diff options
Diffstat (limited to 'lib/mlibc/options/ansi/musl-generic-math/nextafter.c')
-rw-r--r-- | lib/mlibc/options/ansi/musl-generic-math/nextafter.c | 31 |
1 files changed, 0 insertions, 31 deletions
diff --git a/lib/mlibc/options/ansi/musl-generic-math/nextafter.c b/lib/mlibc/options/ansi/musl-generic-math/nextafter.c deleted file mode 100644 index ab5795a..0000000 --- a/lib/mlibc/options/ansi/musl-generic-math/nextafter.c +++ /dev/null @@ -1,31 +0,0 @@ -#include "libm.h" - -double nextafter(double x, double y) -{ - union {double f; uint64_t i;} ux={x}, uy={y}; - uint64_t ax, ay; - int e; - - if (isnan(x) || isnan(y)) - return x + y; - if (ux.i == uy.i) - return y; - ax = ux.i & -1ULL/2; - ay = uy.i & -1ULL/2; - if (ax == 0) { - if (ay == 0) - return y; - ux.i = (uy.i & 1ULL<<63) | 1; - } else if (ax > ay || ((ux.i ^ uy.i) & 1ULL<<63)) - ux.i--; - else - ux.i++; - e = ux.i >> 52 & 0x7ff; - /* raise overflow if ux.f is infinite and x is finite */ - if (e == 0x7ff) - FORCE_EVAL(x+x); - /* raise underflow if ux.f is subnormal or zero */ - if (e == 0) - FORCE_EVAL(x*x + ux.f*ux.f); - return ux.f; -} |