Searched refs:sigma (Results 1 - 25 of 77) sorted by relevance

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/external/chromium_org/third_party/skia/src/effects/
H A DSkBlurMask.h18 static bool BlurRect(SkScalar sigma, SkMask *dst, const SkRect &src, SkBlurStyle,
22 static bool BlurRRect(SkScalar sigma, SkMask *dst, const SkRRect &src, SkBlurStyle,
27 // forceQuality will prevent BoxBlur from falling back to the low quality approach when sigma
34 SkScalar sigma, SkBlurStyle style, SkBlurQuality quality,
39 static bool BlurGroundTruth(SkScalar sigma, SkMask* dst, const SkMask& src, SkBlurStyle,
42 // If radius > 0, return the corresponding sigma, else return 0
44 // If sigma > 0.5, return the corresponding radius, else return 0
45 static SkScalar ConvertSigmaToRadius(SkScalar sigma);
60 must free the memory. The amount of memory allocated will be exactly 6*sigma bytes.
61 @param sigma Th
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H A DSkDropShadowImageFilter.cpp85 SkVector sigma = SkVector::Make(fSigmaX, fSigmaY); local
86 ctx.ctm().mapVectors(&sigma, 1);
87 sigma.fX = SkMaxScalar(0, sigma.fX);
88 sigma.fY = SkMaxScalar(0, sigma.fY);
89 SkAutoTUnref<SkImageFilter> blurFilter(SkBlurImageFilter::Create(sigma.fX, sigma.fY));
129 SkVector sigma = SkVector::Make(fSigmaX, fSigmaY); local
130 ctm.mapVectors(&sigma,
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H A DSkEmbossMaskFilter.cpp79 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));
140 const SkScalar sigma = buffer.readScalar(); local
141 return Create(sigma, light);
H A DSkBlurImageFilter.cpp22 // the limit on sigma ensures consistent behaviour between the GPU and
27 SkVector sigma = SkVector::Make(localSigma.width(), localSigma.height()); local
28 ctm.mapVectors(&sigma, 1);
29 sigma.fX = SkMinScalar(SkScalarAbs(sigma.fX), MAX_SIGMA);
30 sigma.fY = SkMinScalar(SkScalarAbs(sigma.fY), MAX_SIGMA);
31 return sigma;
188 SkVector sigma = mapSigma(fSigma, ctx.ctm()); local
192 getBox3Params(sigma
261 SkVector sigma = mapSigma(fSigma, ctm); local
284 SkVector sigma = mapSigma(fSigma, ctx.ctm()); local
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H A DSkGpuBlurUtils.cpp31 static float adjust_sigma(float sigma, int maxTextureSize, int *scaleFactor, int *radius) { argument
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, fals
46 convolve_gaussian_1d(GrContext* context, const SkRect& srcRect, const SkRect& dstRect, GrTexture* texture, Gr1DKernelEffect::Direction direction, int radius, float sigma, bool useBounds, float bounds[2]) argument
87 convolve_gaussian(GrContext* context, const SkRect& srcRect, const SkRect& dstRect, GrTexture* texture, Gr1DKernelEffect::Direction direction, int radius, float sigma, bool cropToSrcRect) argument
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/external/skia/src/effects/
H A DSkBlurMask.h18 static bool BlurRect(SkScalar sigma, SkMask *dst, const SkRect &src, SkBlurStyle,
22 static bool BlurRRect(SkScalar sigma, SkMask *dst, const SkRRect &src, SkBlurStyle,
27 // forceQuality will prevent BoxBlur from falling back to the low quality approach when sigma
34 SkScalar sigma, SkBlurStyle style, SkBlurQuality quality,
39 static bool BlurGroundTruth(SkScalar sigma, SkMask* dst, const SkMask& src, SkBlurStyle,
42 // If radius > 0, return the corresponding sigma, else return 0
44 // If sigma > 0.5, return the corresponding radius, else return 0
45 static SkScalar ConvertSigmaToRadius(SkScalar sigma);
60 must free the memory. The amount of memory allocated will be exactly 6*sigma bytes.
61 @param sigma Th
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H A DSkDropShadowImageFilter.cpp18 SkDropShadowImageFilter::SkDropShadowImageFilter(SkScalar dx, SkScalar dy, SkScalar sigma, argument
23 , fSigmaX(sigma)
24 , fSigmaY(sigma)
84 SkVector sigma = SkVector::Make(fSigmaX, fSigmaY); local
85 ctx.ctm().mapVectors(&sigma, 1);
86 sigma.fX = SkMaxScalar(0, sigma.fX);
87 sigma.fY = SkMaxScalar(0, sigma.fY);
88 SkAutoTUnref<SkImageFilter> blurFilter(SkBlurImageFilter::Create(sigma
131 SkVector sigma = SkVector::Make(fSigmaX, fSigmaY); local
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H A DSkBlurImageFilter.cpp22 // the limit on sigma ensures consistent behaviour between the GPU and
171 SkVector sigma = SkVector::Make(fSigma.width(), fSigma.height()); local
172 ctx.ctm().mapVectors(&sigma, 1);
173 sigma.fX = SkMinScalar(sigma.fX, MAX_SIGMA);
174 sigma.fY = SkMinScalar(sigma.fY, MAX_SIGMA);
178 getBox3Params(sigma.x(), &kernelSizeX, &kernelSizeX3, &lowOffsetX, &highOffsetX);
179 getBox3Params(sigma.y(), &kernelSizeY, &kernelSizeY3, &lowOffsetY, &highOffsetY);
250 SkVector sigma local
271 SkVector sigma = SkVector::Make(fSigma.width(), fSigma.height()); local
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H A DSkGpuBlurUtils.cpp31 static float adjust_sigma(float sigma, int maxTextureSize, int *scaleFactor, int *radius) { argument
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, fals
46 convolve_gaussian_pass(GrContext* context, const SkRect& srcRect, const SkRect& dstRect, GrTexture* texture, Gr1DKernelEffect::Direction direction, int radius, float sigma, bool useBounds, float bounds[2]) argument
64 convolve_gaussian(GrContext* context, const SkRect& srcRect, const SkRect& dstRect, GrTexture* texture, Gr1DKernelEffect::Direction direction, int radius, float sigma, bool cropToSrcRect) argument
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/external/chromium_org/third_party/skia/tests/
H A DBlurTest.cpp108 SkScalar sigma = SkBlurMask::ConvertRadiusToSigma(SkIntToScalar(5)); local
115 filter = SkBlurMaskFilter::Create(blurStyle, sigma, flags);
162 SkScalar sigma,
174 SkBlurMask::BlurGroundTruth(sigma, &dst, src, kNormal_SkBlurStyle);
201 // Implement a Gaussian function with 0 mean and std.dev. of 'sigma'.
202 static float gaussian(int x, SkScalar sigma) { argument
203 float k = SK_Scalar1/(sigma * sqrtf(2.0f*SK_ScalarPI));
204 float exponent = -(x * x) / (2 * sigma * sigma);
352 SkScalar sigma local
161 ground_truth_2d(int width, int height, SkScalar sigma, int* result, int resultCount) argument
415 test_blurDrawLooper(skiatest::Reporter* reporter, SkScalar sigma, SkBlurStyle style, uint32_t blurMaskFilterFlags) argument
449 test_delete_looper(skiatest::Reporter* reporter, SkDrawLooper* lp, SkScalar sigma, SkBlurStyle style, SkBlurQuality quality, bool expectSuccess) argument
482 test_layerDrawLooper(skiatest::Reporter* reporter, SkMaskFilter* mf, SkScalar sigma, SkBlurStyle style, SkBlurQuality quality, bool expectSuccess) argument
523 const SkScalar sigma = sigmas[j]; local
556 const SkScalar sigma = sigmas[j]; local
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/external/skia/tests/
H A DBlurTest.cpp108 SkScalar sigma = SkBlurMask::ConvertRadiusToSigma(SkIntToScalar(5)); local
115 filter = SkBlurMaskFilter::Create(blurStyle, sigma, flags);
162 SkScalar sigma,
174 SkBlurMask::BlurGroundTruth(sigma, &dst, src, kNormal_SkBlurStyle);
201 // Implement a Gaussian function with 0 mean and std.dev. of 'sigma'.
202 static float gaussian(int x, SkScalar sigma) { argument
203 float k = SK_Scalar1/(sigma * sqrtf(2.0f*SK_ScalarPI));
204 float exponent = -(x * x) / (2 * sigma * sigma);
352 SkScalar sigma local
161 ground_truth_2d(int width, int height, SkScalar sigma, int* result, int resultCount) argument
415 test_blurDrawLooper(skiatest::Reporter* reporter, SkScalar sigma, SkBlurStyle style, uint32_t blurMaskFilterFlags) argument
449 test_delete_looper(skiatest::Reporter* reporter, SkDrawLooper* lp, SkScalar sigma, SkBlurStyle style, SkBlurQuality quality, bool expectSuccess) argument
482 test_layerDrawLooper(skiatest::Reporter* reporter, SkMaskFilter* mf, SkScalar sigma, SkBlurStyle style, SkBlurQuality quality, bool expectSuccess) argument
523 const SkScalar sigma = sigmas[j]; local
556 const SkScalar sigma = sigmas[j]; local
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/external/chromium_org/skia/ext/
H A Drecursive_gaussian_convolution.h27 static float qFromSigma(float sigma);
29 SK_API RecursiveFilter(float sigma, Order order);
/external/iproute2/netem/
H A Dnormal.c18 normal(double x, double mu, double sigma) argument
20 return .5 + .5*erf((x-mu)/(sqrt(2.0)*sigma));
H A Dstats.c24 double mu=0.0, sigma=0.0, sumsquare=0.0, sum=0.0, top=0.0, rho=0.0; local
44 sigma = sqrt((sumsquare - (double)n*mu*mu)/(double)(n-1));
54 printf("sigma = %12.6f\n", sigma);
57 /*printf("correlation rho = %10.6f\n", top/((double)(n-1)*sigma*sigma));*/
H A Dmaketable.c51 arraystats(double *x, int limit, double *mu, double *sigma, double *rho) argument
63 *sigma = sqrt((sumsquare - (double)n*(*mu)*(*mu))/(double)(n-1));
93 makedist(double *x, int limit, double mu, double sigma) argument
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);
H A Dparetonormal.c27 normal(double x, double mu, double sigma) argument
29 return .5 + .5*erf((x-mu)/(sqrt(2.0)*sigma));
/external/chromium_org/third_party/skia/include/effects/
H A DSkBlurDrawLooper.h38 static SkBlurDrawLooper* Create(SkColor color, SkScalar sigma, SkScalar dx, SkScalar dy, argument
40 return SkNEW_ARGS(SkBlurDrawLooper, (color, sigma, dx, dy, flags));
53 SkBlurDrawLooper(SkColor color, SkScalar sigma, SkScalar dx, SkScalar dy,
87 void init(SkScalar sigma, SkScalar dx, SkScalar dy, SkColor color, uint32_t flags);
H A DSkBlurMaskFilter.h19 * If radius > 0, return the corresponding sigma, else return 0. Use this to convert from the
20 * (legacy) idea of specify the blur "radius" to the standard notion of specifying its sigma.
36 * @param sigma Standard deviation of the Gaussian blur to apply. Must be > 0.
40 static SkMaskFilter* Create(SkBlurStyle style, SkScalar sigma, uint32_t flags = kNone_BlurFlag);
53 SK_ATTR_DEPRECATED("use sigma version")
/external/skia/include/effects/
H A DSkBlurDrawLooper.h38 static SkBlurDrawLooper* Create(SkColor color, SkScalar sigma, SkScalar dx, SkScalar dy, argument
40 return SkNEW_ARGS(SkBlurDrawLooper, (color, sigma, dx, dy, flags));
53 SkBlurDrawLooper(SkColor color, SkScalar sigma, SkScalar dx, SkScalar dy,
85 void init(SkScalar sigma, SkScalar dx, SkScalar dy, SkColor color, uint32_t flags);
H A DSkDropShadowImageFilter.h14 static SkDropShadowImageFilter* Create(SkScalar dx, SkScalar dy, SkScalar sigma, argument
16 return SkNEW_ARGS(SkDropShadowImageFilter, (dx, dy, sigma, color, input));
29 SkDropShadowImageFilter(SkScalar dx, SkScalar dy, SkScalar sigma, SkColor,
H A DSkBlurMaskFilter.h19 * If radius > 0, return the corresponding sigma, else return 0. Use this to convert from the
20 * (legacy) idea of specify the blur "radius" to the standard notion of specifying its sigma.
36 * @param sigma Standard deviation of the Gaussian blur to apply. Must be > 0.
40 static SkMaskFilter* Create(SkBlurStyle style, SkScalar sigma, uint32_t flags = kNone_BlurFlag);
53 SK_ATTR_DEPRECATED("use sigma version")
/external/chromium_org/third_party/skia/gm/
H A Dspritebitmap.cpp84 SkScalar sigma = 8; local
85 SkAutoTUnref<SkImageFilter> filter(SkBlurImageFilter::Create(sigma, sigma));
/external/skia/gm/
H A Dspritebitmap.cpp84 SkScalar sigma = 8; local
85 SkAutoTUnref<SkImageFilter> filter(SkBlurImageFilter::Create(sigma, sigma));
/external/eigen/Eigen/src/Cholesky/
H A DLLT_MKL.h75 static typename MatrixType::Index rankUpdate(MatrixType& mat, const VectorType& vec, const typename MatrixType::RealScalar& sigma) \
76 { return Eigen::internal::llt_rank_update_lower(mat, vec, sigma); } \
86 static typename MatrixType::Index rankUpdate(MatrixType& mat, const VectorType& vec, const typename MatrixType::RealScalar& sigma) \
89 return llt_inplace<EIGTYPE, Lower>::rankUpdate(matt, vec.conjugate(), sigma); \
/external/chromium_org/third_party/boringssl/src/crypto/chacha/
H A Dchacha_generic.c23 /* 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);

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