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Searched refs:alpha (Results 1 – 25 of 1596) sorted by relevance

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/external/skia/src/core/
DSkAntiRun.h25 static inline SkAlpha CatchOverflow(int alpha) { in CatchOverflow() argument
26 SkASSERT(alpha >= 0 && alpha <= 256); in CatchOverflow()
27 return alpha - (alpha >> 8); in CatchOverflow()
61 uint8_t* alpha = fAlpha + offsetX; in add() local
62 uint8_t* lastAlpha = alpha; in add()
66 SkAlphaRuns::Break(runs, alpha, x, 1); in add()
72 unsigned tmp = alpha[x] + startAlpha; in add()
74alpha[x] = SkToU8(tmp - (tmp >> 8)); // was (tmp >> 7), but that seems wrong if we're trying to… in add()
77 alpha += x + 1; in add()
83 SkAlphaRuns::Break(runs, alpha, x, middleCount); in add()
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DSkBlitRow_D32.cpp18 int count, U8CPU alpha) { in S32_Opaque_BlitRow32() argument
19 SkASSERT(255 == alpha); in S32_Opaque_BlitRow32()
25 int count, U8CPU alpha) { in S32_Blend_BlitRow32() argument
26 SkASSERT(alpha <= 255); in S32_Blend_BlitRow32()
28 unsigned src_scale = SkAlpha255To256(alpha); in S32_Blend_BlitRow32()
59 int count, U8CPU alpha) { in S32A_Blend_BlitRow32() argument
60 SkASSERT(alpha <= 255); in S32A_Blend_BlitRow32()
64 *dst = SkBlendARGB32(*(src++), *dst, alpha); in S32A_Blend_BlitRow32()
71 *dst = SkBlendARGB32(*(src++), *dst, alpha); in S32A_Blend_BlitRow32()
73 *dst = SkBlendARGB32(*(src++), *dst, alpha); in S32A_Blend_BlitRow32()
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/external/cblas/include/
Dcblas.h25 float cblas_sdsdot(const int N, const float alpha, const float *X,
85 void cblas_saxpy(const int N, const float alpha, const float *X,
92 void cblas_daxpy(const int N, const double alpha, const double *X,
99 void cblas_caxpy(const int N, const void *alpha, const void *X,
106 void cblas_zaxpy(const int N, const void *alpha, const void *X,
131 void cblas_sscal(const int N, const float alpha, float *X, const int incX);
132 void cblas_dscal(const int N, const double alpha, double *X, const int incX);
133 void cblas_cscal(const int N, const void *alpha, void *X, const int incX);
134 void cblas_zscal(const int N, const void *alpha, void *X, const int incX);
135 void cblas_csscal(const int N, const float alpha, void *X, const int incX);
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/external/ImageMagick/MagickCore/
Dcomposite-private.h35 static inline double MagickOver_(const double p,const double alpha, in MagickOver_() argument
42 Sa=QuantumScale*alpha; in MagickOver_()
53 const double alpha,const Quantum *q,const double beta,Quantum *composite) in CompositePixelOver() argument
66 Sa=QuantumScale*alpha; in CompositePixelOver()
86 composite[i]=ClampToQuantum(gamma*MagickOver_((double) p->red,alpha, in CompositePixelOver()
92 composite[i]=ClampToQuantum(gamma*MagickOver_((double) p->green,alpha, in CompositePixelOver()
98 composite[i]=ClampToQuantum(gamma*MagickOver_((double) p->blue,alpha, in CompositePixelOver()
104 composite[i]=ClampToQuantum(gamma*MagickOver_((double) p->black,alpha, in CompositePixelOver()
123 const double alpha,const PixelInfo *q,const double beta,PixelInfo *composite) in CompositePixelInfoOver() argument
133 Sa=QuantumScale*alpha; in CompositePixelInfoOver()
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Dpixel.c2173 pixel->alpha=(double) OpaqueAlpha; in GetPixelInfo()
4509 alpha, in CatromWeights() local
4520 alpha=(double) 1.0-x; in CatromWeights()
4521 beta=(double) (-0.5)*x*alpha; in CatromWeights()
4522 (*weights)[0]=alpha*beta; in CatromWeights()
4529 (*weights)[1]=alpha-(*weights)[0]+gamma; in CatromWeights()
4536 alpha, in SplineWeights() local
4545 alpha=(double) 1.0-x; in SplineWeights()
4547 (*weights)[0]=(double) (1.0/6.0)*alpha*alpha*alpha; in SplineWeights()
4549 (*weights)[1]=alpha-(*weights)[0]+beta; in SplineWeights()
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/external/apache-commons-math/src/main/java/org/apache/commons/math/distribution/
DBetaDistributionImpl.java51 private double alpha; field in BetaDistributionImpl
72 public BetaDistributionImpl(double alpha, double beta, double inverseCumAccuracy) { in BetaDistributionImpl() argument
73 this.alpha = alpha; in BetaDistributionImpl()
84 public BetaDistributionImpl(double alpha, double beta) { in BetaDistributionImpl() argument
85 this(alpha, beta, DEFAULT_INVERSE_ABSOLUTE_ACCURACY); in BetaDistributionImpl()
92 public void setAlpha(double alpha) { in setAlpha() argument
93 this.alpha = alpha; in setAlpha()
99 return alpha; in getAlpha()
121 z = Gamma.logGamma(alpha) + Gamma.logGamma(beta) - Gamma.logGamma(alpha + beta); in recomputeZ()
150 if (alpha < 1) { in density()
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DGammaDistributionImpl.java45 private double alpha; field in GammaDistributionImpl
58 public GammaDistributionImpl(double alpha, double beta) { in GammaDistributionImpl() argument
59 this(alpha, beta, DEFAULT_INVERSE_ABSOLUTE_ACCURACY); in GammaDistributionImpl()
70 public GammaDistributionImpl(double alpha, double beta, double inverseCumAccuracy) { in GammaDistributionImpl() argument
72 setAlphaInternal(alpha); in GammaDistributionImpl()
100 ret = Gamma.regularizedGammaP(alpha, x / beta); in cumulativeProbability()
138 public void setAlpha(double alpha) { in setAlpha() argument
139 setAlphaInternal(alpha); in setAlpha()
153 this.alpha = newAlpha; in setAlphaInternal()
161 return alpha; in getAlpha()
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/external/llvm/test/Transforms/LoopReroll/
Dbasic32iters.ll5 ; void goo32(float alpha, float *a, float *b) {
7 ; a[i] += alpha * b[i];
8 ; a[i + 1] += alpha * b[i + 1];
9 ; a[i + 2] += alpha * b[i + 2];
10 ; a[i + 3] += alpha * b[i + 3];
11 ; a[i + 4] += alpha * b[i + 4];
12 ; a[i + 5] += alpha * b[i + 5];
13 ; a[i + 6] += alpha * b[i + 6];
14 ; a[i + 7] += alpha * b[i + 7];
15 ; a[i + 8] += alpha * b[i + 8];
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/external/webp/src/dsp/
Dalpha_processing_neon.c26 const uint8x8_t alpha = (V).val[(ALPHA)]; \
27 const uint16x8_t r1 = vmull_u8((V).val[1], alpha); \
28 const uint16x8_t g1 = vmull_u8((V).val[2], alpha); \
29 const uint16x8_t b1 = vmull_u8((V).val[(OTHER)], alpha); \
65 const uint8_t* const alpha = rgba + (alpha_first ? 0 : 3); in ApplyAlphaMultiply_NEON() local
66 const uint32_t a = alpha[4 * i]; in ApplyAlphaMultiply_NEON()
83 static int DispatchAlpha_NEON(const uint8_t* alpha, int alpha_stride, in DispatchAlpha_NEON() argument
96 const uint8x8_t alphas = vld1_u8(alpha + i); in DispatchAlpha_NEON()
102 const uint32_t alpha_value = alpha[i]; in DispatchAlpha_NEON()
106 alpha += alpha_stride; in DispatchAlpha_NEON()
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Dalpha_processing.c145 const uint32_t alpha = (argb >> 24) & 0xff; in WebPMultARGBRowC() local
146 const uint32_t scale = GetScale(alpha, inverse); in WebPMultARGBRowC()
157 void WebPMultRowC(uint8_t* const ptr, const uint8_t* const alpha, in WebPMultRowC() argument
161 const uint32_t a = alpha[x]; in WebPMultRowC()
178 void (*WebPMultRow)(uint8_t* const ptr, const uint8_t* const alpha,
194 const uint8_t* alpha, int alpha_stride, in WebPMultRows() argument
198 WebPMultRow(ptr, alpha, width, inverse); in WebPMultRows()
200 alpha += alpha_stride; in WebPMultRows()
224 const uint8_t* const alpha = rgba + (alpha_first ? 0 : 3); in ApplyAlphaMultiply() local
227 const uint32_t a = alpha[4 * i]; in ApplyAlphaMultiply()
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/external/pdfium/third_party/lcms2-2.6/src/
Dcmssm.c45 cmsFloat64Number alpha; member
131 sp ->alpha = sp ->theta = 0; in ToSpherical()
135 sp ->alpha = _cmsAtan2(a, b); in ToSpherical()
150 sin_alpha = sin((M_PI * sp ->alpha) / 180.0); in ToCartesian()
151 cos_alpha = cos((M_PI * sp ->alpha) / 180.0); in ToCartesian()
168 void QuantizeToSector(const cmsSpherical* sp, int* alpha, int* theta) in QuantizeToSector() argument
170 *alpha = (int) floor(((sp->alpha * (SECTORS)) / 360.0) ); in QuantizeToSector()
173 if (*alpha >= SECTORS) in QuantizeToSector()
174 *alpha = SECTORS-1; in QuantizeToSector()
325 int alpha, theta; in GetPoint() local
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/external/apache-commons-math/src/main/java/org/apache/commons/math/stat/inference/
DTestUtils.java176 double alpha) in homoscedasticTTest() argument
178 return tTest. homoscedasticTTest(sample1, sample2, alpha); in homoscedasticTTest()
210 double alpha) in pairedTTest() argument
212 return tTest.pairedTTest(sample1, sample2, alpha); in pairedTTest()
259 public static boolean tTest(double mu, double[] sample, double alpha) in tTest() argument
261 return tTest.tTest(mu, sample, alpha); in tTest()
276 double alpha) in tTest() argument
278 return tTest. tTest(mu, sampleStats, alpha); in tTest()
292 public static boolean tTest(double[] sample1, double[] sample2, double alpha) in tTest() argument
294 return tTest.tTest(sample1, sample2, alpha); in tTest()
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DTTestImpl.java167 public boolean pairedTTest(double[] sample1, double[] sample2, double alpha) in pairedTTest() argument
169 checkSignificanceLevel(alpha); in pairedTTest()
170 return pairedTTest(sample1, sample2) < alpha; in pairedTTest()
451 public boolean tTest(double mu, double[] sample, double alpha) in tTest() argument
453 checkSignificanceLevel(alpha); in tTest()
454 return tTest(mu, sample) < alpha; in tTest()
529 double alpha) in tTest() argument
531 checkSignificanceLevel(alpha); in tTest()
532 return tTest(mu, sampleStats) < alpha; in tTest()
676 double alpha) in tTest() argument
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/external/libvpx/libvpx/vp8/common/
Dpostproc.c159 int y_1, int u_1, int v_1, int alpha, int stride) { in vp8_blend_mb_inner_c() argument
161 int y1_const = y_1 * ((1 << 16) - alpha); in vp8_blend_mb_inner_c()
162 int u1_const = u_1 * ((1 << 16) - alpha); in vp8_blend_mb_inner_c()
163 int v1_const = v_1 * ((1 << 16) - alpha); in vp8_blend_mb_inner_c()
168 y[j] = (y[j] * alpha + y1_const) >> 16; in vp8_blend_mb_inner_c()
180 u[j] = (u[j] * alpha + u1_const) >> 16; in vp8_blend_mb_inner_c()
181 v[j] = (v[j] * alpha + v1_const) >> 16; in vp8_blend_mb_inner_c()
192 int y_1, int u_1, int v_1, int alpha, int stride) { in vp8_blend_mb_outer_c() argument
194 int y1_const = y_1 * ((1 << 16) - alpha); in vp8_blend_mb_outer_c()
195 int u1_const = u_1 * ((1 << 16) - alpha); in vp8_blend_mb_outer_c()
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/external/webp/src/enc/
Danalysis_enc.c92 const int alpha = 255 * (centers[n] - mid) / (max - min); in SetSegmentAlphas() local
94 enc->dqm_[n].alpha_ = clip(alpha, -127, 127); in SetSegmentAlphas()
106 #define IS_BETTER_ALPHA(alpha, best_alpha) ((alpha) > (best_alpha)) argument
108 static int FinalAlphaValue(int alpha) { in FinalAlphaValue() argument
109 alpha = MAX_ALPHA - alpha; in FinalAlphaValue()
110 return clip(alpha, 0, MAX_ALPHA); in FinalAlphaValue()
119 const int alpha = in GetAlpha() local
121 return alpha; in GetAlpha()
215 const int alpha = mb->alpha_; in AssignSegments() local
216 mb->segment_ = map[alpha]; in AssignSegments()
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/external/libpng/tests/
Dpngstest18 alpha="$1"
43 *-alpha[-.]*)
44 test "$alpha" = "alpha" && args="$args $g";;
47 test "$alpha" = "tRNS" -o "$alpha" = "none" && args="$args $g";;
50 test "$alpha" = "opaque" -o "$alpha" = "none" && args="$args $g";;
54 exec ./pngstest --tmpfile "${gamma}-${alpha}-" --log ${1+"$@"} $args
/external/swiftshader/third_party/PowerVR_SDK/Tools/
DPVRTDecompress.cpp37 PVRTuint8 red,green,blue,alpha; member
42 PVRTint32 red,green,blue,alpha; member
72 colour.alpha = (PVRTuint8)0xf;// 0->4 bits in getColourA()
80 colour.alpha = (PVRTuint8)((u32ColourData & 0x7000) >> 11);// 3->4 bits - note 0 at right in getColourA()
102 colour.alpha = (PVRTuint8)0xf;// 0 bits in getColourB()
110 colour.alpha = (PVRTuint8)((u32ColourData & 0x70000000) >> 27);// 3->4 bits - note 0 at right in getColourB()
132 Pixel128S hP = {(PVRTint32)P.red,(PVRTint32)P.green,(PVRTint32)P.blue,(PVRTint32)P.alpha}; in interpolateColours()
133 Pixel128S hQ = {(PVRTint32)Q.red,(PVRTint32)Q.green,(PVRTint32)Q.blue,(PVRTint32)Q.alpha}; in interpolateColours()
134 Pixel128S hR = {(PVRTint32)R.red,(PVRTint32)R.green,(PVRTint32)R.blue,(PVRTint32)R.alpha}; in interpolateColours()
135 Pixel128S hS = {(PVRTint32)S.red,(PVRTint32)S.green,(PVRTint32)S.blue,(PVRTint32)S.alpha}; in interpolateColours()
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/external/mesa3d/src/mesa/swrast/
Ds_alpha.c135 GLfixed alpha = span->alpha; in _swrast_alpha_test() local
138 ALPHA_TEST(FixedToInt(alpha), alpha += alphaStep); in _swrast_alpha_test()
142 GLfixed alpha = span->alpha; in _swrast_alpha_test() local
145 ALPHA_TEST(FixedToInt(alpha), alpha += alphaStep); in _swrast_alpha_test()
149 GLfloat alpha = FixedToFloat(span->alpha); in _swrast_alpha_test() local
151 ALPHA_TEST(alpha, alpha += alphaStep); in _swrast_alpha_test()
/external/skia/tests/
DSrcOverTest.cpp12 static int test_srcover0(unsigned dst, unsigned alpha) { in test_srcover0() argument
13 return alpha + SkAlphaMul(dst, SkAlpha255To256(255 - alpha)); in test_srcover0()
17 static int test_srcover1(unsigned dst, unsigned alpha) { in test_srcover1() argument
18 return alpha + SkAlphaMul(dst, 256 - alpha); in test_srcover1()
22 static int test_srcover2(unsigned dst, unsigned alpha) { in test_srcover2() argument
23 return alpha + SkMulDiv255Round(dst, 255 - alpha); in test_srcover2()
/external/eigen/blas/f2c/
Dchpmv.c15 /* Subroutine */ int chpmv_(char *uplo, integer *n, complex *alpha, complex * in chpmv_() argument
166 if (*n == 0 || (alpha->r == 0.f && alpha->i == 0.f && (beta->r == 1.f && in chpmv_()
235 if (alpha->r == 0.f && alpha->i == 0.f) { in chpmv_()
247 q__1.r = alpha->r * x[i__2].r - alpha->i * x[i__2].i, q__1.i = in chpmv_()
248 alpha->r * x[i__2].i + alpha->i * x[i__2].r; in chpmv_()
277 q__4.r = alpha->r * temp2.r - alpha->i * temp2.i, q__4.i = in chpmv_()
278 alpha->r * temp2.i + alpha->i * temp2.r; in chpmv_()
290 q__1.r = alpha->r * x[i__2].r - alpha->i * x[i__2].i, q__1.i = in chpmv_()
291 alpha->r * x[i__2].i + alpha->i * x[i__2].r; in chpmv_()
322 q__4.r = alpha->r * temp2.r - alpha->i * temp2.i, q__4.i = in chpmv_()
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Dzhpmv.c15 /* Subroutine */ int zhpmv_(char *uplo, integer *n, doublecomplex *alpha, in zhpmv_() argument
166 if (*n == 0 || (alpha->r == 0. && alpha->i == 0. && (beta->r == 1. && in zhpmv_()
235 if (alpha->r == 0. && alpha->i == 0.) { in zhpmv_()
247 z__1.r = alpha->r * x[i__2].r - alpha->i * x[i__2].i, z__1.i = in zhpmv_()
248 alpha->r * x[i__2].i + alpha->i * x[i__2].r; in zhpmv_()
277 z__4.r = alpha->r * temp2.r - alpha->i * temp2.i, z__4.i = in zhpmv_()
278 alpha->r * temp2.i + alpha->i * temp2.r; in zhpmv_()
290 z__1.r = alpha->r * x[i__2].r - alpha->i * x[i__2].i, z__1.i = in zhpmv_()
291 alpha->r * x[i__2].i + alpha->i * x[i__2].r; in zhpmv_()
322 z__4.r = alpha->r * temp2.r - alpha->i * temp2.i, z__4.i = in zhpmv_()
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/external/libpng/contrib/pngminus/
Dpnm2png.bat15 REM -- gray with alpha-channel
16 pnm2png.exe -alpha basn6a08.pgm basn4a08.pgm basn4a08.png
17 pnm2png.exe -alpha basn6a16.pgm basn4a16.pgm basn4a16.png
18 REM -- color with alpha-channel
19 pnm2png.exe -alpha basn6a08.pgm basn6a08.ppm basn6a08.png
20 pnm2png.exe -alpha basn6a16.pgm basn6a16.ppm basn6a16.png
35 REM -- gray with alpha-channel
36 pnm2png.exe -alpha rawn6a08.pgm rawn4a08.pgm rawn4a08.png
37 pnm2png.exe -alpha rawn6a16.pgm rawn4a16.pgm rawn4a16.png
38 REM -- color with alpha-channel
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/external/skia/include/codec/
DSkEncodedInfo.h70 static SkEncodedInfo Make(Color color, Alpha alpha, int bitsPerComponent) { in Make()
79 SkASSERT(kOpaque_Alpha == alpha); in Make()
82 SkASSERT(kOpaque_Alpha != alpha); in Make()
90 SkASSERT(kOpaque_Alpha == alpha); in Make()
96 SkASSERT(kOpaque_Alpha == alpha); in Make()
100 SkASSERT(kOpaque_Alpha != alpha); in Make()
105 SkASSERT(kOpaque_Alpha != alpha); in Make()
113 return SkEncodedInfo(color, alpha, bitsPerComponent); in Make()
158 Alpha alpha() const { return fAlpha; } in alpha() function
188 SkEncodedInfo(Color color, Alpha alpha, uint8_t bitsPerComponent) in SkEncodedInfo()
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/external/webrtc/webrtc/base/
Dexp_filter.cc19 void ExpFilter::Reset(float alpha) { in Reset() argument
20 alpha_ = alpha; in Reset()
31 float alpha = pow(alpha_, exp); in Apply() local
32 filtered_ = alpha * filtered_ + (1 - alpha) * sample; in Apply()
40 void ExpFilter::UpdateBase(float alpha) { in UpdateBase() argument
41 alpha_ = alpha; in UpdateBase()
/external/speex/libspeex/
Dscal.c76 float *alpha; member
99 st->alpha = speex_alloc(channels*sizeof(float)); in speex_decorrelate_new()
113 st->alpha[ch] = 0; in speex_decorrelate_new()
160 float alpha; in speex_decorrelate() local
166 alpha = st->alpha[ch]; in speex_decorrelate()
185 …st->y[i] = alpha*(x[i-ALLPASS_ORDER+order]-beta*x[i-ALLPASS_ORDER+order-1])*st->vorbis_win[st->fra… in speex_decorrelate()
187 - alpha*(ring[ringID] in speex_decorrelate()
204 alpha = alpha + .4*uni_rand(&st->seed); in speex_decorrelate()
205 if (alpha > max_alpha) in speex_decorrelate()
206 alpha = max_alpha; in speex_decorrelate()
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