diff options
Diffstat (limited to 'libc-top-half/musl/src/math/fmaxl.c')
| -rw-r--r-- | libc-top-half/musl/src/math/fmaxl.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/libc-top-half/musl/src/math/fmaxl.c b/libc-top-half/musl/src/math/fmaxl.c new file mode 100644 index 0000000..4b03158 --- /dev/null +++ b/libc-top-half/musl/src/math/fmaxl.c @@ -0,0 +1,21 @@ +#include <math.h> +#include <float.h> + +#if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024 +long double fmaxl(long double x, long double y) +{ + return fmax(x, y); +} +#else +long double fmaxl(long double x, long double y) +{ + if (isnan(x)) + return y; + if (isnan(y)) + return x; + /* handle signed zeros, see C99 Annex F.9.9.2 */ + if (signbit(x) != signbit(y)) + return signbit(x) ? y : x; + return x < y ? y : x; +} +#endif |