| /src/lib/libm/arch/mc68881/ |
| s_log1p.S | 39 ;.asciz "from: @(#)log1p.s 5.1 (Berkeley) 5/17/90"
43 WEAK_ALIAS(log1p, _log1p)
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| /src/lib/libm/noieee_src/ |
| n_atanh.c | 44 * log1p(x) ...return log(1+x)
49 * atanh(x) = --- * log(1 + -------) = 0.5 * log1p(2 * --------)
81 return( z*log1p(x+x) );
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| n_acosh.c | 47 * log1p(x) ...return log(1+x)
53 * acosh(x) := log1p(x)+ln2, if (x > 1.0E20); else
54 * acosh(x) := log1p( sqrt(x-1) * (sqrt(x-1) + sqrt(x+1)) ) .
97 /* return log1p(x) + log(2) if x is large */
98 if(x>big) {t=log1p(x)+ln2lo; return(t+ln2hi);}
101 return(log1p(t*(t+sqrt(x+1.0))));
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| n_asinh.c | 48 * log1p(x) ...return log(1+x)
55 * := sign(x)*(log1p(x)+ln2)) if sqrt(1+x*x)=x, else
56 * := sign(x)*log1p(|x| + |x|/(1/|x| + sqrt(1+(1/|x|)^2)) )
96 s=one/t; return(copysign(log1p(t+t/(s+sqrt(one+s*s))),x)); }
98 {s=log1p(t)+ln2lo; return(copysign(s+ln2hi,x));}
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| n_log1p.c | 36 static char sccsid[] = "@(#)log1p.c 8.1 (Berkeley) 6/4/93";
40 /* LOG1P(x)
83 * log1p(x) is NaN with signal if x < -1; log1p(NaN) is NaN with no signal;
84 * log1p(INF) is +INF; log1p(-1) is -INF with signal;
85 * only log1p(0)=0 is exact for finite argument.
88 * log1p(x) returns the exact log(1+x) nearly rounded. In a test run
122 __weak_alias(log1p, _log1p)
124 log1p(double x
[all...] |
| n_lgamma.c | 242 case 0: r -= log1p(x); /* FALLTHROUGH */
268 r -= rr.b; r -= log1p(x);
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| /src/lib/libm/src/ |
| e_atanh.c | 23 * atanh(x) = --- * log(1 + -------) = 0.5 * log1p(2 * --------)
27 * atanh(x) = 0.5*log1p(2x+2x*x/(1-x))
59 t = 0.5*log1p(t+t*x/(one-x));
61 t = 0.5*log1p((x+x)/(one-x));
|
| e_acosh.c | 25 * acosh(x) := log1p(t+sqrt(2.0*t+t*t)); where t=x-1.
60 return log1p(t+sqrt(2.0*t+t*t));
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| s_asinh.c | 26 * := sign(x)*log1p(|x| + x^2/(1 + sqrt(1+x^2)))
55 w =log1p(fabs(x)+t/(one+__ieee754_sqrt(one+t)));
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| s_log1p.c | 18 /* double log1p(double x)
32 * 2. Approximation of log1p(f).
50 * log1p(f) = f - (hfsq - s*(hfsq+R)).
52 * 3. Finally, log1p(x) = k*ln2 + log1p(f).
59 * log1p(x) is NaN with signal if x < -1 (including -INF) ;
60 * log1p(+INF) is +INF; log1p(-1) is -INF with signal;
61 * log1p(NaN) is that NaN with no signal.
74 * algorithm can be used to compute log1p(x) to within a few ULP
[all...] |
| namespace.h | 70 #define log1p _log1p macro
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| /src/lib/libm/arch/m68060/ |
| s_log1p.S | 4 * FPLSP wrapper for log1p
12 WEAK_ALIAS(log1p, _log1p)
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| /src/lib/libm/arch/i387/ |
| s_log1p.S | 18 * The log1p() function is provided to compute an accurate value of
26 * log1p() is implemented by testing the range of the argument.
28 * Else, we compute log1p(x) = ln(2)*ld(1 + x) the traditional way
42 WEAK_ALIAS(log1p, _log1p)
|
| /src/tests/lib/libm/ |
| t_log.c | 309 * log1p(3)
315 atf_tc_set_md_var(tc, "descr", "Test log1p/f/l on invalid inputs");
323 CHECK_NAN(i, log1p, log1pf_invalid[i]);
328 CHECK_NAN(i, log1p, log1p_invalid[i]);
340 atf_tc_set_md_var(tc, "descr", "Test log1p/f/l on -1");
346 CHECK_EQ(0, log1p, -1., -HUGE_VAL);
353 atf_tc_set_md_var(tc, "descr", "Test log1p/f/l exact cases");
359 CHECK_EQ(0, log1p, -DBL_MIN, -DBL_MIN);
363 CHECK_EQ(1, log1p, -0., 0);
367 CHECK_EQ(2, log1p, +0., 0)
[all...] |
| /src/external/apache2/llvm/dist/clang/lib/Headers/ |
| __clang_cuda_math_forward_declares.h | 126 __DEVICE__ double log1p(double);
127 __DEVICE__ float log1p(float);
246 using ::log1p;
|
| /src/external/apache2/llvm/dist/clang/lib/Headers/openmp_wrappers/ |
| cmath | 57 __DEVICE__ float log1p(float __x) { return ::log1pf(__x); }
|
| /src/external/gpl3/gcc/dist/gcc/ginclude/ |
| tgmath.h | 102 #define log1p(x) __TGMATH_REAL(x, log1p) macro
|
| /src/external/gpl3/gcc.old/dist/gcc/ginclude/ |
| tgmath.h | 102 #define log1p(x) __TGMATH_REAL(x, log1p) macro
|
| /src/lib/libm/complex/ |
| catrig.c | 131 * log(A + sqrt(A*A-1)) = log1p((A-1) + sqrt((A-1)*(A+1)))
198 * rx = log1p(Am1 + sqrt(Am1*(A+1)))
212 *rx = log1p(Am1 + sqrt(Am1 * (A + 1)));
223 *rx = log1p((y - 1) + sqrt((y - 1) * (y + 1)));
579 * = log1p(4*x / |z-1|^2) / 4
640 rx = log1p(4 * ax / sum_squares(ax - 1, ay)) / 4;
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| /src/tests/lib/lua/libm/ |
| h_lualibm.c | 69 TEST(log1p(M_PI));
|
| lualibm.lua | 75 test("log1p(M_PI)", lm.log1p(lm.M_PI))
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| /src/external/gpl3/gdb/lib/libgnulib/arch/aarch64/gnulib/import/ |
| math.h | 2130 # undef log1p
2131 # define log1p rpl_log1p
2133 _GL_FUNCDECL_RPL (log1p, double, (double x));
2134 _GL_CXXALIAS_RPL (log1p, double, (double x));
2137 _GL_FUNCDECL_SYS (log1p, double, (double x));
2139 _GL_CXXALIAS_SYS (log1p, double, (double x));
2142 _GL_CXXALIASWARN1 (log1p, double, (double x));
2145 # undef log1p macro
2147 _GL_WARN_ON_USE (log1p, "log1p has portability problems -
[all...] |
| /src/external/gpl3/gdb/lib/libgnulib/arch/aarch64eb/gnulib/import/ |
| math.h | 2130 # undef log1p
2131 # define log1p rpl_log1p
2133 _GL_FUNCDECL_RPL (log1p, double, (double x));
2134 _GL_CXXALIAS_RPL (log1p, double, (double x));
2137 _GL_FUNCDECL_SYS (log1p, double, (double x));
2139 _GL_CXXALIAS_SYS (log1p, double, (double x));
2142 _GL_CXXALIASWARN1 (log1p, double, (double x));
2145 # undef log1p macro
2147 _GL_WARN_ON_USE (log1p, "log1p has portability problems -
[all...] |
| /src/external/gpl3/gdb/lib/libgnulib/arch/alpha/gnulib/import/ |
| math.h | 2130 # undef log1p
2131 # define log1p rpl_log1p
2133 _GL_FUNCDECL_RPL (log1p, double, (double x));
2134 _GL_CXXALIAS_RPL (log1p, double, (double x));
2137 _GL_FUNCDECL_SYS (log1p, double, (double x));
2139 _GL_CXXALIAS_SYS (log1p, double, (double x));
2142 _GL_CXXALIASWARN1 (log1p, double, (double x));
2145 # undef log1p macro
2147 _GL_WARN_ON_USE (log1p, "log1p has portability problems -
[all...] |
| /src/external/gpl3/gdb/lib/libgnulib/arch/arm/gnulib/import/ |
| math.h | 2130 # undef log1p
2131 # define log1p rpl_log1p
2133 _GL_FUNCDECL_RPL (log1p, double, (double x));
2134 _GL_CXXALIAS_RPL (log1p, double, (double x));
2137 _GL_FUNCDECL_SYS (log1p, double, (double x));
2139 _GL_CXXALIAS_SYS (log1p, double, (double x));
2142 _GL_CXXALIASWARN1 (log1p, double, (double x));
2145 # undef log1p macro
2147 _GL_WARN_ON_USE (log1p, "log1p has portability problems -
[all...] |
