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Can the comparison of multiple contiguous unsigned integers be optimized in a safe manner?

score 53 · Answer 1 · 2024-03-23T12:45:46.767000

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Can the comparison of multiple contiguous unsigned integers be optimized in a safe manner?

53 views Asked by MarkB At 23 March 2024 at 12:45

score 57 · Answer 2 · 2024-03-15T18:16:22.437000

Can I use placement new with class array?

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score 91 · Answer 3 · 2024-03-09T10:00:13.020000

Reinterpret cast for pointer of pointer

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score 90 · Answer 4 · 2024-03-04T08:47:04.767000

Is `reinterpret_cast` to go from derived -> memory -> base safe given the proper static assertions?

90 views Asked by eepp At 04 March 2024 at 08:47

score 101 · Answer 5 · 2024-02-11T23:13:47.593000

Converting from pointer to c-array reference?

101 views Asked by alfC At 11 February 2024 at 23:13

score 79 · Answer 6 · 2024-02-02T05:46:05.890000

Reinterpret cast on shared memory

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score 109 · Answer 7 · 2024-01-24T22:59:02.723000

MessageBox Description has only 1 letter

109 views Asked by descreetOP At 24 January 2024 at 22:59

score 507 · Answer 8 · 2024-01-23T03:16:32.660000

Is it UB to reinterpret_cast a T* to a uintptr_t, reinterpret_cast that uintptr_t to a void, then static_cast that void back to a T*?

507 views Asked by Christopher Miller At 23 January 2024 at 03:16

score 52 · Answer 9 · 2024-01-12T09:24:59.343000

Converting a templated data into another templated data

52 views Asked by LPo At 12 January 2024 at 09:24

score 109 · Answer 10 · 2024-01-08T14:46:58.283000

Understanding reinterpret_cast error with some templated method

109 views Asked by LPo At 08 January 2024 at 14:46

score 104 · Answer 11 · 2023-11-29T08:21:56.207000

Call function through pointer with no arguments

104 views Asked by G B At 29 November 2023 at 08:21

score 102 · Answer 12 · 2023-11-28T13:59:36.853000

When does std::as_writable_bytes trigger undefined behavior

102 views Asked by Erik Man At 28 November 2023 at 13:59

score 107 · Answer 13 · 2023-11-10T17:15:22.057000

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score 228 · Answer 14 · 2023-10-30T13:00:19.843000

Placement new + reinterpret_cast in C++14: well-formed?

228 views Asked by user1011113 At 30 October 2023 at 13:00

score 55 · Answer 15 · 2023-10-12T19:16:47.510000

Confused about the result using the reinterpret_cast in C++

55 views Asked by user22691690 At 12 October 2023 at 19:16

score 67 · Answer 16 · 2023-10-09T08:39:03.933000

Is memcpy-ing a struct into a buffer of uint8_ts and reinterpret-casting it back to struct undefined behaviour?

67 views Asked by sOmEonE At 09 October 2023 at 08:39

score 213 · Answer 17 · 2023-09-06T04:31:08.827000

Is `reinterpret_cast` for pointer and reference conversion completely superceded by features from new C++ standard?

213 views Asked by Weijun Zhou At 06 September 2023 at 04:31

score 124 · Answer 18 · 2023-09-01T12:23:46.980000

Assign a 3D vector to a 4d vector or how to cast a cv::Vec<double, 4> to cv::Vec<double, 3> using OpenCV

124 views Asked by Max At 01 September 2023 at 12:23

score 232 · Answer 19 · 2023-06-19T06:03:59.800000

Why does "reinterpret_cast" not work as expected on template arguments?

232 views Asked by Benjamin Graef At 19 June 2023 at 06:03

score 173 · Answer 20 · 2023-06-12T08:46:48.400000

Cast derived class list to base class list in C++

173 views Asked by VerySimple At 12 June 2023 at 08:46

TechQA.

List Question

Can the comparison of multiple contiguous unsigned integers be optimized in a safe manner?

Can I use placement new with class array?

Reinterpret cast for pointer of pointer

Is `reinterpret_cast` to go from derived -> memory -> base safe given the proper static assertions?

Converting from pointer to c-array reference?

Reinterpret cast on shared memory

MessageBox Description has only 1 letter

Is it UB to reinterpret_cast a T* to a uintptr_t, reinterpret_cast that uintptr_t to a void, then static_cast that void back to a T*?

Converting a templated data into another templated data

Understanding reinterpret_cast error with some templated method

Call function through pointer with no arguments

When does std::as_writable_bytes trigger undefined behavior

Using reinterpret_cast to parse templated network data

Placement new + reinterpret_cast in C++14: well-formed?

Confused about the result using the reinterpret_cast in C++

Is memcpy-ing a struct into a buffer of uint8_ts and reinterpret-casting it back to struct undefined behaviour?

Is `reinterpret_cast` for pointer and reference conversion completely superceded by features from new C++ standard?

Assign a 3D vector to a 4d vector or how to cast a cv::Vec<double, 4> to cv::Vec<double, 3> using OpenCV

Why does "reinterpret_cast" not work as expected on template arguments?

Cast derived class list to base class list in C++

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