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Use nullptr.
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625 changed files with 4639 additions and 4639 deletions
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@ -40,7 +40,7 @@ namespace nlsat {
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/**
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\brief Return the empty set.
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*/
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interval_set * mk_empty() { return 0; }
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interval_set * mk_empty() { return nullptr; }
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/**
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\brief Return a set of composed of a single interval.
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@ -64,7 +64,7 @@ namespace nlsat {
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\brief Return true if s is the empty set.
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*/
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bool is_empty(interval_set const * s) {
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return s == 0;
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return s == nullptr;
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}
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/**
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