Searched refs:log2 (Results 1 - 25 of 61) sorted by relevance

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/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));
H A DLongMathTest.java142 LongMath.log2(0L, mode);
152 LongMath.log2(x, mode);
159 /* Relies on the correctness of BigIntegerMath.log2 for all modes except UNNECESSARY. */
164 assertEquals(BigIntegerMath.log2(valueOf(x), mode), LongMath.log2(x, mode));
175 assertEquals(x, 1L << LongMath.log2(x, UNNECESSARY));
/external/valgrind/main/memcheck/tests/
H A Dunit_libcbase.c417 CHECK( -1 == VG_(log2)(0) );
418 CHECK( 0 == VG_(log2)(1) );
419 CHECK( 1 == VG_(log2)(2) );
420 CHECK( -1 == VG_(log2)(3) );
421 CHECK( 2 == VG_(log2)(4) );
422 CHECK( -1 == VG_(log2)(5) );
423 CHECK( -1 == VG_(log2)(6) );
424 CHECK( -1 == VG_(log2)(7) );
425 CHECK( 3 == VG_(log2)(8) );
427 CHECK( -1 == VG_(log2)( 1
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/external/webkit/Source/ThirdParty/ANGLE/src/libGLESv2/
H A Dmathutil.h21 inline int log2(int x) function in namespace:gl
/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"
214 log2 "Mingw : Found $MINGW32_CC"
308 log2 "Object : $CC -o $TMPO -c $CFLAGS $TMPC"
316 log2 "Link : $LD -o $TMPE $TMPO $LDFLAGS"
324 log2 "Running: $*"
331 log2 "RunExec : $CC -o $TMPE $CFLAGS $TMPC"
/external/valgrind/main/coregrind/m_replacemalloc/
H A Dreplacemalloc_core.c59 VG_(log2)( VG_(clo_alignment) ) == -1 /* not a power of 2 */)
/external/webkit/Source/WebCore/platform/
H A DArena.cpp88 int log2; local
89 CEILING_LOG2(log2,i);
90 return log2;
/external/libffi/src/powerpc/
H A Dasm.h38 #define ALIGNARG(log2) log2
/external/valgrind/main/cachegrind/
H A Dcg-arch.c47 (-1 == VG_(log2)(cache->size/cache->line_size/cache->assoc)))
53 if (-1 == VG_(log2)(cache->line_size)) {
H A Dcg_sim.c64 c->line_size_bits = VG_(log2)(c->line_size);
65 c->tag_shift = c->line_size_bits + VG_(log2)(c->sets);
/external/webkit/Source/WebCore/loader/cache/
H A DMemoryCache.cpp352 unsigned log2 = 0; local
354 log2 += 1;
356 log2 += 16, i >>= 16;
358 log2 += 8, i >>= 8;
360 log2 += 4, i >>= 4;
362 log2 += 2, i >>= 2;
364 log2 += 1;
365 return log2;
/external/webkit/Source/WebCore/platform/audio/mac/
H A DFFTFrameMac.cpp49 m_log2FFTSize = static_cast<unsigned>(log2(fftSize));
157 int pow2size = static_cast<int>(log2(fftSize));
/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/grub/stage2/
H A Dfsys_fat.c58 log2 (unsigned long word) function
87 FAT_SUPER->sectsize_bits = log2 (FAT_CVT_U16 (bpb.bytes_per_sect));
89 = FAT_SUPER->sectsize_bits + log2 (bpb.sects_per_clust);
H A Dfsys_ext2fs.c196 #define log2(n) ffz(~(n)) macro
219 #define EXT2_ADDR_PER_BLOCK_BITS(s) (log2(EXT2_ADDR_PER_BLOCK(s)))
540 group_desc = group_id >> log2 (EXT2_DESC_PER_BLOCK (SUPERBLOCK));
556 >> log2 (EXT2_BLOCK_SIZE (SUPERBLOCK) / sizeof (struct ext2_inode)));
/external/skia/src/core/
H A DSkCordic.cpp284 float log2 = (float) f_log / 65536.0f; local
285 float error = fabsf(log - log2);
287 SkDebugf("log error : val = %g ; log = %g ; cordic = %g\n", val, log, log2);
/external/webkit/Source/WebCore/platform/audio/
H A DHRTFKernel.cpp57 ASSERT(1UL << static_cast<unsigned>(log2(analysisFFTSize)) == analysisFFTSize);
/external/valgrind/main/drd/scripts/
H A Dmeasurement-functions8 function log2 {
/external/webkit/Source/WebCore/platform/audio/fftw/
H A DFFTFrameFFTW.cpp60 , m_log2FFTSize(static_cast<unsigned>(log2(fftSize)))
268 int pow2size = static_cast<int>(log2(fftSize));
/external/webkit/Source/WebCore/platform/audio/mkl/
H A DFFTFrameMKL.cpp91 , m_log2FFTSize(static_cast<unsigned>(log2(fftSize)))
257 int pow2size = static_cast<int>(log2(fftSize));
/external/llvm/include/llvm/Target/
H A DTargetLibraryInfo.h120 /// double log2(double x);
121 log2, enumerator in enum:llvm::LibFunc::Func

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