diff options
Diffstat (limited to 'src/algebra/strap/ILIST.lsp')
| -rw-r--r-- | src/algebra/strap/ILIST.lsp | 21 |
1 files changed, 7 insertions, 14 deletions
diff --git a/src/algebra/strap/ILIST.lsp b/src/algebra/strap/ILIST.lsp index 872490b2..addea91c 100644 --- a/src/algebra/strap/ILIST.lsp +++ b/src/algebra/strap/ILIST.lsp @@ -151,26 +151,22 @@ (DEFUN |ILIST;setfirst!;$2S;10| (|x| |s| $) (COND - ((SPADCALL |x| (|getShellEntry| $ 17)) - (|error| "Cannot update an empty list")) + ((NULL |x|) (|error| "Cannot update an empty list")) ('T (QCAR (RPLACA |x| |s|))))) (DEFUN |ILIST;setelt;$first2S;11| (|x| T2 |s| $) (COND - ((SPADCALL |x| (|getShellEntry| $ 17)) - (|error| "Cannot update an empty list")) + ((NULL |x|) (|error| "Cannot update an empty list")) ('T (QCAR (RPLACA |x| |s|))))) (DEFUN |ILIST;setrest!;3$;12| (|x| |y| $) (COND - ((SPADCALL |x| (|getShellEntry| $ 17)) - (|error| "Cannot update an empty list")) + ((NULL |x|) (|error| "Cannot update an empty list")) ('T (QCDR (RPLACD |x| |y|))))) (DEFUN |ILIST;setelt;$rest2$;13| (|x| T3 |y| $) (COND - ((SPADCALL |x| (|getShellEntry| $ 17)) - (|error| "Cannot update an empty list")) + ((NULL |x|) (|error| "Cannot update an empty list")) ('T (QCDR (RPLACD |x| |y|))))) (DEFUN |ILIST;construct;L$;14| (|l| $) (DECLARE (IGNORE $)) |l|) @@ -235,8 +231,7 @@ NIL (GO G190) G191 (EXIT NIL)) (LETT |y| (NREVERSE |y|) |ILIST;coerce;$Of;21|) (EXIT (COND - ((SPADCALL |s| (|getShellEntry| $ 17)) - (SPADCALL |y| (|getShellEntry| $ 40))) + ((NULL |s|) (SPADCALL |y| (|getShellEntry| $ 40))) ('T (SEQ (LETT |z| (SPADCALL @@ -475,10 +470,8 @@ (SEQ (COND ((EQL |n| 2) (COND - ((SPADCALL - (SPADCALL (SPADCALL |p| (|getShellEntry| $ 18)) - (|getShellEntry| $ 13)) - (SPADCALL |p| (|getShellEntry| $ 13)) |f|) + ((SPADCALL (|SPADfirst| (CDR |p|)) (|SPADfirst| |p|) + |f|) (LETT |p| (NREVERSE |p|) |ILIST;mergeSort|))))) (EXIT (COND ((< |n| 3) |p|) |