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-rw-r--r--newlib/libm/mathfp/sf_ispos.c40
1 files changed, 40 insertions, 0 deletions
diff --git a/newlib/libm/mathfp/sf_ispos.c b/newlib/libm/mathfp/sf_ispos.c
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index 00000000000..1b91f399f9e
--- /dev/null
+++ b/newlib/libm/mathfp/sf_ispos.c
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+
+/* @(#)z_isposf.c 1.0 98/08/13 */
+/******************************************************************
+ * Positive value test
+ *
+ * Input:
+ * x - 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"
+
+int isposf (float x)
+{
+ __int32_t wx;
+
+ GET_FLOAT_WORD (wx, x);
+
+ if (wx & 0x80000000)
+ return (0);
+ else
+ return (1);
+}
+
+#ifdef _DOUBLE_IS_32BITS
+
+int ispos (double x)
+{
+ return isposf ((float) x);
+}
+
+#endif /* defined(_DOUBLE_IS_32BITS) */