From bd5969fc876a10b18613302db7087ef3c40f18e1 Mon Sep 17 00:00:00 2001 From: Ian Moffett Date: Thu, 7 Mar 2024 17:28:00 -0500 Subject: lib: Add mlibc Signed-off-by: Ian Moffett --- lib/mlibc/options/ansi/musl-generic-math/fmaxl.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) create mode 100644 lib/mlibc/options/ansi/musl-generic-math/fmaxl.c (limited to 'lib/mlibc/options/ansi/musl-generic-math/fmaxl.c') diff --git a/lib/mlibc/options/ansi/musl-generic-math/fmaxl.c b/lib/mlibc/options/ansi/musl-generic-math/fmaxl.c new file mode 100644 index 0000000..4b03158 --- /dev/null +++ b/lib/mlibc/options/ansi/musl-generic-math/fmaxl.c @@ -0,0 +1,21 @@ +#include +#include + +#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 -- cgit v1.2.3