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| author | Hugo Hörnquist <hugo@hornquist.se> | 2017-10-20 21:35:01 +0200 |
|---|---|---|
| committer | Hugo Hörnquist <hugo@hornquist.se> | 2017-10-20 21:35:01 +0200 |
| commit | 73c2b4c02121dcf27889642ce4ff0f888119347b (patch) | |
| tree | 9678d4f2214737f075bfcbbd7884623931c3b05f | |
| parent | added small comment about what an invalid expression is (diff) | |
| download | math-parse-73c2b4c02121dcf27889642ce4ff0f888119347b.tar.gz math-parse-73c2b4c02121dcf27889642ce4ff0f888119347b.tar.xz | |
made code work standalone in guile
| -rw-r--r-- | math-parser.scm | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/math-parser.scm b/math-parser.scm index 1006926..826c9bd 100644 --- a/math-parser.scm +++ b/math-parser.scm @@ -1,3 +1,10 @@ +(use-modules (srfi srfi-1)) + +(define (contains-false? list) + (fold (lambda (item prev) + (if prev #t (eqv? item #f))) + #f list)) + ; parses a function written in mathematical notation to lisp notation ; currently handles (+ - * / ^). It does respect the order of operations (define (parse-math str) |