Changeset 3597

Timestamp:

2015-09-05T18:30:20-07:00 (9 years ago)

Author:

Marek Rychlik

Message:

* empty log message *

File:

• branches/f4grobner/5am-monom.lisp (modified) (1 diff)

branches/f4grobner/5am-monom.lisp

@@ -128 +128 @@
     (is-false (funcall elim-order-2 p q))))
 
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;;
+;;        TERM class tests
+;;
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+
+(def-fixture term-context ()
+  (symbol-macrolet 
+      ((z (make-instance 'term  :dimension 3 :coeff 5))
+       (m (make-instance 'term  :dimension 3 :exponents '(1 2 3) :coeff 6))
+       (n (make-instance 'term  :dimension 3 :exponents '(4 5 6) :coeff 12))
+       (m*n (make-instance 'term  :dimension 3 :exponents '(5 7 9) :coeff 72))
+       (n/m (make-instance 'term  :dimension 3 :exponents '(3 3 3) :coeff 2))
+       (m-tensor-n (make-instance 'term  :exponents '(1 2 3 4 5 6) :coeff 72))
+       (m-uminus (make-instance 'term  :dimension 3 :exponents '(1 2 3) :coeff -6)))
+    (&body)))
+
+(test term-basics
+  "Term basics"
+  (with-fixture term-context () 
+    (is (= (r-dimension m) 3))
+    (is (= (r-elt m 2) 3))
+    (is (= (r-total-degree m) 6))
+    (is (= (r-sugar m) 6))
+    (is (equalp  (r->list z) '(0 0 0)) "Trivial term is a vector of 0's")
+    (is (r-equalp (r* m n) m*n))
+    (is (r-equalp (r/ n m) n/m))
+    (is (r-equalp (right-tensor-product-by m n) m-tensor-n))
+    (signals
+        (error "EXPONENTS must have length DIMENSION") 
+      (make-instance 'term  :dimension 3 :exponents '(1 2 3 4 5 6) :coeff 77))
+    (is-true (r-divides-p m n))
+    (is-false (r-divides-p n m))
+    (is (r-equalp (r-gcd m n) m))
+    (is (r-equalp (r-lcm m n) n))
+    (is-true (r-depends-p m 0))
+    (signals
+        (error "Index out of bounds")
+      (r-depends-p m 3))
+    )
+  (with-fixture term-context ()
+    (is (r-equalp (multiply-by m n) m*n)))
+  (with-fixture term-context ()
+    (is (r-equalp (divide-by n m) n/m)))
+  (with-fixture term-context ()
+    (is (r-equalp (unary-minus m) m-uminus))))
+
+
+(def-fixture monom/term-conversion-context ()
+  (symbol-macrolet 
+      ((term (make-instance 'term :exponents '(1 2 3) :coeff 4))
+       (monom (make-instance 'monom :exponents '(1 2 3)))
+       (promoted-monom  (make-instance 'term :exponents '(1 2 3) :coeff 1)))
+    (&body)))
+
+(test monom/term-conversion
+  "Monom/term conversion"
+  (with-fixture monom/term-conversion-context ()
+    (is (r-equalp (change-class term 'monom) monom)))
+  (with-fixture monom/term-conversion-context ()
+    (is (r-equalp (change-class monom 'term) promoted-monom))))
+
+(test monom/term-copy
+  "Monom/term copy"
+  (with-fixture monom/term-conversion-context ()
+    (is (r-equalp (copy-instance monom) monom))
+    (is (r-equalp (copy-instance term) term)))
+  )
+
+(test term-tensor-product
+  "Term tensor product"
+  (let ((term1 (make-instance 'term :exponents '(1 2 3) :coeff 4))
+        (term2 (make-instance 'term :exponents '(4 5) :coeff 3))
+        (term1-left-tensor-by-term2 (make-instance 'term :exponents '(4 5 1 2 3) :coeff 12)))
+    (is (r-equalp (left-tensor-product-by term1 term2) term1-left-tensor-by-term2))))
+
+(test term-contract
+  "Term contract"
+  (let ((term (make-instance 'term :exponents '(1 2 3) :coeff 4))
+        (term-contracted (make-instance 'term :exponents '(2 3) :coeff 4)))
+    (is (r-equalp (left-contract term 1) term-contracted))))
+
+
+
+
 (run! 'monom-suite)
 (format t "All tests done!~%")