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mat: factor condition code into factorising types

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This commit is contained in:
kortschak
2017-08-04 14:48:41 +09:30
committed by Dan Kortschak
parent 5c57666bd6
commit 9342bd1d5a
5 changed files with 54 additions and 69 deletions
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14
mat/matrix_test.go
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@@ -237,18 +237,28 @@ func TestCond(t *testing.T) {
condInf: 31.153846153846136,
},
} {
orig := DenseCopyOf(test.a)
condOne := Cond(test.a, 1)
if !floats.EqualWithinAbsOrRel(test.condOne, condOne, 1e-13, 1e-13) {
t.Errorf("Case %d: inf norm mismatch. Want %v, got %v", i, test.condOne, condOne)
t.Errorf("Case %d: one norm mismatch. Want %v, got %v", i, test.condOne, condOne)
}
if !Equal(test.a, orig) {
t.Errorf("Case %d: unexpected mutation of input matrix for one norm. Want %v, got %v", i, orig, test.a)
}
condTwo := Cond(test.a, 2)
if !floats.EqualWithinAbsOrRel(test.condTwo, condTwo, 1e-13, 1e-13) {
t.Errorf("Case %d: inf norm mismatch. Want %v, got %v", i, test.condTwo, condTwo)
t.Errorf("Case %d: two norm mismatch. Want %v, got %v", i, test.condTwo, condTwo)
}
if !Equal(test.a, orig) {
t.Errorf("Case %d: unexpected mutation of input matrix for two norm. Want %v, got %v", i, orig, test.a)
}
condInf := Cond(test.a, math.Inf(1))
if !floats.EqualWithinAbsOrRel(test.condInf, condInf, 1e-13, 1e-13) {
t.Errorf("Case %d: inf norm mismatch. Want %v, got %v", i, test.condInf, condInf)
}
if !Equal(test.a, orig) {
t.Errorf("Case %d: unexpected mutation of input matrix for inf norm. Want %v, got %v", i, orig, test.a)
}
}
for _, test := range []struct {