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lib/decimal: use consistent randomizer in tests

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Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/3683
This commit is contained in:
Aliaksandr Valialkin 2023-01-23 19:23:37 -08:00
parent 0a4d8dc777
commit a11dc6689a
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2 changed files with 6 additions and 3 deletions
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3
lib/decimal/decimal_test.go
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@ -506,8 +506,9 @@ func TestFloatToDecimalRoundtrip(t *testing.T) {
f(vMin) f(vMin)
f(vStaleNaN) f(vStaleNaN)
r := rand.New(rand.NewSource(1))
for i := 0; i < 1e4; i++ { for i := 0; i < 1e4; i++ {
v := rand.NormFloat64() v := r.NormFloat64()
f(v) f(v)
f(v * 1e-6) f(v * 1e-6)
f(v * 1e6) f(v * 1e6)

6
lib/decimal/decimal_timing_test.go
View File

@ -84,17 +84,19 @@ func benchmarkAppendFloatToDecimal(b *testing.B, fa []float64) {
} }
var testFAReal = func() []float64 { var testFAReal = func() []float64 {
r := rand.New(rand.NewSource(1))
fa := make([]float64, 8*1024) fa := make([]float64, 8*1024)
for i := 0; i < len(fa); i++ { for i := 0; i < len(fa); i++ {
fa[i] = rand.NormFloat64() * 1e-6 fa[i] = r.NormFloat64() * 1e-6
} }
return fa return fa
}() }()
var testFAInteger = func() []float64 { var testFAInteger = func() []float64 {
r := rand.New(rand.NewSource(2))
fa := make([]float64, 8*1024) fa := make([]float64, 8*1024)
for i := 0; i < len(fa); i++ { for i := 0; i < len(fa); i++ {
fa[i] = float64(int(rand.NormFloat64() * 1e6)) fa[i] = float64(int(r.NormFloat64() * 1e6))
} }
return fa return fa
}() }()