| /packages/inputmethods/LatinIME/native/jni/src/suggest/core/layout/ |
| normal_distribution.h | 26 // Normal distribution N(u, sigma^2).
29 NormalDistribution(const float u, const float sigma)
32 * GeometryUtils::SQUARE_FLOAT(sigma))),
33 mPreComputedExponentPart(-1.0f / (2.0f * GeometryUtils::SQUARE_FLOAT(sigma))) {}
45 const float mPreComputedNonExpPart; // = 1 / sqrt(2 * PI * sigma^2)
46 const float mPreComputedExponentPart; // = -1 / (2 * sigma^2)
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| /external/chromium_org/third_party/skia/src/effects/ |
| SkBlurMask.h | 18 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 The standard deviation of the gaussian blur kerne
[all...] |
| SkDropShadowImageFilter.cpp | 85 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, 1)
[all...] |
| 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));
140 const SkScalar sigma = buffer.readScalar(); local
141 return Create(sigma, light);
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| SkBlurImageFilter.cpp | 22 // 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.x(), &kernelSizeX, &kernelSizeX3, &lowOffsetX, &highOffsetX)
261 SkVector sigma = mapSigma(fSigma, ctm); local
284 SkVector sigma = mapSigma(fSigma, ctx.ctm()); local
[all...] |
| /external/skia/src/effects/ |
| SkBlurMask.h | 18 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 The standard deviation of the gaussian blur kerne
[all...] |
| SkDropShadowImageFilter.cpp | 18 SkDropShadowImageFilter::SkDropShadowImageFilter(SkScalar dx, SkScalar dy, SkScalar sigma,
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.fX, sigma.fY))
131 SkVector sigma = SkVector::Make(fSigmaX, fSigmaY); local
[all...] |
| SkBlurImageFilter.cpp | 22 // 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 = SkVector::Make(fSigma.width(), fSigma.height()) local
271 SkVector sigma = SkVector::Make(fSigma.width(), fSigma.height()); local
[all...] |
| /external/chromium_org/third_party/skia/tests/ |
| BlurTest.cpp | 108 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) {
203 float k = SK_Scalar1/(sigma * sqrtf(2.0f*SK_ScalarPI));
204 float exponent = -(x * x) / (2 * sigma * sigma);
352 SkScalar sigma = 10.0f local
523 const SkScalar sigma = sigmas[j]; local
556 const SkScalar sigma = sigmas[j]; local
[all...] |
| /external/skia/tests/ |
| BlurTest.cpp | 108 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) {
203 float k = SK_Scalar1/(sigma * sqrtf(2.0f*SK_ScalarPI));
204 float exponent = -(x * x) / (2 * sigma * sigma);
352 SkScalar sigma = 10.0f local
523 const SkScalar sigma = sigmas[j]; local
556 const SkScalar sigma = sigmas[j]; local
[all...] |
| /external/chromium_org/third_party/skia/include/effects/ |
| SkBlurDrawLooper.h | 38 static SkBlurDrawLooper* Create(SkColor color, SkScalar sigma, SkScalar dx, SkScalar dy,
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);
|
| SkBlurMaskFilter.h | 19 * 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/ |
| SkBlurDrawLooper.h | 38 static SkBlurDrawLooper* Create(SkColor color, SkScalar sigma, SkScalar dx, SkScalar dy,
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);
|
| SkDropShadowImageFilter.h | 14 static SkDropShadowImageFilter* Create(SkScalar dx, SkScalar dy, SkScalar sigma,
16 return SkNEW_ARGS(SkDropShadowImageFilter, (dx, dy, sigma, color, input));
29 SkDropShadowImageFilter(SkScalar dx, SkScalar dy, SkScalar sigma, SkColor,
|
| SkBlurMaskFilter.h | 19 * 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/skia/ext/ |
| recursive_gaussian_convolution.h | 27 static float qFromSigma(float sigma);
29 SK_API RecursiveFilter(float sigma, Order order);
|
| /external/iproute2/netem/ |
| normal.c | 18 normal(double x, double mu, double sigma)
20 return .5 + .5*erf((x-mu)/(sqrt(2.0)*sigma));
|
| stats.c | 24 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));*/
|
| /external/eigen/Eigen/src/Cholesky/ |
| LLT_MKL.h | 75 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); \
|
| /frameworks/base/libs/hwui/utils/ |
| Blur.cpp | 35 float Blur::convertSigmaToRadius(float sigma) {
36 return sigma > 0.5f ? (sigma - 0.5f) / BLUR_SIGMA_SCALE : 0.0f;
52 * for sigma and to preserve compatibility we have kept that logic.
54 * Based on some experimental radius and sigma values we approximate the
55 * equation sigma = f(radius) as sigma = radius * 0.3 + 0.6. The larger the
57 * large sigma the gaussian curve begins to lose its shape.
68 // g(x) = ( 1 / sqrt( 2 * pi ) * sigma) * e ^ ( -x^2 / 2 * sigma^2
71 float sigma = legacyConvertRadiusToSigma((float) radius); local
[all...] |
| Blur.h | 28 // If radius > 0, return the corresponding sigma, else return 0
30 // If sigma > 0.5, return the corresponding radius, else return 0
31 ANDROID_API static float convertSigmaToRadius(float sigma);
32 // If the original radius was on an integer boundary then after the sigma to
|
| /external/chromium_org/third_party/skia/gm/ |
| spritebitmap.cpp | 84 SkScalar sigma = 8; local
85 SkAutoTUnref<SkImageFilter> filter(SkBlurImageFilter::Create(sigma, sigma));
|
| /external/skia/gm/ |
| spritebitmap.cpp | 84 SkScalar sigma = 8; local
85 SkAutoTUnref<SkImageFilter> filter(SkBlurImageFilter::Create(sigma, sigma));
|
| /frameworks/base/core/jni/android/graphics/ |
| MaskFilter.cpp | 23 SkScalar sigma = SkBlurMask::ConvertRadiusToSigma(radius); local
24 SkMaskFilter* filter = SkBlurMaskFilter::Create((SkBlurStyle)blurStyle, sigma);
38 SkScalar sigma = SkBlurMask::ConvertRadiusToSigma(radius); local
39 SkMaskFilter* filter = SkBlurMaskFilter::CreateEmboss(sigma,
|
| /cts/tests/tests/renderscript/src/android/renderscript/cts/ |
| intrinsic_blur.rs | 55 float sigma = 0.4f * (float)radius + 0.6f;
56 float coeff1 = 1.0f / (sqrt( 2.0f * pi ) * sigma);
57 float coeff2 = - 1.0f / (2.0f * sigma * sigma);
|
