Change negate so that -0 and -0.0 behave as CPython behaves (no USub …

…node, just negate zero).
xiaoyinl · Jan 15, 2009 · 5c64b5f · 5c64b5f
1 parent 2394b84
commit 5c64b5f
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/src/org/python/antlr/GrammarActions.java b/src/org/python/antlr/GrammarActions.java
@@ -483,7 +483,7 @@ expr negate(PythonTree t, expr o) {
             Num num = (Num)o;
             if (num.getInternalN() instanceof PyInteger) {
                 int v = ((PyInteger)num.getInternalN()).getValue();
-                if (v > 0) {
+                if (v >= 0) {
                     num.setN(new PyInteger(-v));
                     return num;
                 }
@@ -495,13 +495,13 @@ expr negate(PythonTree t, expr o) {
                 }
             } else if (num.getInternalN() instanceof PyFloat) {
                 double v = ((PyFloat)num.getInternalN()).getValue();
-                if (v > 0) {
+                if (v >= 0) {
                     num.setN(new PyFloat(-v));
                     return num;
                 }
             } else if (num.getInternalN() instanceof PyComplex) {
                 double v = ((PyComplex)num.getInternalN()).imag;
-                if (v > 0) {
+                if (v >= 0) {
                     num.setN(new PyComplex(0,-v));
                     return num;
                 }