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Document % changing from remainder to modulo in 0.5.0

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Rangi42
2025-07-04 01:04:08 -04:00
committed by Eldred Habert
parent 468f1cd912
commit d7b1569ee6
1 changed files with 30 additions and 0 deletions
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man/rgbasm-old.5
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@@ -356,6 +356,36 @@ because $16384$ turns = $16384 tau$ radians = $32768 pi$ radians, and $sin ( 327
.EQ .EQ
delim off delim off
.EN .EN
.Ss % operator behavior with negative dividend or divisor
Changed in 0.5.0.
.Pp
Instead of having the same sign as the dividend (a remainder operation),
.Ql %
has the same sign as the divisor (a modulo operation).
.Pp
For example, previously we had:
.Bl -bullet -offset indent
.It
.Ql 13 % 10 == 3
.It
.Ql -13 % 10 == -3
.It
.Ql 13 % -10 == 3
.It
.Ql -13 % -10 == -3
.El
.Pp
Instead, now we have:
.Bl -bullet -offset indent
.It
.Ql 13 % 10 == 3
.It
.Ql -13 % 10 == 7
.It
.Ql 13 % -10 == -7
.It
.Ql -13 % -10 == -3
.El
.Ss ** operator associativity .Ss ** operator associativity
Changed in 0.9.0. Changed in 0.9.0.
.Pp .Pp