--- a/tests/test_matrix.nim	Mon Jun 03 16:05:17 2024 +0700
+++ b/tests/test_matrix.nim	Tue Jun 04 16:51:50 2024 +0700
@@ -23,12 +23,12 @@
 proc echoCross[T, U](v1: T, v2: U) =
   echo v1, " x ", v2, " = ", v1.cross(v2)
 
-proc randVec2I(): auto = newVec2(rand(1 .. 10), rand(1 .. 10))
-proc randVec2F(): auto = newVec2(rand(10'f) + 0.01, rand(10'f) + 0.01)
-proc randVec3I(): auto = newVec3(rand(1 .. 10), rand(1 .. 10), rand(1 .. 10))
-proc randVec3F(): auto = newVec3(rand(10'f) + 0.01, rand(10'f) + 0.01, rand(10'f) + 0.01)
-proc randVec4I(): auto = newVec4(rand(1 .. 10), rand(1 .. 10), rand(1 .. 10), rand(1 .. 10))
-proc randVec4F(): auto = newVec4(rand(10'f) + 0.01, rand(10'f) + 0.01, rand(10'f) + 0.01, rand(10'f) + 0.01)
+proc randVec2I(): auto = NewVec2(rand(1 .. 10), rand(1 .. 10))
+proc randVec2F(): auto = NewVec2(rand(10'f) + 0.01, rand(10'f) + 0.01)
+proc randVec3I(): auto = NewVec3(rand(1 .. 10), rand(1 .. 10), rand(1 .. 10))
+proc randVec3F(): auto = NewVec3(rand(10'f) + 0.01, rand(10'f) + 0.01, rand(10'f) + 0.01)
+proc randVec4I(): auto = NewVec4(rand(1 .. 10), rand(1 .. 10), rand(1 .. 10), rand(1 .. 10))
+proc randVec4F(): auto = NewVec4(rand(10'f) + 0.01, rand(10'f) + 0.01, rand(10'f) + 0.01, rand(10'f) + 0.01)
 
 
 template withAllIntegerMats(stuff: untyped) =
@@ -81,28 +81,36 @@
 
 template testTranspose(t: typedesc) =
   echo "testTranspose: ", t
-  let m = t().randomized()
-  assert m == m.transposed().transposed()
+  let m = t().Randomized()
+  assert m == m.Transposed().Transposed()
+
+template testInversed(t: typedesc) =
+  echo "testTranspose: ", t
+  let m = t().Randomized()
+  var unit = t()
+  for i in unit.RowCount:
+    unit[i][i] = 1
+  assert m.Transposed() * m == unit
 
 template testAssignI(t: typedesc) =
   echo "testAssignI: ", t
   var m = t()
   for i in 0 ..< t.data.len:
-    m[rand(0 ..< t.rowCount), rand(0 ..< t.columnCount)] = rand(0'i32 .. 100'i32)
+    m[rand(0 ..< t.RowCount), rand(0 ..< t.ColumnCount)] = rand(0'i32 .. 100'i32)
 
 template testAssignF(t: typedesc) =
   echo "testAssignF: ", t
   var m = t()
   for i in 0 ..< t.data.len:
-    m[rand(0 ..< t.rowCount), rand(0 ..< t.columnCount)] = rand(100'f)
+    m[rand(0 ..< t.RowCount), rand(0 ..< t.ColumnCount)] = rand(100'f)
 
 template testRowCols(t: typedesc) =
   echo "testRowCols: ", t
-  var m = t().randomized()
-  for i in 0 ..< t.rowCount:
-    echo m.row(i)
-  for i in 0 ..< t.columnCount:
-    echo m.col(i)
+  var m = t().Randomized()
+  for i in 0 ..< t.RowCount:
+    echo m.Row(i)
+  for i in 0 ..< t.ColumnCount:
+    echo m.Col(i)
 
 
 proc testMatrix() =
@@ -132,19 +140,19 @@
   echo Unit4i32
   echo Unit4i64
 
-  echo TMat2[float32]().randomized() * One2.randomized()
-  echo TMat3[float32]().randomized() * One3.randomized()
-  echo TMat4[float32]().randomized() * One4.randomized()
+  echo TMat2[float32]().Randomized() * One2.Randomized()
+  echo TMat3[float32]().Randomized() * One3.Randomized()
+  echo TMat4[float32]().Randomized() * One4.Randomized()
 
-  echo float32(rand(1'f32)) * TMat2[float32]().randomized()
-  echo TMat2[float]().randomized() * rand(1'f)
-  echo TMat2[float]().randomized() * rand(1'f)
-  echo TMat23[float]().randomized() * rand(1'f)
-  echo TMat23[float]().randomized() * rand(1'f)
-  echo TMat3[float]().randomized() * rand(1'f)
-  echo TMat34[float]().randomized() * rand(1'f)
-  echo TMat43[float]().randomized() * rand(1'f)
-  echo TMat4[float]().randomized() * rand(1'f)
+  echo float32(rand(1'f32)) * TMat2[float32]().Randomized()
+  echo TMat2[float]().Randomized() * rand(1'f)
+  echo TMat2[float]().Randomized() * rand(1'f)
+  echo TMat23[float]().Randomized() * rand(1'f)
+  echo TMat23[float]().Randomized() * rand(1'f)
+  echo TMat3[float]().Randomized() * rand(1'f)
+  echo TMat34[float]().Randomized() * rand(1'f)
+  echo TMat43[float]().Randomized() * rand(1'f)
+  echo TMat4[float]().Randomized() * rand(1'f)
 
 randomize()
 testMatrix()