Changeset a96c570 in mainline for softfloat/generic/comparison.c

Timestamp:

2006-01-22T15:51:00Z (19 years ago)

Author:

Josef Cejka <malyzelenyhnus@…>

Branches:

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

Children:

bff16dd

Parents:

4a5abddd

Message:

Added function for 64bit subtraction.
Fixed bug in recognizing signaling and quiet NaNs.
Some 64-bit add and sub testing done.

File:

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

softfloat/generic/comparison.c

@@ -41 +41 @@
 
 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));
+{       /* SigNaN : exp = 0xff mantisa = 0xxxxx..x (binary), where at least one x is nonzero */
+        return ((f.parts.exp==0xFF)&&(f.parts.mantisa<0x400000)&&(f.parts.mantisa));
 };
 
 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));
+{       /* SigNaN : exp = 0x7ff mantisa = 0xxxxx..x (binary), where at least one x is nonzero */
+        return ((d.parts.exp==0x7FF)&&(d.parts.mantisa)&&(d.parts.mantisa<0x8000000000000ll));
 };