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//
// Copyright 2026 The InfiniFlow Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
package common
// CoalesceInt returns *val if val is non-nil and positive; otherwise returns
// defaultVal. It is useful for optional int parameters (e.g. pagination)
// where nil or a value <= 0 means "use the default".
func CoalesceInt(val *int, defaultVal int) int {
if val != nil && *val > 0 {
return *val
}
return defaultVal
}
// IsZeroVector reports whether every element of v is zero. An empty or nil
// slice is considered a zero vector.
func IsZeroVector(v []float64) bool {
for _, x := range v {
if x != 0 {
return false
}
}
return true
}