aboutsummaryrefslogtreecommitdiff
path: root/lib/mlibc/options/ansi/musl-generic-math/nextafterf.c
diff options
context:
space:
mode:
Diffstat (limited to 'lib/mlibc/options/ansi/musl-generic-math/nextafterf.c')
-rw-r--r--lib/mlibc/options/ansi/musl-generic-math/nextafterf.c30
1 files changed, 0 insertions, 30 deletions
diff --git a/lib/mlibc/options/ansi/musl-generic-math/nextafterf.c b/lib/mlibc/options/ansi/musl-generic-math/nextafterf.c
deleted file mode 100644
index 75a09f7..0000000
--- a/lib/mlibc/options/ansi/musl-generic-math/nextafterf.c
+++ /dev/null
@@ -1,30 +0,0 @@
-#include "libm.h"
-
-float nextafterf(float x, float y)
-{
- union {float f; uint32_t i;} ux={x}, uy={y};
- uint32_t ax, ay, e;
-
- if (isnan(x) || isnan(y))
- return x + y;
- if (ux.i == uy.i)
- return y;
- ax = ux.i & 0x7fffffff;
- ay = uy.i & 0x7fffffff;
- if (ax == 0) {
- if (ay == 0)
- return y;
- ux.i = (uy.i & 0x80000000) | 1;
- } else if (ax > ay || ((ux.i ^ uy.i) & 0x80000000))
- ux.i--;
- else
- ux.i++;
- e = ux.i & 0x7f800000;
- /* raise overflow if ux.f is infinite and x is finite */
- if (e == 0x7f800000)
- 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;
-}