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all: replace internal rand shim with math/rand/v2

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This commit is contained in:
Dan Kortschak
2025-01-02 12:07:22 +10:30
parent cf3307fa63
commit bc349ecfab
345 changed files with 1165 additions and 1214 deletions
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27
internal/testrand/rand.go
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@@ -7,8 +7,7 @@ package testrand
import (
"flag"
"gonum.org/v1/gonum/internal/rand"
"math/rand/v2"
)
var (
@@ -25,25 +24,23 @@ type TB interface {
// Source corresponds to the interface in golang.org/x/exp/rand.Source.
type Source = rand.Source
// Rand corresponds to golang.org/x/exp/rand.Rand.
// Rand corresponds to math/rand/v2.Rand.
type Rand interface {
ExpFloat64() float64
Float32() float32
Float64() float64
Int() int
Int31() int32
Int31n(n int32) int32
Int63() int64
Int63n(n int64) int64
Intn(n int) int
Int32() int32
Int32N(n int32) int32
Int64() int64
Int64N(n int64) int64
IntN(n int) int
NormFloat64() float64
Perm(n int) []int
Read(p []byte) (n int, err error)
Seed(seed uint64)
Shuffle(n int, swap func(i, j int))
Uint32() uint32
Uint64() uint64
Uint64n(n uint64) uint64
Uint64N(n uint64) uint64
}
// New returns a new random number generator using the global flags.
@@ -55,13 +52,13 @@ func New(tb TB) Rand {
// Don't log the default case.
if seed == 1 && *extremeFlag == 0 && *nanFlag == 0 {
base := rand.New(rand.NewSource(seed))
base := rand.New(rand.NewPCG(seed, seed))
return base
}
tb.Logf("seed=%d, prob=%.2f, nan=%.2f", seed, *extremeFlag, *nanFlag)
base := rand.New(rand.NewSource(seed))
base := rand.New(rand.NewPCG(seed, seed))
if *extremeFlag <= 0 && *nanFlag <= 0 {
return base
}
@@ -78,9 +75,9 @@ func NewSource(tb TB) Source {
// Don't log the default case.
if seed == 1 {
return rand.NewSource(seed)
return rand.NewPCG(seed, seed)
}
tb.Logf("seed %d", seed)
return rand.NewSource(seed)
return rand.NewPCG(seed, seed)
}