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authorIan Moffett <ian@osmora.org>2024-03-07 17:28:52 -0500
committerIan Moffett <ian@osmora.org>2024-03-07 18:24:51 -0500
commitf5e48e94a2f4d4bbd6e5628c7f2afafc6dbcc459 (patch)
tree93b156621dc0303816b37f60ba88051b702d92f6 /lib/mlibc/options/ansi/musl-generic-math/ceil.c
parentbd5969fc876a10b18613302db7087ef3c40f18e1 (diff)
build: Build mlibc + add distclean target
Signed-off-by: Ian Moffett <ian@osmora.org>
Diffstat (limited to 'lib/mlibc/options/ansi/musl-generic-math/ceil.c')
-rw-r--r--lib/mlibc/options/ansi/musl-generic-math/ceil.c31
1 files changed, 0 insertions, 31 deletions
diff --git a/lib/mlibc/options/ansi/musl-generic-math/ceil.c b/lib/mlibc/options/ansi/musl-generic-math/ceil.c
deleted file mode 100644
index b13e6f2..0000000
--- a/lib/mlibc/options/ansi/musl-generic-math/ceil.c
+++ /dev/null
@@ -1,31 +0,0 @@
-#include "libm.h"
-
-#if FLT_EVAL_METHOD==0 || FLT_EVAL_METHOD==1
-#define EPS DBL_EPSILON
-#elif FLT_EVAL_METHOD==2
-#define EPS LDBL_EPSILON
-#endif
-static const double_t toint = 1/EPS;
-
-double ceil(double x)
-{
- union {double f; uint64_t i;} u = {x};
- int e = u.i >> 52 & 0x7ff;
- double_t y;
-
- if (e >= 0x3ff+52 || x == 0)
- return x;
- /* y = int(x) - x, where int(x) is an integer neighbor of x */
- if (u.i >> 63)
- y = x - toint + toint - x;
- else
- y = x + toint - toint - x;
- /* special case because of non-nearest rounding modes */
- if (e <= 0x3ff-1) {
- FORCE_EVAL(y);
- return u.i >> 63 ? -0.0 : 1;
- }
- if (y < 0)
- return x + y + 1;
- return x + y;
-}