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authorChristopher Faylor <me+cygwin@cgf.cx>2000-02-17 19:39:46 +0000
committerChristopher Faylor <me+cygwin@cgf.cx>2000-02-17 19:39:46 +0000
commit43b55bace5fad27af5da7a99784667363b92c45d (patch)
tree17fe82f6ba0d93b76d10dd73d4945ab81b69db40 /newlib/libm/mathfp/s_ispos.c
parent8dabd7496a9eeaca2a7180c0a176059ba9229bb2 (diff)
downloadgdb-43b55bace5fad27af5da7a99784667363b92c45d.tar.gz
import newlib-2000-02-17 snapshotnewlib-2000-02-17SNAPSHOT
Diffstat (limited to 'newlib/libm/mathfp/s_ispos.c')
-rw-r--r--newlib/libm/mathfp/s_ispos.c35
1 files changed, 35 insertions, 0 deletions
diff --git a/newlib/libm/mathfp/s_ispos.c b/newlib/libm/mathfp/s_ispos.c
new file mode 100644
index 00000000000..2077999c3ea
--- /dev/null
+++ b/newlib/libm/mathfp/s_ispos.c
@@ -0,0 +1,35 @@
+
+/* @(#)z_ispos.c 1.0 98/08/13 */
+/******************************************************************
+ * Numtest
+ *
+ * Input:
+ * x - pointer to a floating point value
+ *
+ * Output:
+ * An integer that indicates if the number is positive.
+ *
+ * Description:
+ * This routine returns an integer that indicates if the number
+ * passed in is positive (1) or negative (0).
+ *
+ *****************************************************************/
+
+#include "fdlibm.h"
+#include "zmath.h"
+
+#ifndef _DOUBLE_IS_32BITS
+
+int ispos (double x)
+{
+ __uint32_t hx;
+
+ GET_HIGH_WORD (hx, x);
+
+ if (hx & 0x80000000)
+ return (0);
+ else
+ return (1);
+}
+
+#endif /* _DOUBLE_IS_32BITS */