diff options
Diffstat (limited to 'lib/mlibc/options/ansi/musl-generic-math/logb.c')
-rw-r--r-- | lib/mlibc/options/ansi/musl-generic-math/logb.c | 17 |
1 files changed, 0 insertions, 17 deletions
diff --git a/lib/mlibc/options/ansi/musl-generic-math/logb.c b/lib/mlibc/options/ansi/musl-generic-math/logb.c deleted file mode 100644 index 7f8bdfa..0000000 --- a/lib/mlibc/options/ansi/musl-generic-math/logb.c +++ /dev/null @@ -1,17 +0,0 @@ -#include <math.h> - -/* -special cases: - logb(+-0) = -inf, and raise divbyzero - logb(+-inf) = +inf - logb(nan) = nan -*/ - -double logb(double x) -{ - if (!isfinite(x)) - return x * x; - if (x == 0) - return -1/(x*x); - return ilogb(x); -} |