Changeset feef1cd in mainline for softfloat/generic/comparison.c

Timestamp:

2006-01-08T19:39:07Z (19 years ago)

Author:

Josef Cejka <malyzelenyhnus@…>

Branches:

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

Children:

56a39dde

Parents:

3af72dc

Message:

Added new function for testint 64 bit floats and functions for 32↔64 bit conversion.

File:

• softfloat/generic/comparison.c (modified) (3 diffs)

softfloat/generic/comparison.c

@@ -35 +35 @@
 };
 
+inline int isFloat64NaN(float64 d)
+{       /* NaN : exp = 0x7ff and nonzero mantisa */
+        return ((d.parts.exp==0x7FF)&&(d.parts.mantisa));
+};
+
 inline int isFloat32SigNaN(float32 f)
 {       /* SigNaN : exp = 0xff mantisa = 1xxxxx..x (binary), where at least one x is nonzero */
         return ((f.parts.exp==0xFF)&&(f.parts.mantisa>0x400000));
+};
+
+inline int isFloat64SigNaN(float64 d)
+{       /* SigNaN : exp = 0x7ff mantisa = 1xxxxx..x (binary), where at least one x is nonzero */
+        return ((d.parts.exp==0x7FF)&&(d.parts.mantisa>0x8000000000000ll));
 };
 
@@ -45 +55 @@
 };
 
+inline int isFloat64Infinity(float64 d) 
+{
+        return ((d.parts.exp==0x7FF)&&(d.parts.mantisa==0x0));
+};
+
 inline int isFloat32Zero(float32 f)
 {
         return (((f.binary) & 0x7FFFFFFF) == 0);
+}
+
+inline int isFloat64Zero(float64 d)
+{
+        return (((d.binary) & 0x7FFFFFFFFFFFFFFFll) == 0);
 }
 
@@ -101 +121 @@
 
 
+