Searched refs:log1p (Results 1 - 25 of 43) sorted by relevance

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/netbsd-6-1-5-RELEASE/external/gpl3/gcc/dist/gcc/testsuite/gcc.target/i386/
H A Dpr19236-1.c6 extern double log1p (double);
13 return log1p(1.0);
/netbsd-6-1-5-RELEASE/gnu/dist/gcc4/gcc/testsuite/gcc.target/i386/
H A Dpr19236-1.c6 extern double log1p (double);
13 return log1p(1.0);
/netbsd-6-1-5-RELEASE/external/gpl3/gcc/dist/gcc/testsuite/gcc.dg/
H A Dbuiltins-33.c13 extern double log1p(double);
34 return log1p(x);
H A Dc99-tgmath-1.c167 #ifndef log1p
168 #error log1p undefined
/netbsd-6-1-5-RELEASE/gnu/dist/gcc4/gcc/testsuite/gcc.dg/
H A Dbuiltins-33.c13 extern double log1p(double);
34 return log1p(x);
/netbsd-6-1-5-RELEASE/lib/libm/arch/mc68881/
H A Ds_log1p.S39 ;.asciz "from: @(#)log1p.s 5.1 (Berkeley) 5/17/90"
43 ENTRY(log1p)
/netbsd-6-1-5-RELEASE/lib/libm/noieee_src/
H A Dn_atanh.c44 * log1p(x) ...return log(1+x)
49 * atanh(x) = --- * log(1 + -------) = 0.5 * log1p(2 * --------)
81 return( z*log1p(x+x) );
H A Dn_acosh.c47 * 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))));
H A Dn_asinh.c48 * 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));}
H A Dn_log1p.c33 static char sccsid[] = "@(#)log1p.c 8.1 (Berkeley) 6/4/93";
80 * log1p(x) is NaN with signal if x < -1; log1p(NaN) is NaN with no signal;
81 * log1p(INF) is +INF; log1p(-1) is -INF with signal;
82 * only log1p(0)=0 is exact for finite argument.
85 * log1p(x) returns the exact log(1+x) nearly rounded. In a test run
115 log1p(double x) function
H A Dn_lgamma.c232 case 0: r -= log1p(x);
258 r -= rr.b; r -= log1p(x);
/netbsd-6-1-5-RELEASE/lib/libm/arch/m68060/
H A Ds_log1p.S4 * FPLSP wrapper for log1p
10 ENTRY(log1p)
H A Dmakeas.sh173 mk log1p 0140 s_log1p
/netbsd-6-1-5-RELEASE/lib/libm/src/
H A De_atanh.c23 * 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));
H A De_acosh.c25 * acosh(x) := log1p(t+sqrt(2.0*t+t*t)); where t=x-1.
60 return log1p(t+sqrt(2.0*t+t*t));
H A Ds_asinh.c26 * := sign(x)*log1p(|x| + x^2/(1 + sqrt(1+x^2)))
55 w =log1p(fabs(x)+t/(one+__ieee754_sqrt(one+t)));
H A Ds_log1p.c18 /* 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(
101 log1p(double x) function
[all...]
/netbsd-6-1-5-RELEASE/lib/libm/arch/i387/
H A Ds_log1p.S18 * 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
45 ENTRY(log1p)
/netbsd-6-1-5-RELEASE/external/gpl3/gcc/dist/gcc/testsuite/g++.dg/
H A Dcdce3.C87 DEF_MATH_FUNC (m,log1p)
108 DEF_MATH_FUNC (o,log1p)
145 INIT_MATH_FUNC (m,log1p, true, false)
167 INIT_MATH_FUNC (o,log1p, true, false)
/netbsd-6-1-5-RELEASE/tests/lib/libm/
H A Dt_log.c257 * log1p(3)
262 atf_tc_set_md_var(tc, "descr", "Test log1p(NaN) == NaN");
271 ATF_CHECK(isnan(log1p(x)) != 0);
278 atf_tc_set_md_var(tc, "descr", "Test log1p(-Inf) == NaN");
285 const double y = log1p(x);
289 atf_tc_fail("log1p(-Inf) != NaN");
297 atf_tc_set_md_var(tc, "descr", "Test log1p(+Inf) == +Inf");
305 ATF_CHECK(log1p(x) == x);
312 atf_tc_set_md_var(tc, "descr", "Test log1p(-1.0) == -HUGE_VAL");
318 const double x = log1p(
[all...]
/netbsd-6-1-5-RELEASE/external/gpl3/gcc/dist/gcc/testsuite/gcc.dg/torture/
H A Dbuiltin-math-3.c232 TESTIT (log1p, 0.0, 0.0); /* log1p(0) == 0 */
233 TESTIT (log1p, -0.0, -0.0); /* log1p(-0) == -0 */
234 TESTIT_R (log1p, M_E-1, 0.99, 1.01); /* log1p(e-1) == 1.000... */
235 TESTIT_R (log1p, M_E*M_E-1, 1.99, 2.01); /* log1p(e*e-1) == 2.000... */
H A Dbuiltin-math-2.c127 /* The log1p arg must be [-1 ... Inf] EXclusive. */
128 TESTIT (log1p, -2.0);
129 TESTIT (log1p, -1.0);
344 /* { dg-final { scan-tree-dump-times "log1p " 2 "original" } } */
/netbsd-6-1-5-RELEASE/external/gpl3/gcc/dist/libstdc++-v3/testsuite/tr1/8_c_compatibility/cmath/
H A Doverloads.cc157 check_ret_type<double>(std::tr1::log1p(d0));
158 check_ret_type<float>(std::tr1::log1p(f0));
159 check_ret_type<long double>(std::tr1::log1p(ld0));
160 check_ret_type<double>(std::tr1::log1p(i0));
/netbsd-6-1-5-RELEASE/gnu/dist/gcc4/gcc/testsuite/gcc.dg/torture/
H A Dbuiltin-convert-1.c110 OUTER_CAST1 (log1p, /*C99=*/ 1);
/netbsd-6-1-5-RELEASE/external/gpl3/gcc/dist/gcc/ginclude/
H A Dtgmath.h146 #define log1p(x) __TGMATH_REAL(x, log1p) macro

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