log10l
long double log10l(long double);
__weak_alias(log10l, _log10l)
__weak_alias(log10l, _log10l)
__weak_alias(log10l, _log10l)
CHECKL_NAN(i, log10l, logf_invalid[i]);
CHECKL_NAN(i, log10l, log_invalid[i]);
CHECKL_NAN(i, log10l, logl_invalid[i]);
CHECKL_EQ(0, log10l, +0., -HUGE_VALL);
CHECKL_EQ(1, log10l, -0., -HUGE_VALL);
ATF_CHECK_EQ(signbit(log10l(1)), 0);
CHECKL_EQ(i, log10l, x, y);
ATF_CHECK_MSG((fabsl((log10l(e) - log10e)/log10e) < 2*LDBL_EPSILON),
log10l(e), log10l(e), log10e, log10e);
ATF_CHECK_MSG((fabsl((log10l(e2) - log10e2)/log10e2) < 2*LDBL_EPSILON),
log10l(e2), log10l(e2), log10e2, log10e2);
CHECKL_EQ(0, log10l, INFINITY, INFINITY);