Changeset b60faf7 in mainline

Timestamp:

2012-10-07T08:38:15Z (12 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

e9d0ed4

Parents:

d948095

Message:

Use sub_float() for addends with different sign bit in softfloat1 test.

add_float() and sub_float() can only work with operands with the same
sign. Flip the sign bits and convert addition to subtraction as
necessary.

File:

• uspace/app/tester/float/softfloat1.c (modified) (2 diffs)

uspace/app/tester/float/softfloat1.c

@@ -31 +31 @@
 #include <sftypes.h>
 #include <add.h>
+#include <sub.h>
 #include <bool.h>
 #include "../tester.h"
@@ -71 +72 @@
                         sa.val = float_op_a[i];
                         sb.val = float_op_b[j];
-                        sc.data = add_float(sa.data, sb.data);
-                        
+                        if (sa.data.parts.sign == sb.data.parts.sign)
+                                sc.data = add_float(sa.data, sb.data);
+                        else if (sa.data.parts.sign) {
+                                sa.data.parts.sign = 0;
+                                sc.data = sub_float(sb.data, sa.data);
+                        } else {
+                                sb.data.parts.sign = 0;
+                                sc.data = sub_float(sa.data, sb.data);
+                        }
+                                
                         cmptype_t ic = (cmptype_t) (c * PRECISION);
                         cmptype_t isc = (cmptype_t) (sc.val * PRECISION);