include/math.h

298

double log1p(double);

include/tgmath.h

171

#define log1p(a) __TG_FN1(log1p, (a))

lib/libm/complex/catrig.c

212

*rx = log1p(Am1 + sqrt(Am1 * (A + 1)));

lib/libm/complex/catrig.c

223

*rx = log1p((y - 1) + sqrt((y - 1) * (y + 1)));

lib/libm/complex/catrig.c

640

rx = log1p(4 * ax / sum_squares(ax - 1, ay)) / 4;

lib/libm/noieee_src/n_acosh.c

101

return(log1p(t*(t+sqrt(x+1.0))));

lib/libm/noieee_src/n_acosh.c

98

if(x>big) {t=log1p(x)+ln2lo; return(t+ln2hi);}

lib/libm/noieee_src/n_asinh.c

96

s=one/t; return(copysign(log1p(t+t/(s+sqrt(one+s*s))),x)); }

lib/libm/noieee_src/n_asinh.c

98

{s=log1p(t)+ln2lo; return(copysign(s+ln2hi,x));}

lib/libm/noieee_src/n_atanh.c

81

return( z*log1p(x+x) );

lib/libm/noieee_src/n_lgamma.c

242

case 0: r -= log1p(x); /* FALLTHROUGH */

lib/libm/noieee_src/n_lgamma.c

268

r -= rr.b; r -= log1p(x);

lib/libm/noieee_src/n_log1p.c

122

__weak_alias(log1p, _log1p)

lib/libm/noieee_src/n_log1p.c

124

log1p(double x)

lib/libm/noieee_src/n_log1p.c

185

return log1p(x);

lib/libm/src/e_acosh.c

60

return log1p(t+sqrt(2.0*t+t*t));

lib/libm/src/e_atanh.c

59

t = 0.5*log1p(t+t*x/(one-x));

lib/libm/src/e_atanh.c

61

t = 0.5*log1p((x+x)/(one-x));

lib/libm/src/s_asinh.c

55

w =log1p(fabs(x)+t/(one+__ieee754_sqrt(one+t)));

lib/libm/src/s_log1p.c

107

__weak_alias(log1p, _log1p)

lib/libm/src/s_log1p.c

109

log1p(double x)

lib/lua/libm/libm.c

142

DFUNC_DBL(log1p)

tests/lib/libm/t_log.c

323

CHECK_NAN(i, log1p, log1pf_invalid[i]);

tests/lib/libm/t_log.c

328

CHECK_NAN(i, log1p, log1p_invalid[i]);

tests/lib/libm/t_log.c

346

CHECK_EQ(0, log1p, -1., -HUGE_VAL);

tests/lib/libm/t_log.c

359

CHECK_EQ(0, log1p, -DBL_MIN, -DBL_MIN);

tests/lib/libm/t_log.c

363

CHECK_EQ(1, log1p, -0., 0);

tests/lib/libm/t_log.c

367

CHECK_EQ(2, log1p, +0., 0);

tests/lib/libm/t_log.c

378

CHECK_EQ(3, log1p, 1, log(2));

tests/lib/libm/t_log.c

402

CHECK_EQ(0, log1p, -DBL_DENORM_MIN, -DBL_DENORM_MIN);

tests/lib/libm/t_log.c

410

ATF_CHECK_MSG(fabs((log1p(em1) - 1)/1) < 2*DBL_EPSILON,

tests/lib/libm/t_log.c

411

"log1p(e)=%a=%.17g", log1p(em1), log1p(em1));

tests/lib/libm/t_log.c

417

ATF_CHECK_MSG(fabs((log1p(e2m1) - 2)/2) < 2*DBL_EPSILON,

tests/lib/libm/t_log.c

418

"log1p(e^2)=%a=%.17g", log1p(em1), log1p(em1));

tests/lib/libm/t_log.c

435

CHECK_EQ(0, log1p, INFINITY, INFINITY);

tests/lib/lua/libm/h_lualibm.c

69

TEST(log1p(M_PI));