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Serguei Bezverkhi
2018-01-09 13:57:14 -05:00
parent 558bc6c02a
commit 7b24313bd6
16547 changed files with 4527373 additions and 0 deletions
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vendor/gopkg.in/inf.v0/dec_internal_test.go generated vendored Normal file
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package inf
import (
"math/big"
"testing"
)
var decQuoRemZZZ = []struct {
z, x, y *Dec
r *big.Rat
srA, srB int
}{
// basic examples
{NewDec(1, 0), NewDec(2, 0), NewDec(2, 0), big.NewRat(0, 1), 0, 1},
{NewDec(15, 1), NewDec(3, 0), NewDec(2, 0), big.NewRat(0, 1), 0, 1},
{NewDec(1, 1), NewDec(1, 0), NewDec(10, 0), big.NewRat(0, 1), 0, 1},
{NewDec(0, 0), NewDec(2, 0), NewDec(3, 0), big.NewRat(2, 3), 1, 1},
{NewDec(0, 0), NewDec(2, 0), NewDec(6, 0), big.NewRat(1, 3), 1, 1},
{NewDec(1, 1), NewDec(2, 0), NewDec(12, 0), big.NewRat(2, 3), 1, 1},
// examples from the Go Language Specification
{NewDec(1, 0), NewDec(5, 0), NewDec(3, 0), big.NewRat(2, 3), 1, 1},
{NewDec(-1, 0), NewDec(-5, 0), NewDec(3, 0), big.NewRat(-2, 3), -1, 1},
{NewDec(-1, 0), NewDec(5, 0), NewDec(-3, 0), big.NewRat(-2, 3), 1, -1},
{NewDec(1, 0), NewDec(-5, 0), NewDec(-3, 0), big.NewRat(2, 3), -1, -1},
}
func TestDecQuoRem(t *testing.T) {
for i, a := range decQuoRemZZZ {
z, rA, rB := new(Dec), new(big.Int), new(big.Int)
s := scaleQuoExact{}.Scale(a.x, a.y)
z.quoRem(a.x, a.y, s, true, rA, rB)
if a.z.Cmp(z) != 0 || a.r.Cmp(new(big.Rat).SetFrac(rA, rB)) != 0 {
t.Errorf("#%d QuoRemZZZ got %v, %v, %v; expected %v, %v", i, z, rA, rB, a.z, a.r)
}
if a.srA != rA.Sign() || a.srB != rB.Sign() {
t.Errorf("#%d QuoRemZZZ wrong signs, got %v, %v; expected %v, %v", i, rA.Sign(), rB.Sign(), a.srA, a.srB)
}
}
}