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Preserve sign of -0.0 when result is run through marshal.

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Raymond Hettinger 2005-02-23 13:37:55 +00:00
parent 71dcc3e9b4
commit e63a078635
1 changed files with 4 additions and 2 deletions
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6
Python/compile.c
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@ -545,7 +545,7 @@ fold_binops_on_constants(unsigned char *codestr, PyObject *consts)
static int static int
fold_unaryops_on_constants(unsigned char *codestr, PyObject *consts) fold_unaryops_on_constants(unsigned char *codestr, PyObject *consts)
{ {
PyObject *newconst, *v; PyObject *newconst=NULL, *v;
int len_consts, opcode; int len_consts, opcode;
/* Pre-conditions */ /* Pre-conditions */
@ -557,7 +557,9 @@ fold_unaryops_on_constants(unsigned char *codestr, PyObject *consts)
opcode = codestr[3]; opcode = codestr[3];
switch (opcode) { switch (opcode) {
case UNARY_NEGATIVE: case UNARY_NEGATIVE:
newconst = PyNumber_Negative(v); /* Preserve the sign of -0.0 */
if (PyObject_IsTrue(v) == 1)
newconst = PyNumber_Negative(v);
break; break;
case UNARY_CONVERT: case UNARY_CONVERT:
newconst = PyObject_Repr(v); newconst = PyObject_Repr(v);