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Searched refs:log2 (Results 1 – 25 of 104) sorted by relevance

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/freebsd-14.2/contrib/arm-optimized-routines/math/test/testcases/directed/
H A Dlog2.tst1 ; Directed test cases for log2
6 func=log2 op1=7ff80000.00000001 result=7ff80000.00000001 errno=0
7 func=log2 op1=fff80000.00000001 result=7ff80000.00000001 errno=0
8 func=log2 op1=7ff00000.00000001 result=7ff80000.00000001 errno=0 status=i
9 func=log2 op1=fff00000.00000001 result=7ff80000.00000001 errno=0 status=i
10 func=log2 op1=7ff00000.00000000 result=7ff00000.00000000 errno=0
12 func=log2 op1=7fefffff.ffffffff result=408fffff.ffffffff.ffa errno=0
14 func=log2 op1=3ff00000.00000000 result=00000000.00000000 errno=0
18 func=log2 op1=00000000.00000001 result=c090c800.00000000 errno=0
20 func=log2 op1=40000000.00000000 result=3ff00000.00000000 errno=0
[all …]
/freebsd-14.2/contrib/arm-optimized-routines/pl/math/test/testcases/directed/
H A Dlog2.tst1 ; Directed test cases for log2
6 func=log2 op1=7ff80000.00000001 result=7ff80000.00000001 errno=0
7 func=log2 op1=fff80000.00000001 result=7ff80000.00000001 errno=0
8 func=log2 op1=7ff00000.00000001 result=7ff80000.00000001 errno=0 status=i
9 func=log2 op1=fff00000.00000001 result=7ff80000.00000001 errno=0 status=i
10 func=log2 op1=7ff00000.00000000 result=7ff00000.00000000 errno=0
12 func=log2 op1=7fefffff.ffffffff result=408fffff.ffffffff.ffa errno=0
14 func=log2 op1=3ff00000.00000000 result=00000000.00000000 errno=0
18 func=log2 op1=00000000.00000001 result=c090c800.00000000 errno=0
20 func=log2 op1=40000000.00000000 result=3ff00000.00000000 errno=0
[all …]
/freebsd-14.2/contrib/arm-optimized-routines/pl/math/
H A Dsv_log2_3u.c22 return sv_call_f64 (log2, x, y, cmp); in special_case()
31 svfloat64_t SV_NAME_D1 (log2) (svfloat64_t x, const svbool_t pg) in SV_NAME_D1() argument
65 PL_SIG (SV, D, 1, log2, 0.01, 11.1)
66 PL_TEST_ULP (SV_NAME_D1 (log2), 2.09)
67 PL_TEST_EXPECT_FENV_ALWAYS (SV_NAME_D1 (log2))
68 PL_TEST_INTERVAL (SV_NAME_D1 (log2), -0.0, -0x1p126, 1000)
69 PL_TEST_INTERVAL (SV_NAME_D1 (log2), 0.0, 0x1p-126, 4000)
70 PL_TEST_INTERVAL (SV_NAME_D1 (log2), 0x1p-126, 0x1p-23, 50000)
71 PL_TEST_INTERVAL (SV_NAME_D1 (log2), 0x1p-23, 1.0, 50000)
72 PL_TEST_INTERVAL (SV_NAME_D1 (log2), 1.0, 100, 50000)
[all …]
H A Dv_log2f_2u5.c46 float32x4_t VPCS_ATTR V_NAME_F1 (log2) (float32x4_t x) in V_NAME_F1() argument
69 PL_SIG (V, F, 1, log2, 0.01, 11.1)
70 PL_TEST_ULP (V_NAME_F1 (log2), 1.99)
71 PL_TEST_EXPECT_FENV_ALWAYS (V_NAME_F1 (log2))
72 PL_TEST_INTERVAL (V_NAME_F1 (log2), -0.0, -0x1p126, 100)
73 PL_TEST_INTERVAL (V_NAME_F1 (log2), 0x1p-149, 0x1p-126, 4000)
74 PL_TEST_INTERVAL (V_NAME_F1 (log2), 0x1p-126, 0x1p-23, 50000)
75 PL_TEST_INTERVAL (V_NAME_F1 (log2), 0x1p-23, 1.0, 50000)
76 PL_TEST_INTERVAL (V_NAME_F1 (log2), 1.0, 100, 50000)
77 PL_TEST_INTERVAL (V_NAME_F1 (log2), 100, inf, 50000)
H A Dv_log2_3u.c61 return v_call_f64 (log2, x, vfmaq_f64 (w, r2, y), vmovl_u32 (special)); in special_case()
69 float64x2_t VPCS_ATTR V_NAME_D1 (log2) (float64x2_t x) in V_NAME_D1() argument
101 PL_SIG (V, D, 1, log2, 0.01, 11.1)
102 PL_TEST_ULP (V_NAME_D1 (log2), 2.09)
103 PL_TEST_EXPECT_FENV_ALWAYS (V_NAME_D1 (log2))
104 PL_TEST_INTERVAL (V_NAME_D1 (log2), -0.0, -0x1p126, 100)
105 PL_TEST_INTERVAL (V_NAME_D1 (log2), 0x1p-149, 0x1p-126, 4000)
106 PL_TEST_INTERVAL (V_NAME_D1 (log2), 0x1p-126, 0x1p-23, 50000)
107 PL_TEST_INTERVAL (V_NAME_D1 (log2), 0x1p-23, 1.0, 50000)
108 PL_TEST_INTERVAL (V_NAME_D1 (log2), 1.0, 100, 50000)
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H A Dsv_log2f_2u5.c44 svfloat32_t SV_NAME_F1 (log2) (svfloat32_t x, const svbool_t pg) in SV_NAME_F1() argument
78 PL_SIG (SV, F, 1, log2, 0.01, 11.1)
79 PL_TEST_ULP (SV_NAME_F1 (log2), 1.99)
80 PL_TEST_EXPECT_FENV_ALWAYS (SV_NAME_F1 (log2))
81 PL_TEST_INTERVAL (SV_NAME_F1 (log2), -0.0, -0x1p126, 4000)
82 PL_TEST_INTERVAL (SV_NAME_F1 (log2), 0.0, 0x1p-126, 4000)
83 PL_TEST_INTERVAL (SV_NAME_F1 (log2), 0x1p-126, 0x1p-23, 50000)
84 PL_TEST_INTERVAL (SV_NAME_F1 (log2), 0x1p-23, 1.0, 50000)
85 PL_TEST_INTERVAL (SV_NAME_F1 (log2), 1.0, 100, 50000)
86 PL_TEST_INTERVAL (SV_NAME_F1 (log2), 100, inf, 50000)
/freebsd-14.2/tools/test/stress2/misc/
H A Dfsck5.sh39 log2=/tmp/fsck5.sh.2.log
59 ) > $log2 2>&1
67 { cat $log2 $log1 sha256.out sha256-2.out; s=1; }
71 rm -f $log1 $log2
H A Dzfs13.sh46 log2=/tmp/zfs13.sh.2.log
69 ls -ls | grep output | tee $log2
78 cmp -s $log1 $log2
80 rm -f /tmp/lsholes $log1 $log2
/freebsd-14.2/sys/contrib/device-tree/Bindings/iio/dac/
H A Dadi,ad3552r.yaml95 adi,gain-scaling-p-inv-log2:
96 description: GainP = 1 / ( 2 ^ adi,gain-scaling-p-inv-log2)
100 adi,gain-scaling-n-inv-log2:
101 description: GainN = 1 / ( 2 ^ adi,gain-scaling-n-inv-log2)
110 - adi,gain-scaling-p-inv-log2
111 - adi,gain-scaling-n-inv-log2
211 adi,gain-scaling-p-inv-log2 = <1>;
212 adi,gain-scaling-n-inv-log2 = <2>;
/freebsd-14.2/contrib/arm-optimized-routines/math/tools/
H A Dlog2.sollya1 // polynomial for approximating log2(1+x)
7 // |log2(1+x)| > 0x1p-4 outside the interval
15 // find log2(1+x)/x polynomial with minimal relative error
16 // (minimal relative error polynomial for log2(1+x) is the same * x)
H A Dlog2_abs.sollya1 // polynomial for approximating log2(1+x)
15 // find log2(1+x) polynomial with minimal absolute error
35 //// g = f(x)/x = log2(1+x)/x; using taylor series
/freebsd-14.2/contrib/llvm-project/libcxx/include/__math/
H A Dlogarithms.h90 inline _LIBCPP_HIDE_FROM_ABI float log2(float __x) _NOEXCEPT { return __builtin_log2f(__x); } in log2() function
93 _LIBCPP_HIDE_FROM_ABI double log2(double __x) _NOEXCEPT { in log2() function
97 inline _LIBCPP_HIDE_FROM_ABI long double log2(long double __x) _NOEXCEPT { return __builtin_log2l(_… in log2() function
100 inline _LIBCPP_HIDE_FROM_ABI double log2(_A1 __x) _NOEXCEPT { in log2() function
/freebsd-14.2/contrib/llvm-project/clang/lib/Headers/hlsl/
H A Dhlsl_intrinsics.h248 half log2(half);
250 half2 log2(half2);
252 half3 log2(half3);
254 half4 log2(half4);
258 float log2(float);
260 float2 log2(float2);
262 float3 log2(float3);
264 float4 log2(float4);
267 double log2(double);
269 double2 log2(double2);
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/freebsd-14.2/contrib/arm-optimized-routines/math/
H A Dlog2.c30 log2 (double x) in log2() function
136 strong_alias (log2, __log2_finite) in strong_alias() argument
137 hidden_alias (log2, __ieee754_log2) in strong_alias()
139 long double log2l (long double x) { return log2 (x); } in strong_alias()
/freebsd-14.2/contrib/arm-optimized-routines/pl/math/tools/
H A Dv_log2f.sollya13 // find log2(1+x)/x polynomial with minimal relative error
14 // (minimal relative error polynomial for log2(1+x) is the same * x)
17 // f = log2(1+x)/x; using taylor series
/freebsd-14.2/contrib/llvm-project/llvm/lib/Analysis/
H A DHeatUtils.cpp66 double percent = (freq > 0) ? log2(double(freq)) / log2(maxFreq) : 0; in getHeatColor()
/freebsd-14.2/lib/msun/src/
H A De_log2.c39 log2(double x) in log2() function
113 __weak_reference(log2, log2l);
/freebsd-14.2/contrib/arm-optimized-routines/math/test/
H A Dmathbench_funcs.h14 D (log2, 0.01, 11.1)
15 D (log2, 0.999, 1.001)
H A Dulp_funcs.h15 F1 (log2)
22 D1 (log2)
H A Drunulp.sh54 t log2 0 0xffff000000000000 10000
55 t log2 0x1p-4 0x1p4 40000
56 t log2 0 inf 40000
/freebsd-14.2/lib/msun/tests/
H A Dlogarithm_test.c78 test(log2, x, result, exceptmask, excepts); \
137 ATF_CHECK_EQ(i, log2(ldexp(1.0, i))); in ATF_TC_BODY()
161 test(log2, 1.0, 0.0, ALL_STD_EXCEPT, 0); in ATF_TC_BODY()
225 test_tol(log2, tests[i].x, tests[i].log2x, DBL_ULP()); in ATF_TC_BODY()
/freebsd-14.2/sys/amd64/vmm/
H A Dx86.c69 log2(u_int x) in log2() function
154 width = MIN(0xF, log2(threads * cores)); in x86_emulate_cpuid()
288 (vcpu_id >> log2(threads + 1)); in x86_emulate_cpuid()
489 width = log2(logical_cpus); in x86_emulate_cpuid()
496 width = log2(logical_cpus); in x86_emulate_cpuid()
/freebsd-14.2/contrib/llvm-project/llvm/include/llvm/Analysis/
H A DVecFuncs.def236 TLI_DEFINE_VECFUNC("log2", "__log2d2", FIXED(2), "_ZGV_LLVM_N2v")
237 TLI_DEFINE_VECFUNC("llvm.log2.f64", "__log2d2", FIXED(2), "_ZGV_LLVM_N2v")
239 TLI_DEFINE_VECFUNC("llvm.log2.f32", "__log2f4", FIXED(4), "_ZGV_LLVM_N4v")
383 TLI_DEFINE_VECFUNC("log2", "__svml_log22", FIXED(2), "_ZGV_LLVM_N2v")
384 TLI_DEFINE_VECFUNC("log2", "__svml_log24", FIXED(4), "_ZGV_LLVM_N4v")
385 TLI_DEFINE_VECFUNC("log2", "__svml_log28", FIXED(8), "_ZGV_LLVM_N8v")
399 TLI_DEFINE_VECFUNC("llvm.log2.f64", "__svml_log22", FIXED(2), "_ZGV_LLVM_N2v")
400 TLI_DEFINE_VECFUNC("llvm.log2.f64", "__svml_log24", FIXED(4), "_ZGV_LLVM_N4v")
401 TLI_DEFINE_VECFUNC("llvm.log2.f64", "__svml_log28", FIXED(8), "_ZGV_LLVM_N8v")
539 TLI_DEFINE_VECFUNC("log2", "_ZGVnN2v_log2", FIXED(2), "_ZGV_LLVM_N2v")
[all …]
/freebsd-14.2/contrib/netbsd-tests/lib/libm/
H A Dt_log.c424 ATF_CHECK(log2(2.0) == 1.0); in ATF_TC_BODY()
438 ATF_CHECK(isnan(log2(x)) != 0); in ATF_TC_BODY()
450 const double y = log2(x); in ATF_TC_BODY()
465 ATF_CHECK(log2(x) == x); in ATF_TC_BODY()
476 const double x = log2(1.0); in ATF_TC_BODY()
494 ATF_CHECK(log2(x) == -HUGE_VAL); in ATF_TC_BODY()
507 ATF_CHECK(log2(x) == -HUGE_VAL); in ATF_TC_BODY()
/freebsd-14.2/contrib/llvm-project/clang/lib/Headers/
H A D__clang_cuda_math_forward_declares.h128 __DEVICE__ double log2(double);
129 __DEVICE__ float log2(float);
247 using ::log2;

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