Changeset 7e557805 in mainline for softfloat/generic/comparison.c

Timestamp:

2005-12-20T12:48:15Z (19 years ago)

Author:

Josef Cejka <malyzelenyhnus@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

e649dfa

Parents:

b5440cf

Message:

Some new functions implemented in softfloat lib.

File:

• softfloat/generic/comparison.c (modified) (1 diff)

softfloat/generic/comparison.c

@@ -40 +40 @@
 };
 
+inline int isFloat32Infinity(float32 f) 
+{
+        return ((f.parts.exp==0xFF)&&(f.parts.mantisa==0x0));
+};
+
+/**
+ * @return 1, if both floats are equal - but NaNs are not recognized 
+ */
+inline int isFloat32eq(float32 a, float32 b)
+{
+        return ((a==b)||(((a.binary| b.binary)&0x7FFFFFFF)==0)); /* a equals to b or both are zeros (with any sign) */
+}
+
+/**
+ * @return 1, if a>b - but NaNs are not recognized 
+ */
+inline int isFloat32lt(float32 a, float32 b) 
+{
+        if (((a.binary| b.binary)&0x7FFFFFFF)==0) {
+                return 0;
+        };
+        a.parts.sign^=a.parts.sign;
+        b.parts.sign^=b.parts.sign;
+        return (a.binary<b.binary);
+                        
+}
+
+