2.0f * sigma * sigma)
[all...] |
| /external/eigen/unsupported/Eigen/src/Polynomials/ |
| Companion.h | 149 //one finds \f$ \sigma \f$ such that
150 // \f$ 2^{2\sigma-1} < rowNorm / colNorm \le 2^{2\sigma+1} \f$
151 // then the balancing coefficient for the row is \f$ 1/2^{\sigma} \f$
152 // and the balancing coefficient for the column is \f$ 2^{\sigma} \f$
|
| /external/pixman/pixman/ |
| pixman-filter.c | 65 #define SIGMA (SQRT2 / 2.0)
67 return exp (- x * x / (2 * SIGMA * SIGMA)) / (SIGMA * sqrt (2.0 * M_PI));
142 { PIXMAN_KERNEL_GAUSSIAN, gaussian_kernel, 6 * SIGMA },
|
| /external/chromium_org/chrome/browser/thumbnails/ |
| content_analysis_unittest.cc | 99 float sigma = 2.5f; local
100 ApplyGaussianGradientMagnitudeFilter(&reduced_color, sigma);
102 // Expect everything to be within 8 * sigma.
103 int tail_length = static_cast<int>(8.0f * sigma + 0.5f);
111 sigma = 5.0f;
112 ApplyGaussianGradientMagnitudeFilter(&reduced_color, sigma);
114 // Expect everything to be within 8 * sigma.
115 tail_length = static_cast<int>(8.0f * sigma + 0.5f);
151 float sigma = 2.5f; local
152 ApplyGaussianGradientMagnitudeFilter(&reduced_color, sigma);
[all...] |
| /external/chromium_org/third_party/skia/src/effects/ |
| SkBlurMaskFilter.cpp | 341 SkScalar sigma = SkScalarMul(fRadius, kBLUR_SIGMA_SCALE); local
342 gpuPad = sigma * 3.0f;
407 // Outset srcRect and clipRect by 3 * sigma, to compute affected blur area.
428 float sigma = SkScalarToFloat(xformedRadius) * kBLUR_SIGMA_SCALE; local
434 clipRect, false, sigma, sigma);
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| /external/eigen/Eigen/src/Geometry/ |
| Umeyama.h | 130 const MatrixType sigma = one_over_n * dst_demean * src_demean.transpose(); local
132 JacobiSVD<MatrixType> svd(sigma, ComputeFullU | ComputeFullV);
139 if (sigma.determinant()<0) S(m-1) = -1;
|
| /external/eigen/test/ |
| cholesky.cpp | 45 RealScalar sigma = internal::random<RealScalar>(); local
46 symmCpy += sigma * vec * vec.adjoint();
53 chollo.rankUpdate(vec, sigma);
56 cholup.rankUpdate(vec, sigma);
|
| /external/libpcap/ |
| ppp.h | 40 #define PPP_SNS 0x0233 /* Sigma Network Systems */
|
| /external/robolectric/src/main/java/com/xtremelabs/robolectric/shadows/ |
| ShadowLocation.java | 272 double sigma = 0.0; local
291 sigma = Math.atan2(sinSigma, cosSigma); // (16)
318 (sigma + C * sinSigma *
328 float distance = (float) (b * A * (sigma - deltaSigma));
|
| /external/skia/gm/ |
| blurquickreject.cpp | 17 // the correct 3 sigma bound then the images with and without quick rejecting
|
| /external/v8/ |
| AUTHORS | 7 Sigma Designs Inc.
|
| /frameworks/native/services/sensorservice/ |
| Fusion.h | 79 void update(const vec3_t& z, const vec3_t& Bi, float sigma);
|
| /packages/inputmethods/LatinIME/java/res/xml/ |
| rowkeys_greek2.xml | 29 <!-- U+03C3: "?" GREEK SMALL LETTER SIGMA -->
|
| /external/apache-xml/src/main/java/org/apache/xml/serializer/ |
| HTMLEntities.properties | 153 # Sigma 931
178 # sigma 963
|
| /external/chromium_org/third_party/jinja2/_markupsafe/ |
| _constants.py | 60 'Sigma': 931,
228 'sigma': 963,
|
| /external/clang/include/clang/AST/ |
| CommentHTMLNamedCharacterReferences.td | 114 def : NCR<"Sigma", 0x003A3>;
136 def : NCR<"sigma", 0x003C3>;
|
| /external/icu4c/samples/ustring/ |
| ustring.cpp | 185 * "aB<capital sigma>"
188 * "<small final sigma><small sigma><capital sigma>"
357 * "aB<capital sigma>"
360 * "<small final sigma><small sigma><capital sigma>"
|
