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| author | Elizabeth Hunt <elizabeth.hunt@simponic.xyz> | 2023-10-11 10:04:04 -0600 |
|---|---|---|
| committer | Elizabeth Hunt <elizabeth.hunt@simponic.xyz> | 2023-10-11 10:04:04 -0600 |
| commit | 43f06890e2689af2ef54c4480fe5790692a24f65 (patch) | |
| tree | b933f3e05aad81d780c0c94646676efa1bbad22d /deprecated-cl/approx,maceps.lisp | |
| parent | a74a732b27fb610133190e89a91b2d42d0cf78b3 (diff) | |
| download | cmath-43f06890e2689af2ef54c4480fe5790692a24f65.tar.gz cmath-43f06890e2689af2ef54c4480fe5790692a24f65.zip | |
deprecate common lisp solutions and write c; it's too much effort to keep up with the requirements for an archive.
Diffstat (limited to 'deprecated-cl/approx,maceps.lisp')
| -rw-r--r-- | deprecated-cl/approx,maceps.lisp | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/deprecated-cl/approx,maceps.lisp b/deprecated-cl/approx,maceps.lisp new file mode 100644 index 0000000..e2738e4 --- /dev/null +++ b/deprecated-cl/approx,maceps.lisp @@ -0,0 +1,12 @@ +(in-package :lizfcm.approx) + +(defun compute-maceps (f a init) + (let ((h init) + (err init)) + (loop collect (list a h err) + do + (setf h (/ h 2) + err (abs (- (funcall f (+ a h)) + (funcall f a)))) + while (> err 0)))) + |