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gerrit-public.fairphone.software
/
platform
/
external
/
musl
/
6651ef1f060738ee1f50cac1fe6d8ce64c359022
/
.
/
src
/
math
/
logbl.c
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#include
<math.h>
#if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024
long
double
logbl
(
long
double
x
)
{
return
logb
(
x
);
}
#else
long
double
logbl
(
long
double
x
)
{
if
(!
isfinite
(
x
))
return
x
*
x
;
if
(
x
==
0
)
return
-
1
/(
x
*
x
);
return
ilogbl
(
x
);
}
#endif