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| -rw-r--r-- | man/zdivmod.3 | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/man/zdivmod.3 b/man/zdivmod.3 index f0cd9e4..7e486d4 100644 --- a/man/zdivmod.3 +++ b/man/zdivmod.3 @@ -30,6 +30,34 @@ gets Mod .IR divisor . .P +Be aware, +.I remainder +gets +.RI | dividend | +Mod +.RI | divisor |, +this means that it is only guaranteed to be true that +.I dividend += +.I quotient +⋅ +.I divisor ++ +.IR remainder +if +.I dividend +and +.I divisor +have the same sign. +It is up to the user, to make the necessary adjustment to +.I remainder +to make this true or to satisfy any desired property. This +exceptional behaviour has been choosen because it is the +simplies, works just fine if you are working with natural +numbers only, and there are two many ways to define +modulus; this one is advantages when you want to make +adjustments, it is straight-forward. +.P It is safe to call .B zdivmod with non-unique parameters, |