suzanne.soy/scribble-math
1
0
Fork 0
Code Issues 8 Pull Requests 3 Actions Packages Projects Releases Wiki Activity

Added the conditional expression If

Browse Source
This commit is contained in:
Jens Axel Søgaard 2012-06-21 17:57:04 +02:00
parent db41d6d1b7
commit ab9dca4cd9
2 changed files with 18 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
bracket/bracket.rkt
View File

@ -820,6 +820,7 @@
Variables
Map
Apply
If
Append
AppendStar
Sin Cos Tan Sqrt
@ -850,6 +851,11 @@
(define Hold 'Hold)
(define (If t c a)
(if (atomic-expression? t)
(if t c a)
(construct 'If (list t c a))))
(define (Plus . expressions)
(simplify-plus expressions))
@ -1331,7 +1337,12 @@
(check-equal? (Expand (Power (Plus a b) 2))
(Plus (Power a 2) (Times 2 a b) (Power b 2)))
(check-equal? (Expand (Times a (Plus x y)))
(Plus (Times a x) (Times a y))))
(Plus (Times a x) (Times a y)))
; If
(check-equal? (If (Equal 1 1) 2 3) 2)
(check-equal? (If (Equal 1 2) 2 3) 3)
(check-equal? (If (Equal 1 x) 2 3) '(If (Equal 1 x) 2 3))
)
#;(require (submod "." symbolic-application)

6
bracket/tests/testing.rkt
View File

@ -25,3 +25,9 @@ norm(a);
norm(b);
proj(a,b);
line({x0,y0},{z,w});
x:=0;
x=0;
If(x=0,1,2);
If(x=0,1,2);
If(x=42,1,2);
If(3+z,1,2)