| /external/iproute2/netem/ |
| maketable.c | 51 arraystats(double *x, int limit, double *mu, double *sigma, double *rho)
63 *sigma = sqrt((sumsquare - (double)n*(*mu)*(*mu))/(double)(n-1));
93 makedist(double *x, int limit, double mu, double sigma)
107 input = (x[i]-mu)/sigma;
200 double mu, sigma, rho; local
219 arraystats(x, limit, &mu, &sigma, &rho);
221 fprintf(stderr, "%d values, mu %10.4f, sigma %10.4f, rho %10.4f\n",
222 limit, mu, sigma, rho);
225 table = makedist(x, limit, mu, sigma);
|
| paretonormal.c | 27 normal(double x, double mu, double sigma)
29 return .5 + .5*erf((x-mu)/(sqrt(2.0)*sigma));
|
| /frameworks/rs/java/tests/ImageProcessing/src/com/android/rs/image/ |
| threshold.rs | 39 // g(x) = ( 1 / sqrt( 2 * pi ) * sigma) * e ^ ( -x^2 / 2 * sigma^2 )
41 // and sigma varies with radius.
42 // Based on some experimental radius values and sigma's
43 // we approximately fit sigma = f(radius) as
44 // sigma = radius * 0.4 + 0.6
46 // will resemble a box blur since with large sigma
48 float sigma = 0.4f * (float)radius + 0.6f;
54 float coeff1 = 1.0f / (sqrt( 2.0f * pi ) * sigma);
55 float coeff2 = - 1.0f / (2.0f * sigma * sigma)
[all...] |
| /frameworks/rs/java/tests/ImageProcessing2/src/com/android/rs/image/ |
| threshold.fs | 39 // g(x) = ( 1 / sqrt( 2 * pi ) * sigma) * e ^ ( -x^2 / 2 * sigma^2 )
41 // and sigma varies with radius.
42 // Based on some experimental radius values and sigma's
43 // we approximately fit sigma = f(radius) as
44 // sigma = radius * 0.4 + 0.6
46 // will resemble a box blur since with large sigma
48 float sigma = 0.4f * (float)radius + 0.6f;
54 float coeff1 = 1.0f / (sqrt( 2.0f * pi ) * sigma);
55 float coeff2 = - 1.0f / (2.0f * sigma * sigma)
[all...] |
| /frameworks/rs/java/tests/ImageProcessing_jb/src/com/android/rs/image/ |
| threshold.rs | 39 // g(x) = ( 1 / sqrt( 2 * pi ) * sigma) * e ^ ( -x^2 / 2 * sigma^2 )
41 // and sigma varies with radius.
42 // Based on some experimental radius values and sigma's
43 // we approximately fit sigma = f(radius) as
44 // sigma = radius * 0.4 + 0.6
46 // will resemble a box blur since with large sigma
48 float sigma = 0.4f * (float)radius + 0.6f;
54 float coeff1 = 1.0f / (sqrt( 2.0f * pi ) * sigma);
55 float coeff2 = - 1.0f / (2.0f * sigma * sigma)
[all...] |
| /external/chromium_org/third_party/skia/src/effects/ |
| SkGpuBlurUtils.cpp | 31 static float adjust_sigma(float sigma, int maxTextureSize, int *scaleFactor, int *radius) {
33 while (sigma > MAX_BLUR_SIGMA) {
35 sigma *= 0.5f;
38 sigma = MAX_BLUR_SIGMA;
41 *radius = static_cast<int>(ceilf(sigma * 3.0f));
43 return sigma;
52 float sigma,
58 texture, direction, radius, sigma, useBounds, bounds));
93 float sigma,
98 direction, radius, sigma, false, bounds)
[all...] |
| SkBlurMaskFilter.cpp | 38 SkBlurMaskFilterImpl(SkScalar sigma, SkBlurStyle, uint32_t flags);
118 SkMaskFilter* SkBlurMaskFilter::Create(SkBlurStyle style, SkScalar sigma, uint32_t flags) {
119 if (!SkScalarIsFinite(sigma) || sigma <= 0) {
128 return SkNEW_ARGS(SkBlurMaskFilterImpl, (sigma, style, flags));
133 SkBlurMaskFilterImpl::SkBlurMaskFilterImpl(SkScalar sigma, SkBlurStyle style, uint32_t flags)
134 : fSigma(sigma)
162 SkScalar sigma = this->computeXformedSigma(matrix); local
163 return SkBlurMask::BoxBlur(dst, src, sigma, fBlurStyle, this->getQuality(), margin);
169 SkScalar sigma = computeXformedSigma(matrix) local
178 SkScalar sigma = computeXformedSigma(matrix); local
538 const SkScalar sigma = buffer.readScalar(); local
779 float sigma = random->nextRangeF(3,8); local
964 SkScalar sigma = random->nextRangeF(1.f,10.f); local
[all...] |
| SkBlurDrawLooper.cpp | 20 SkBlurDrawLooper::SkBlurDrawLooper(SkColor color, SkScalar sigma,
22 this->init(sigma, dx, dy, color, flags);
54 void SkBlurDrawLooper::init(SkScalar sigma, SkScalar dx, SkScalar dy,
56 fSigma = sigma;
80 const SkScalar sigma = buffer.readScalar(); local
84 return Create(color, sigma, dx, dy, flags);
|
| SkBlurMask.cpp | 29 SkScalar SkBlurMask::ConvertSigmaToRadius(SkScalar sigma) {
30 return sigma > 0.5f ? (sigma - 0.5f) / kBLUR_SIGMA_SCALE : 0.0f;
483 SkScalar sigma, SkBlurStyle style, SkBlurQuality quality,
491 if (!force_quality && sigma <= SkIntToScalar(2)) {
498 // 6*rad+1 while the full Gaussian width is 6*sigma.
499 passRadius = sigma - (1/6.0f);
501 // For the low quality path we only attempt to cover 3*sigma of the
502 // Gaussian blur area (1.5*sigma on each side). The single pass box
504 passRadius = 1.5f*sigma - 0.5f
[all...] |
| /external/skia/src/effects/ |
| SkGpuBlurUtils.cpp | 31 static float adjust_sigma(float sigma, int maxTextureSize, int *scaleFactor, int *radius) {
33 while (sigma > MAX_BLUR_SIGMA) {
35 sigma *= 0.5f;
38 sigma = MAX_BLUR_SIGMA;
41 *radius = static_cast<int>(ceilf(sigma * 3.0f));
43 return sigma;
52 float sigma,
58 texture, direction, radius, sigma, useBounds, bounds));
70 float sigma,
75 direction, radius, sigma, false, bounds)
[all...] |
| SkBlurMaskFilter.cpp | 37 SkBlurMaskFilterImpl(SkScalar sigma, SkBlurStyle, uint32_t flags);
115 SkMaskFilter* SkBlurMaskFilter::Create(SkBlurStyle style, SkScalar sigma, uint32_t flags) {
116 if (!SkScalarIsFinite(sigma) || sigma <= 0) {
125 return SkNEW_ARGS(SkBlurMaskFilterImpl, (sigma, style, flags));
130 SkBlurMaskFilterImpl::SkBlurMaskFilterImpl(SkScalar sigma, SkBlurStyle style, uint32_t flags)
131 : fSigma(sigma)
159 SkScalar sigma = this->computeXformedSigma(matrix); local
160 return SkBlurMask::BoxBlur(dst, src, sigma, fBlurStyle, this->getQuality(), margin);
166 SkScalar sigma = computeXformedSigma(matrix) local
175 SkScalar sigma = computeXformedSigma(matrix); local
767 float sigma = random->nextRangeF(3,8); local
953 SkScalar sigma = random->nextRangeF(1.f,10.f); local
[all...] |
| SkBlurDrawLooper.cpp | 20 SkBlurDrawLooper::SkBlurDrawLooper(SkColor color, SkScalar sigma,
22 this->init(sigma, dx, dy, color, flags);
54 void SkBlurDrawLooper::init(SkScalar sigma, SkScalar dx, SkScalar dy,
56 fSigma = sigma;
|
| SkEmbossMaskFilter.cpp | 79 SkScalar sigma = matrix.mapRadius(fBlurSigma); local
81 if (!SkBlurMask::BoxBlur(dst, src, sigma, kInner_SkBlurStyle, kLow_SkBlurQuality)) {
87 margin->set(SkScalarCeilToInt(3*sigma), SkScalarCeilToInt(3*sigma));
|
| SkBlurMask.cpp | 29 SkScalar SkBlurMask::ConvertSigmaToRadius(SkScalar sigma) {
30 return sigma > 0.5f ? (sigma - 0.5f) / kBLUR_SIGMA_SCALE : 0.0f;
483 SkScalar sigma, SkBlurStyle style, SkBlurQuality quality,
491 if (!force_quality && sigma <= SkIntToScalar(2)) {
498 // 6*rad+1 while the full Gaussian width is 6*sigma.
499 passRadius = sigma - (1/6.0f);
501 // For the low quality path we only attempt to cover 3*sigma of the
502 // Gaussian blur area (1.5*sigma on each side). The single pass box
504 passRadius = 1.5f*sigma - 0.5f
[all...] |
| /external/chromium_org/third_party/boringssl/src/crypto/chacha/ |
| chacha_generic.c | 23 /* sigma contains the ChaCha constants, which happen to be an ASCII string. */
24 static const char sigma[16] = "expand 32-byte k"; variable
98 input[0] = U8TO32_LITTLE(sigma + 0);
99 input[1] = U8TO32_LITTLE(sigma + 4);
100 input[2] = U8TO32_LITTLE(sigma + 8);
101 input[3] = U8TO32_LITTLE(sigma + 12);
|
| /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)) {
|
| /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());
|
| /external/chromium_org/third_party/WebKit/Source/platform/graphics/ |
| DrawLooperBuilder.cpp | 66 // This replicates the old skia behavior when it used to take radius for blur. Now it takes sigma.
104 const SkScalar sigma = RadiusToSigma(blur / 2); local
108 RefPtr<SkMaskFilter> mf = adoptRef(SkBlurMaskFilter::Create(kNormal_SkBlurStyle, sigma, mfFlags));
|
| /external/chromium_org/third_party/skia/bench/ |
| RectoriBench.cpp | 73 SkLayerDrawLooper* createLooper(SkScalar xOff, SkScalar sigma) {
89 sigma,
|
| /external/skia/bench/ |
| RectoriBench.cpp | 73 SkLayerDrawLooper* createLooper(SkScalar xOff, SkScalar sigma) {
89 sigma,
|
| /external/chromium_org/v8/test/mjsunit/ |
| cyrillic.js | 42 var SIGMA = "\u03a3";
43 var sigma = "\u03c3"; variable
52 MIDDLE: SIGMA, // SIGMA
53 middle: sigma, // sigma
134 // Sigma is special because there are two lower case versions of the same upper
136 // convert everything to upper case, so the two sigma variants are equal to each
141 var regex = simple ? SIGMA : "[" + SIGMA + "]"
[all...] |
| /external/eigen/unsupported/Eigen/src/Eigenvalues/ |
| ArpackSelfAdjointEigenSolver.h | 374 RealScalar sigma = 0.0; local
396 // specifying the sigma value to cluster the evs around
398 sigma = atof(eigs_sigma.c_str());
480 if (sigma == 0.0)
486 // Note: We will never enter here because sigma must be 0.0
492 AminusSigmaB.coeffRef(i,i) -= sigma;
498 MatrixType AminusSigmaB = A - sigma * B;
555 // OP = (A-\sigmaB)B (\sigma could be 0, and B could be I)
603 &sigma, bmat, &n, whch, &nev, &tol, resid, &ncv,
656 float *z, int *ldz, float *sigma,
[all...] |
| /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)
208 if(sigma>0)
212 // i.e., for sigma > 0
213 temp = sqrt(sigma) * vec;
238 RealScalar swj2 = sigma*numext::abs2(wj);
254 mat.col(j).tail(rs) = (nLjj/Ljj) * mat.col(j).tail(rs) + (nLjj * sigma*numext::conj(wj)/gamma)*temp.tail(rs);
325 static typename MatrixType::Index rankUpdate(MatrixType& mat, const VectorType& vec, const RealScalar& sigma)
327 return Eigen::internal::llt_rank_update_lower(mat, vec, sigma);
348 static typename MatrixType::Index rankUpdate(MatrixType& mat, const VectorType& vec, const RealScalar& sigma)
[all...] |
| /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()<Scalar(0)) S(m-1) = Scalar(-1);
|
| /external/chromium_org/third_party/skia/gm/ |
| samplerstress.cpp | 90 const SkScalar sigma = 1; local
91 fMaskFilter.reset(SkBlurMaskFilter::Create(kNormal_SkBlurStyle, sigma));
|
