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-rw-r--r--sysdeps/sparc/fpu/bits/mathdef.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/sysdeps/sparc/fpu/bits/mathdef.h b/sysdeps/sparc/fpu/bits/mathdef.h
index 0bc9c94ecc..505d724fd0 100644
--- a/sysdeps/sparc/fpu/bits/mathdef.h
+++ b/sysdeps/sparc/fpu/bits/mathdef.h
@@ -62,3 +62,7 @@ typedef double double_t;
 #define INFINITY	HUGE_VAL
 
 #endif
+
+/* The values returned by `ilogb' for 0 and NaN respectively.  */
+#define FP_ILOGB0       0x80000001
+#define FP_ILOGBNAN     0x7fffffff