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-rw-r--r--src/iemlib1/iemlib.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/iemlib1/iemlib.h b/src/iemlib1/iemlib.h
index cc882b1..ac31936 100644
--- a/src/iemlib1/iemlib.h
+++ b/src/iemlib1/iemlib.h
@@ -95,4 +95,6 @@ union tabfudge
int32 tf_i[2];
};
+#define IEM_DENORMAL(f) !(*(unsigned int*)&(f))&0x60000000
+
#endif