diff options
Diffstat (limited to 'libc-top-half/musl/src/math/logbl.c')
-rw-r--r-- | libc-top-half/musl/src/math/logbl.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/libc-top-half/musl/src/math/logbl.c b/libc-top-half/musl/src/math/logbl.c new file mode 100644 index 0000000..962973a --- /dev/null +++ b/libc-top-half/musl/src/math/logbl.c @@ -0,0 +1,16 @@ +#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 |