P3724 R4 Integer division

[wg21bot]

P3724R0 Integer division (Jan Schultke)

[wg21bot]

P3724R1 Integer division (Jan Schultke)

[mattkretz]

P3724R1: Integer division

2025-11-05 SG6 Minutes

Chair: Matthias Kretz | Lisa Lippincott

Champion: Jan Schultke

Summary

• Motivation for each rounding mode would be helpful.

Polls

POLL: SG6 endorses the design decision of using different function names
for the different rounding modes, rather than a function or template argument
to determine rounding mode.

SF	F	N	A	SA
2	3	2	2	0

• Author Position: F
• Outcome: Endorsement
• Comments:
  • N: After hearing it out, I really don't care too much.
  • N: No need to step in. Either way is fine.
  • A: Clear ways of describing the rounding parameter are available.

POLL: Remove div_to_even and div_to_odd from the proposed functions.

SF	F	N	A	SA
4	2	3	0	0

• Author Position: N
• Outcome: Consensus

POLL: Keep only the 60559 equivalents and div_away_zero.

SF	F	N	A	SA
1	2	4	1	1

• Author Position: SA
• Outcome: No consensus for change

POLL: Forward P3724R1 to LEWG assuming the SG6 feedback gets incorporated.

SF	F	N	A	SA
3	6	0	0	0

• Author Position: SF
• Outcome: Strong consensus

[wg21bot]

P3724R2 Integer division (Jan Schultke)