1. The offset value can be negative, in that case we should return an empty array.
2. Fix edge cases of inf*0 and -inf + inf, so they will result in 0 and non NaN (similarily to Valkey).
Signed-off-by: Roman Gershman <roman@dragonflydb.io>
* chore: improve compatibility of set and ping commands
smismember should return an array of longs and not array of strings.
ping in subscribe mode returns an array for resp2.
Also, fix double rounding for legacy float mode.
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Signed-off-by: Roman Gershman <roman@dragonflydb.io>
