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package tensor
import (
"testing"
"github.com/stretchr/testify/assert"
)
func TestMaskedInspection(t *testing.T) {
assert := assert.New(t)
var retT *Dense
//vector case
T := New(Of(Bool), WithShape(1, 12))
T.ResetMask(false)
assert.False(T.MaskedAny().(bool))
for i := 0; i < 12; i += 2 {
T.mask[i] = true
}
assert.True(T.MaskedAny().(bool))
assert.True(T.MaskedAny(0).(bool))
assert.False(T.MaskedAll().(bool))
assert.False(T.MaskedAll(0).(bool))
assert.Equal(6, T.MaskedCount())
assert.Equal(6, T.MaskedCount(0))
assert.Equal(6, T.NonMaskedCount())
assert.Equal(6, T.NonMaskedCount(0))
//contiguous mask case
/*equivalent python code
---------
import numpy.ma as ma
a = ma.arange(12).reshape((2, 3, 2))
a[0,0,0]=ma.masked
a[0,2,0]=ma.masked
print(ma.getmask(a).all())
print(ma.getmask(a).any())
print(ma.count_masked(a))
print(ma.count(a))
print(ma.getmask(a).all(0))
print(ma.getmask(a).any(0))
print(ma.count_masked(a,0))
print(ma.count(a,0))
print(ma.getmask(a).all(1))
print(ma.getmask(a).any(1))
print(ma.count_masked(a,1))
print(ma.count(a,1))
print(ma.getmask(a).all(2))
print(ma.getmask(a).any(2))
print(ma.count_masked(a,2))
print(ma.count(a,2))
-----------
*/
T = New(Of(Bool), WithShape(2, 3, 2))
T.ResetMask(false)
for i := 0; i < 2; i += 2 {
for j := 0; j < 3; j += 2 {
for k := 0; k < 2; k += 2 {
a, b, c := T.strides[0], T.strides[1], T.strides[2]
T.mask[i*a+b*j+c*k] = true
}
}
}
assert.Equal([]bool{true, false, false, false, true, false,
false, false, false, false, false, false}, T.mask)
assert.Equal(false, T.MaskedAll())
assert.Equal(true, T.MaskedAny())
assert.Equal(2, T.MaskedCount())
assert.Equal(10, T.NonMaskedCount())
retT = T.MaskedAll(0).(*Dense)
assert.Equal([]int{3, 2}, []int(retT.shape))
assert.Equal([]bool{false, false, false, false, false, false}, retT.Bools())
retT = T.MaskedAny(0).(*Dense)
assert.Equal([]int{3, 2}, []int(retT.shape))
assert.Equal([]bool{true, false, false, false, true, false}, retT.Bools())
retT = T.MaskedCount(0).(*Dense)
assert.Equal([]int{3, 2}, []int(retT.shape))
assert.Equal([]int{1, 0, 0, 0, 1, 0}, retT.Ints())
retT = T.NonMaskedCount(0).(*Dense)
assert.Equal([]int{1, 2, 2, 2, 1, 2}, retT.Ints())
retT = T.MaskedAll(1).(*Dense)
assert.Equal([]int{2, 2}, []int(retT.shape))
assert.Equal([]bool{false, false, false, false}, retT.Bools())
retT = T.MaskedAny(1).(*Dense)
assert.Equal([]int{2, 2}, []int(retT.shape))
assert.Equal([]bool{true, false, false, false}, retT.Bools())
retT = T.MaskedCount(1).(*Dense)
assert.Equal([]int{2, 2}, []int(retT.shape))
assert.Equal([]int{2, 0, 0, 0}, retT.Ints())
retT = T.NonMaskedCount(1).(*Dense)
assert.Equal([]int{1, 3, 3, 3}, retT.Ints())
retT = T.MaskedAll(2).(*Dense)
assert.Equal([]int{2, 3}, []int(retT.shape))
assert.Equal([]bool{false, false, false, false, false, false}, retT.Bools())
retT = T.MaskedAny(2).(*Dense)
assert.Equal([]int{2, 3}, []int(retT.shape))
assert.Equal([]bool{true, false, true, false, false, false}, retT.Bools())
retT = T.MaskedCount(2).(*Dense)
assert.Equal([]int{2, 3}, []int(retT.shape))
assert.Equal([]int{1, 0, 1, 0, 0, 0}, retT.Ints())
retT = T.NonMaskedCount(2).(*Dense)
assert.Equal([]int{1, 2, 1, 2, 2, 2}, retT.Ints())
}
func TestMaskedFindContiguous(t *testing.T) {
assert := assert.New(t)
T := NewDense(Int, []int{1, 100})
T.ResetMask(false)
retSL := T.FlatNotMaskedContiguous()
assert.Equal(1, len(retSL))
assert.Equal(rs{0, 100, 1}, retSL[0].(rs))
// test ability to find unmasked regions
sliceList := make([]Slice, 0, 4)
sliceList = append(sliceList, makeRS(3, 9), makeRS(14, 27), makeRS(51, 72), makeRS(93, 100))
T.ResetMask(true)
for i := range sliceList {
tt, _ := T.Slice(nil, sliceList[i])
ts := tt.(*Dense)
ts.ResetMask(false)
}
retSL = T.FlatNotMaskedContiguous()
assert.Equal(sliceList, retSL)
retSL = T.ClumpUnmasked()
assert.Equal(sliceList, retSL)
// test ability to find masked regions
T.ResetMask(false)
for i := range sliceList {
tt, _ := T.Slice(nil, sliceList[i])
ts := tt.(*Dense)
ts.ResetMask(true)
}
retSL = T.FlatMaskedContiguous()
assert.Equal(sliceList, retSL)
retSL = T.ClumpMasked()
assert.Equal(sliceList, retSL)
}
func TestMaskedFindEdges(t *testing.T) {
assert := assert.New(t)
T := NewDense(Int, []int{1, 100})
sliceList := make([]Slice, 0, 4)
sliceList = append(sliceList, makeRS(0, 9), makeRS(14, 27), makeRS(51, 72), makeRS(93, 100))
// test ability to find unmasked edges
T.ResetMask(false)
for i := range sliceList {
tt, _ := T.Slice(nil, sliceList[i])
ts := tt.(*Dense)
ts.ResetMask(true)
}
start, end := T.FlatNotMaskedEdges()
assert.Equal(9, start)
assert.Equal(92, end)
// test ability to find masked edges
T.ResetMask(true)
for i := range sliceList {
tt, _ := T.Slice(nil, sliceList[i])
ts := tt.(*Dense)
ts.ResetMask(false)
}
start, end = T.FlatMaskedEdges()
assert.Equal(9, start)
assert.Equal(92, end)
}
|
