new tester; all tests categorized

tests/matrix/tmatrix.nim

@@ -0,0 +1,48 @@
+discard """
+  file: "tmatrix.nim"
+  output: "111"
+"""
+# Test overloading of [] with multiple indices
+
+type
+  TMatrix* = object
+    data: seq[float]
+    fWidth, fHeight: int
+
+template `|`(x, y: int): expr = y * m.fWidth + x
+
+proc createMatrix*(width, height: int): TMatrix = 
+  result.fWidth = width
+  result.fHeight = height
+  newSeq(result.data, width*height)
+
+proc width*(m: TMatrix): int {.inline.} = return m.fWidth
+proc height*(m: TMatrix): int {.inline.} = return m.fHeight
+
+proc `[]`*(m: TMatrix, x, y: int): float {.inline.} =
+  result = m.data[x|y]
+
+proc `[]=`*(m: var TMatrix, x, y: int, val: float) {.inline.} =
+  m.data[x|y] = val
+  
+proc `-|`*(m: TMatrix): TMatrix =
+  ## transposes a matrix
+  result = createMatrix(m.height, m.width)
+  for x in 0..m.width-1:
+    for y in 0..m.height-1: result[y,x] = m[x,y]
+
+#m.row(0, 2) # select row
+#m.col(0, 89) # select column
+
+const
+  w = 3
+  h = 20
+
+var m = createMatrix(w, h)
+for i in 0..w-1:
+  m[i, i] = 1.0
+
+for i in 0..w-1:
+  stdout.write(m[i,i]) #OUT 111
+
+

tests/matrix/tmatrix1.nim

@@ -0,0 +1,19 @@
+discard """
+  output: "right proc called"
+"""
+
+type
+  TMatrixNM*[M, N, T] = object 
+    aij*: array[M, array[N, T]]
+  TMatrix2x2*[T] = TMatrixNM[range[0..1], range[0..1], T]
+  TMatrix3x3*[T] = TMatrixNM[range[0..2], range[0..2], T]
+
+proc test*[T] (matrix: TMatrix2x2[T]) =
+  echo "wrong proc called"
+
+proc test*[T] (matrix: TMatrix3x3[T]) =
+  echo "right proc called"  
+
+var matrix: TMatrix3x3[float]
+
+matrix.test

tests/matrix/tmatrix2.nim

@@ -0,0 +1,22 @@
+discard """
+  output: "5.0000000000000000e+00"
+"""
+
+type
+  TMatrixNM*[M, N, T] = object 
+    aij*: T
+  TVectorN*[N, T] = TMatrixNM[range[0..0], N, T]
+  TVector3*[T] = TVectorN[range[0..2], T]
+
+proc coeffRef*[M, N, T] (matrix: var TMatrixNM[M, N, T], a: M, b: N): var T =
+  return matrix.aij
+
+proc coeffRef*[N, T] (vector: var TVectorN[N, T], i: N): var T = vector.aij
+
+var 
+  testVar: TVector3[float]
+
+testVar.aij = 2.0
+testVar.coeffRef(1) = 5.0
+
+echo testVar.aij