Thanks to visit codestin.com
Credit goes to github.com

Skip to content

gh-100239: Handle NaN and zero division in guards #128963

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
Eclips4 merged 8 commits into from
Jan 19, 2025
Merged

gh-100239: Handle NaN and zero division in guards #128963

Changes from 1 commit
Commits
Show all changes
8 commits
Select commit Hold shift + click to select a range
8547393
Fix zero division
Eclips4 Jan 17, 2025
131b92a
Reorder calls
Eclips4 Jan 17, 2025
8363e9d
Address Irit's review && Add guards for NaN
Eclips4 Jan 17, 2025
850a862
Update Python/specialize.c
Eclips4 Jan 18, 2025
f98667c
Apply the same technique for compactlong_float
Eclips4 Jan 18, 2025
27cd99a
I guess it should work
Eclips4 Jan 18, 2025
aa416bb
Apply suggestions from code review
Eclips4 Jan 19, 2025
127cb30
Address Irit's review
Eclips4 Jan 19, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
Prev Previous commit
Next Next commit
Apply the same technique for compactlong_float
  • Loading branch information
@Eclips4
Eclips4 committed Jan 18, 2025
commit f98667c8a540a181e364f44beebf6683f7eb7fc3
14 changes: 5 additions & 9 deletions Python/specialize.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -2418,7 +2418,7 @@ binary_op_fail_kind(int oparg, PyObject *lhs, PyObject *rhs)

// Guards should check that the float part is not NaN.
// Guards for / (aka true_div) should check for 0 or 0.0 as the rhs.
static int
static inline int
float_compactlong_guard(PyObject *lhs, PyObject *rhs)
{
return (
Expand All @@ -2429,7 +2429,7 @@ float_compactlong_guard(PyObject *lhs, PyObject *rhs)
);
}

static int
static inline int
float_compactlong_guard_true_div(PyObject *lhs, PyObject *rhs)
Comment thread
Eclips4 marked this conversation as resolved.
Outdated
{
return (
Expand All @@ -2453,7 +2453,7 @@ FLOAT_LONG_ACTION(float_compactlong_true_div, /)

/* long-float */

static int
static inline int
compactlong_float_guard(PyObject *lhs, PyObject *rhs)
{
return (
Expand All @@ -2464,15 +2464,11 @@ compactlong_float_guard(PyObject *lhs, PyObject *rhs)
);
}

static int
static inline int
compactlong_float_guard_true_div(PyObject *lhs, PyObject *rhs)
{
return (
PyFloat_CheckExact(rhs) &&
PyLong_CheckExact(lhs) &&
_PyLong_IsCompact((PyLongObject *)lhs) &&
PyFloat_AsDouble(rhs) != 0.0 &&
!isnan(PyFloat_AsDouble(rhs))
compactlong_float_guard(lhs, rhs) && PyFloat_AsDouble(rhs) != 0.0
);
}

Expand Down