summaryrefslogtreecommitdiffstats
path: root/newlib/libc/machine/i386/f_math.h
diff options
context:
space:
mode:
authorChristopher Faylor <me@cgf.cx>2000-02-17 19:39:52 +0000
committerChristopher Faylor <me@cgf.cx>2000-02-17 19:39:52 +0000
commit8a0efa53e44919bcf5ccb1d3353618a82afdf8bc (patch)
tree68c3dbf3f2c6fd5d49777def9914d77b5cd4589d /newlib/libc/machine/i386/f_math.h
parent1fd5e000ace55b323124c7e556a7a864b972a5c4 (diff)
downloadcygnal-8a0efa53e44919bcf5ccb1d3353618a82afdf8bc.tar.gz
cygnal-8a0efa53e44919bcf5ccb1d3353618a82afdf8bc.tar.bz2
cygnal-8a0efa53e44919bcf5ccb1d3353618a82afdf8bc.zip
import newlib-2000-02-17 snapshot
Diffstat (limited to 'newlib/libc/machine/i386/f_math.h')
-rw-r--r--newlib/libc/machine/i386/f_math.h29
1 files changed, 29 insertions, 0 deletions
diff --git a/newlib/libc/machine/i386/f_math.h b/newlib/libc/machine/i386/f_math.h
new file mode 100644
index 000000000..bd44b1e92
--- /dev/null
+++ b/newlib/libc/machine/i386/f_math.h
@@ -0,0 +1,29 @@
+#ifndef __F_MATH_H__
+#define __F_MATH_H__
+
+#include <_ansi.h>
+#include "fdlibm.h"
+
+__inline__
+static
+int
+_DEFUN (check_finite, (x),
+ double x)
+{
+ __int32_t hx;
+ GET_HIGH_WORD(hx,x);
+ return (int)((__uint32_t)((hx&0x7fffffff)-0x7ff00000)>>31);
+}
+
+__inline__
+static
+int
+_DEFUN (check_finitef, (x),
+ float x)
+{
+ __int32_t ix;
+ GET_FLOAT_WORD(ix,x);
+ return (int)((__uint32_t)((ix&0x7fffffff)-0x7f800000)>>31);
+}
+
+#endif /* __F_MATH_H__ */