Searched refs:log2 (Results 1 - 25 of 124) sorted by relevance

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/external/chromium_org/v8/test/mjsunit/es6/
H A Dmath-log2-log10.js28 [Math.log10, Math.log2].forEach( function(fun) {
44 assertEqualsDelta(i, Math.log2(Math.pow(2, i)), 1E-13);
/external/guava/guava-tests/test/com/google/common/math/
H A DDoubleMathTest.java291 int log2 = DoubleMath.log2(d, FLOOR);
292 assertTrue(StrictMath.pow(2.0, log2) <= d);
293 assertTrue(StrictMath.pow(2.0, log2 + 1) > d);
299 int log2 = DoubleMath.log2(d, CEILING);
300 assertTrue(StrictMath.pow(2.0, log2) >= d);
301 double z = StrictMath.pow(2.0, log2 - 1);
308 int log2 = DoubleMath.log2(
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H A DBigIntegerMathTest.java70 BigIntegerMath.log2(ZERO, mode);
80 BigIntegerMath.log2(x.negate(), mode);
90 int result = BigIntegerMath.log2(x, mode);
100 int result = BigIntegerMath.log2(x, mode);
113 assertEquals(x, ZERO.setBit(BigIntegerMath.log2(x, UNNECESSARY)));
123 int result = BigIntegerMath.log2(x, HALF_UP);
134 int result = BigIntegerMath.log2(x, HALF_DOWN);
143 // Relies on the correctness of log2(BigInteger, {HALF_UP,HALF_DOWN}).
146 int halfEven = BigIntegerMath.log2(x, HALF_EVEN);
149 boolean floorWasEven = (BigIntegerMath.log2(
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H A DIntMathTest.java97 @GwtIncompatible("log2")
101 IntMath.log2(0, mode);
107 @GwtIncompatible("log2")
112 IntMath.log2(x, mode);
119 // Relies on the correctness of BigIntegrerMath.log2 for all modes except UNNECESSARY.
124 assertEquals(BigIntegerMath.log2(valueOf(x), mode), IntMath.log2(x, mode));
130 @GwtIncompatible("log2")
136 assertEquals(x, 1 << IntMath.log2(x, UNNECESSARY));
/external/mockito/cglib-and-asm/src/org/mockito/cglib/core/
H A DTinyBitSet.java45 private static int log2(int i) { method in class:TinyBitSet
54 return log2(topbit(value));
/external/chromium_org/third_party/mesa/src/src/gallium/auxiliary/util/
H A Du_math.c46 /** log2(x), for x in [1.0, 2.0) */
55 log2_table[i] = (float) log2(1.0 + i * (1.0 / LOG2_TABLE_SCALE));
/external/mesa3d/src/gallium/auxiliary/util/
H A Du_math.c46 /** log2(x), for x in [1.0, 2.0) */
55 log2_table[i] = (float) log2(1.0 + i * (1.0 / LOG2_TABLE_SCALE));
/external/valgrind/main/memcheck/tests/
H A Dunit_libcbase.c419 CHECK( -1 == VG_(log2)(0) );
420 CHECK( 0 == VG_(log2)(1) );
421 CHECK( 1 == VG_(log2)(2) );
422 CHECK( -1 == VG_(log2)(3) );
423 CHECK( 2 == VG_(log2)(4) );
424 CHECK( -1 == VG_(log2)(5) );
425 CHECK( -1 == VG_(log2)(6) );
426 CHECK( -1 == VG_(log2)(7) );
427 CHECK( 3 == VG_(log2)(8) );
429 CHECK( -1 == VG_(log2)( 1
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/external/chromium_org/third_party/libvpx/source/libvpx/vp9/common/
H A Dvp9_tile_common.c18 static int get_tile_offset(int idx, int mis, int log2) { argument
20 const int offset = ((idx * sb_cols) >> log2) << MI_BLOCK_SIZE_LOG2;
/external/chromium_org/third_party/mesa/src/src/gallium/auxiliary/gallivm/
H A Df.cpp14 * for fast exp2/log2.
44 * - To compute log2 4th order polynomial between [0, 1/9] do:
67 boost::math::ntl::RR log2(const boost::math::ntl::RR& x) function
80 return log2((1.0 + sqrt(x))/(1.0 - sqrt(x)))/sqrt(x);
/external/libvpx/libvpx/vp9/common/
H A Dvp9_tile_common.c18 static int get_tile_offset(int idx, int mis, int log2) { argument
20 const int offset = ((idx * sb_cols) >> log2) << MI_BLOCK_SIZE_LOG2;
/external/mesa3d/src/gallium/auxiliary/gallivm/
H A Df.cpp14 * for fast exp2/log2.
44 * - To compute log2 4th order polynomial between [0, 1/9] do:
67 boost::math::ntl::RR log2(const boost::math::ntl::RR& x) function
80 return log2((1.0 + sqrt(x))/(1.0 - sqrt(x)))/sqrt(x);
/external/chromium_org/third_party/WebKit/Source/wtf/
H A DMathExtras.h105 // ANDROID and MSVC's math.h does not currently supply log2 or log2f.
106 inline double log2(double num) function
325 unsigned log2 = 0; local
327 log2 += 1;
329 log2 += 16, i >>= 16;
331 log2 += 8, i >>= 8;
333 log2 += 4, i >>= 4;
335 log2 += 2, i >>= 2;
337 log2 += 1;
338 return log2;
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/external/guava/guava/src/com/google/common/math/
H A DBigIntegerMath.java67 public static int log2(BigInteger x, RoundingMode mode) { method in class:BigIntegerMath
94 * Since sqrt(2) is irrational, log2(x) - logFloor cannot be exactly 0.5
233 int log2 = log2(x, FLOOR);
234 if(log2 < DoubleUtils.MAX_DOUBLE_EXPONENT) {
237 int shift = (log2 - DoubleUtils.SIGNIFICAND_BITS) & ~1; // even!
293 int approxSize = IntMath.divide(n * IntMath.log2(n, CEILING), Long.SIZE, CEILING);
303 // Use floor(log2(num)) + 1 to prevent overflow of multiplication.
304 int productBits = LongMath.log2(product, FLOOR) + 1;
305 int bits = LongMath.log2(startingNumbe
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H A DDoubleMath.java193 * {@link #log2(double, RoundingMode)} is faster.
195 public static double log2(double x) { method in class:DoubleMath
205 * <p>Regardless of the rounding mode, this is faster than {@code (int) log2(x)}.
211 public static int log2(double x, RoundingMode mode) { method in class:DoubleMath
215 return log2(x * IMPLICIT_BIT, mode) - SIGNIFICAND_BITS;
241 // so log2(x) is never exactly exponent + 0.5.
/external/qemu/android/build/
H A Dcommon.sh32 log2 () function
72 log2 "CPU=$CPU"
106 log2 "OS=$OS"
107 log2 "EXE=$EXE"
226 log2 "Mingw : Found $MINGW32_CC"
312 log2 "Object : $CC -o $TMPO -c $CFLAGS $TMPC"
320 log2 "Link : $LD -o $TMPE $TMPO $LDFLAGS"
328 log2 "Running: $*"
335 log2 "RunExec : $CC -o $TMPE $CFLAGS $TMPC"
/external/chromium_org/third_party/WebKit/Source/platform/audio/ffmpeg/
H A DFFTFrameFFMPEG.cpp54 , m_log2FFTSize(static_cast<unsigned>(log2(fftSize)))
170 int pow2size = static_cast<int>(log2(fftSize));
/external/chromium_org/third_party/WebKit/Source/platform/audio/mac/
H A DFFTFrameMac.cpp53 m_log2FFTSize = static_cast<unsigned>(log2(fftSize));
130 int pow2size = static_cast<int>(log2(fftSize));
/external/valgrind/main/coregrind/m_replacemalloc/
H A Dreplacemalloc_core.c61 VG_(log2)( VG_(clo_alignment) ) == -1 /* not a power of 2 */)
/external/chromium_org/third_party/brotli/src/brotli/enc/
H A Dliteral_cost.cc114 float lit_cost = log2(static_cast<double>(in_window_utf8[utf8_pos])
160 float lit_cost = log2(static_cast<double>(in_window) / histo);
/external/chromium_org/third_party/WebKit/Source/platform/audio/ipp/
H A DFFTFrameIPP.cpp47 , m_log2FFTSize(static_cast<unsigned>(log2(fftSize)))
/external/llvm/include/llvm/Transforms/Utils/
H A DVectorUtils.h37 case Intrinsic::log2:
148 case LibFunc::log2:
151 return checkUnaryFloatSignature(*CI, Intrinsic::log2);
/external/webrtc/src/common_audio/vad/
H A Dvad_filterbank.c233 int16_t zeros = 0, frac = 0, log2 = 0; local
245 // 160*log10(energy_s16*2^shfts) = 160*log10(2)*log2(energy_s16*2^shfts) =
246 // 160*log10(2)*(log2(energy_s16) + log2(2^shfts)) =
247 // 160*log10(2)*(log2(energy_s16) + shfts)
252 log2 = (int16_t) (((31 - zeros) << 10) + frac);
254 *log_energy = (int16_t) WEBRTC_SPL_MUL_16_16_RSFT(kLogConst, log2, 19)
/external/chromium_org/third_party/WebKit/Source/platform/audio/
H A DHRTFKernel.cpp57 ASSERT(1UL << static_cast<unsigned>(log2(analysisFFTSize)) == analysisFFTSize);
/external/chromium_org/third_party/WebKit/Source/platform/audio/android/
H A DFFTFrameOpenMAXDLAndroid.cpp47 , m_log2FFTSize(static_cast<unsigned>(log2(fftSize)))

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