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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/roundf.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/roundf.c')
-rw-r--r--lib/mlibc/options/ansi/musl-generic-math/roundf.c36
1 files changed, 0 insertions, 36 deletions
diff --git a/lib/mlibc/options/ansi/musl-generic-math/roundf.c b/lib/mlibc/options/ansi/musl-generic-math/roundf.c
deleted file mode 100644
index e8210af..0000000
--- a/lib/mlibc/options/ansi/musl-generic-math/roundf.c
+++ /dev/null
@@ -1,36 +0,0 @@
-#include "libm.h"
-
-#if FLT_EVAL_METHOD==0
-#define EPS FLT_EPSILON
-#elif FLT_EVAL_METHOD==1
-#define EPS DBL_EPSILON
-#elif FLT_EVAL_METHOD==2
-#define EPS LDBL_EPSILON
-#endif
-static const float_t toint = 1/EPS;
-
-float roundf(float x)
-{
- union {float f; uint32_t i;} u = {x};
- int e = u.i >> 23 & 0xff;
- float_t y;
-
- if (e >= 0x7f+23)
- return x;
- if (u.i >> 31)
- x = -x;
- if (e < 0x7f-1) {
- FORCE_EVAL(x + toint);
- return 0*u.f;
- }
- y = x + toint - toint - x;
- if (y > 0.5f)
- y = y + x - 1;
- else if (y <= -0.5f)
- y = y + x + 1;
- else
- y = y + x;
- if (u.i >> 31)
- y = -y;
- return y;
-}