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/netbsd-src/sys/arch/m68k/fpsp/
H A Dsetox.sa66 * argument X whose magnitude is less than 16380 log2, which
72 * argument X, 0.25 <= |X| < 70log2. For |X| < 0.25, it takes
111 * Step 2. Calculate N = round-to-nearest-int( X * 64/log2 ).
113 * 2.2 N := round-to-nearest-integer( X * 64/log2 ).
131 * Z = X*(64/log2)*(1+eps), |eps| <= 2^(-24).
135 * Step 3. Calculate X - N*log2/64.
136 * 3.1 R := X + N*L1, where L1 := single-precision(-log2/64).
137 * 3.2 R := R + N*L2, L2 := extended-precision(-log2/64 - L1).
139 * the value -log2/64 to 88 bits of accuracy.
147 * N = rnd-to-int( X*64/log2 (1+eps) ), |eps|<=2^(-24)
[all …]
H A Dscosh.sa55 * 1. If |X| > 16380 log2, go to 3.
57 * 2. (|X| <= 16380 log2) Cosh(X) is obtained by the formulae
62 * 3. (|X| > 16380 log2). If |X| > 16480 log2, go to 5.
64 * 4. (16380 log2 < |X| <= 16480 log2)
70 * Y' := Y - 16381 log2
74 * 5. (|X| > 16480 log2) sinh(X) must overflow. Return
H A Dssinh.sa55 * 1. If |X| > 16380 log2, go to 3.
57 * 2. (|X| <= 16380 log2) Sinh(X) is obtained by the formulae
62 * 3. If |X| > 16480 log2, go to 5.
64 * 4. (16380 log2 < |X| <= 16480 log2)
71 * Y' := Y - 16381 log2
75 * 5. (|X| > 16480 log2) sinh(X) must overflow. Return
H A Dstanh.sa55 * 1. If |X| >= (5/2) log2 or |X| <= 2**(-40), go to 3.
57 * 2. (2**(-40) < |X| < (5/2) log2) Calculate tanh(X) by
62 * 3. (|X| <= 2**(-40) or |X| >= (5/2) log2). If |X| < 1,
65 * 4. (|X| >= (5/2) log2) If |X| >= 50 log2, go to 6.
67 * 5. ((5/2) log2 <= |X| < 50 log2) Calculate tanh(X) by
72 * 6. (|X| >= 50 log2) Tanh(X) = +-1 (round to nearest). Thus, we
/netbsd-src/tests/lib/libm/
H A Dt_log.c440 * log2(3) in ATF_TC_BODY()
492 atf_tc_set_md_var(tc, "descr", "Test log2/f/l on invalid inputs");
500 CHECK_NAN(i, log2, logf_invalid[i]);
505 CHECK_NAN(i, log2, log_invalid[i]); in ATF_TC_BODY()
517 atf_tc_set_md_var(tc, "descr", "Test log2/f/l on zero"); in ATF_TC_BODY()
523 CHECK_EQ(0, log2, +0., -HUGE_VAL); in ATF_TC_BODY()
527 CHECK_EQ(1, log2, -0., -HUGE_VAL); in ATF_TC_HEAD()
534 atf_tc_set_md_var(tc, "descr", "Test log2/f/l exact cases"); in ATF_TC_BODY()
541 ATF_CHECK_EQ(signbit(log2(1)), 0);
549 CHECK_EQ(i, log2, in ATF_TC_BODY()
[all...]
/netbsd-src/external/apache2/llvm/dist/llvm/include/llvm/Analysis/
H A DVecFuncs.def234 TLI_DEFINE_VECFUNC("log2", "__log2d2_P8", FIXED(2))
235 TLI_DEFINE_VECFUNC("llvm.log2.f64", "__log2d2_P8", FIXED(2))
237 TLI_DEFINE_VECFUNC("llvm.log2.f32", "__log2f4_P8", FIXED(4))
381 TLI_DEFINE_VECFUNC("log2", "__svml_log22", FIXED(2))
382 TLI_DEFINE_VECFUNC("log2", "__svml_log24", FIXED(4))
383 TLI_DEFINE_VECFUNC("log2", "__svml_log28", FIXED(8))
397 TLI_DEFINE_VECFUNC("llvm.log2.f64", "__svml_log22", FIXED(2))
398 TLI_DEFINE_VECFUNC("llvm.log2.f64", "__svml_log24", FIXED(4))
399 TLI_DEFINE_VECFUNC("llvm.log2.f64", "__svml_log28", FIXED(8))
401 TLI_DEFINE_VECFUNC("llvm.log2.f32", "__svml_log2f4", FIXED(4))
[all …]
/netbsd-src/lib/libm/noieee_src/
H A Dn_log2.c56 __weak_alias(log2, _log2) in __weak_alias() argument
58 log2(double x) in __weak_alias()
/netbsd-src/lib/libm/src/
H A Dw_log2.c32 __weak_alias(log2, _log2) in __weak_alias()
34 log2(double x) /* wrapper log10 */ in __weak_alias()
/netbsd-src/external/apache2/llvm/dist/llvm/lib/Analysis/
H A DHeatUtils.cpp65 double percent = (freq > 0) ? log2(double(freq)) / log2(maxFreq) : 0; in getHeatColor()
/netbsd-src/sys/external/bsd/drm2/dist/drm/nouveau/nvkm/subdev/pmu/fuc/
H A Dhost.fuc40 .equ #fifo_qlen 4 // log2(size of queue entry in bytes)
41 .equ #fifo_qnum 3 // log2(max number of entries in queue)
49 .equ #rfifo_qlen 4 // log2(size of queue entry in bytes)
50 .equ #rfifo_qnum 3 // log2(max number of entries in queue)
/netbsd-src/sys/arch/arm/arm/
H A Dcpufunc_asm_armv7.S183 and r2, r2, #7 @ get line size (log2(size)-4, 0=16)
184 and r3, r3, #7 @ get line size (log2(size)-4, 0=16)
224 and r2, r2, #7 @ get line size (log2(size)-4, 0=16)
246 and r2, r2, #7 @ get line size (log2(size)-4, 0=16)
268 and r2, r2, #7 @ get line size (log2(size)-4, 0=16)
291 and r2, r2, #7 @ get line size (log2(size)-4, 0=16)
342 lsl r2, r2, r0 @ shift sets by log2(linesize)
/netbsd-src/external/gpl3/gcc/dist/libgcc/config/avr/libf7/
H A Dlibf7-common.mk9 F7_C_PARTS += horner logx log log10 log2 exp pow10 pow powi
39 m_dd += sqrt cbrt exp exp10 pow10 log log10 log2 sin cos tan cotan asin acos atan
58 F7F += lrint ldexp frexp exp logx log log10 log2
/netbsd-src/external/gpl3/gcc.old/dist/libgcc/config/avr/libf7/
H A Dlibf7-common.mk9 F7_C_PARTS += horner logx log log10 log2 exp pow10 pow powi
39 m_dd += sqrt cbrt exp exp10 pow10 log log10 log2 sin cos tan cotan asin acos atan
58 F7F += lrint ldexp frexp exp logx log log10 log2
/netbsd-src/external/apache2/llvm/dist/clang/lib/Headers/
H A D__clang_cuda_math_forward_declares.h128 __DEVICE__ double log2(double);
129 __DEVICE__ float log2(float);
247 using ::log2;
/netbsd-src/external/gpl3/gcc.old/dist/gcc/
H A Dtree-phinodes.c146 int log2, new_len; in ideal_phi_node_len() local
157 log2 = ceil_log2 (size); in ideal_phi_node_len()
158 new_size = 1 << log2; in ideal_phi_node_len()
/netbsd-src/external/gpl3/gcc/dist/gcc/
H A Dtree-phinodes.cc146 int log2, new_len; in ideal_phi_node_len() local
157 log2 = ceil_log2 (size); in ideal_phi_node_len()
158 new_size = 1 << log2; in ideal_phi_node_len()
/netbsd-src/external/apache2/llvm/dist/llvm/utils/benchmark/src/
H A Dcomplexity.cc37 return [](int64_t n) { return log2(n); }; in FittingCurve()
39 return [](int64_t n) { return n * log2(n); }; in FittingCurve()
/netbsd-src/sys/stand/efiboot/bootarm/
H A Dcache.S39 and r2, r2, #7 @ get line size (log2(size)-4, 0=16)
132 lsl r2, r2, r0 @ shift sets by log2(linesize)
/netbsd-src/external/gpl3/gcc.old/dist/gcc/ginclude/
H A Dtgmath.h103 #define log2(x) __TGMATH_REAL(x, log2) macro
/netbsd-src/external/gpl3/gcc/dist/gcc/ginclude/
H A Dtgmath.h103 #define log2(x) __TGMATH_REAL(x, log2) macro
/netbsd-src/external/gpl3/gdb/lib/libgnulib/arch/sh3el/gnulib/import/
H A Dmath.h2203 # undef log2
2204 # define log2 rpl_log2
2206 _GL_FUNCDECL_RPL (log2, double, (double x));
2207 _GL_CXXALIAS_RPL (log2, double, (double x));
2210 # undef log2
2211 _GL_FUNCDECL_SYS (log2, double, (double x));
2213 _GL_CXXALIAS_SYS (log2, double, (double x));
2216 _GL_CXXALIASWARN1 (log2, double, (double x));
2219 # undef log2
2221 _GL_WARN_ON_USE (log2, "log2 is unportable - "
/netbsd-src/external/gpl3/gdb/lib/libgnulib/arch/aarch64/gnulib/import/
H A Dmath.h2203 # undef log2
2204 # define log2 rpl_log2
2206 _GL_FUNCDECL_RPL (log2, double, (double x));
2207 _GL_CXXALIAS_RPL (log2, double, (double x));
2210 # undef log2
2211 _GL_FUNCDECL_SYS (log2, double, (double x));
2213 _GL_CXXALIAS_SYS (log2, double, (double x));
2216 _GL_CXXALIASWARN1 (log2, double, (double x));
2219 # undef log2
2221 _GL_WARN_ON_USE (log2, "log2 is unportable - "
/netbsd-src/external/gpl3/gdb/lib/libgnulib/arch/m68000/gnulib/import/
H A Dmath.h2203 # undef log2
2204 # define log2 rpl_log2
2206 _GL_FUNCDECL_RPL (log2, double, (double x));
2207 _GL_CXXALIAS_RPL (log2, double, (double x));
2210 # undef log2
2211 _GL_FUNCDECL_SYS (log2, double, (double x));
2213 _GL_CXXALIAS_SYS (log2, double, (double x));
2216 _GL_CXXALIASWARN1 (log2, double, (double x));
2219 # undef log2
2221 _GL_WARN_ON_USE (log2, "log2 is unportable - "
/netbsd-src/external/gpl3/gdb/lib/libgnulib/arch/mipsn64el/gnulib/import/
H A Dmath.h2203 # undef log2
2204 # define log2 rpl_log2
2206 _GL_FUNCDECL_RPL (log2, double, (double x));
2207 _GL_CXXALIAS_RPL (log2, double, (double x));
2210 # undef log2
2211 _GL_FUNCDECL_SYS (log2, double, (double x));
2213 _GL_CXXALIAS_SYS (log2, double, (double x));
2216 _GL_CXXALIASWARN1 (log2, double, (double x));
2219 # undef log2
2221 _GL_WARN_ON_USE (log2, "log2 is unportable - "
/netbsd-src/external/gpl3/gdb/dist/gnulib/import/
H A Dmath.in.h1692 # undef log2
1693 # define log2 rpl_log2
1695 _GL_FUNCDECL_RPL (log2, double, (double x));
1696 _GL_CXXALIAS_RPL (log2, double, (double x));
1699 # undef log2
1700 _GL_FUNCDECL_SYS (log2, double, (double x));
1702 _GL_CXXALIAS_SYS (log2, double, (double x));
1705 _GL_CXXALIASWARN1 (log2, double, (double x));
1708 # undef log2
1710 _GL_WARN_ON_USE (log2, "log2 is unportable - "

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