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authorElizabeth Hunt <elizabeth.hunt@simponic.xyz>2023-09-27 09:53:37 -0600
committerElizabeth Hunt <elizabeth.hunt@simponic.xyz>2023-09-27 09:53:37 -0600
commit1a8c81d07efe55c5a6909aff32359d4b8866af1c (patch)
treedbaf949a4d20226560d97ef9b48dbdcd71b7ad1a /src/approx/maceps.lisp
parent5e85a662d21081bc27adc1142759659cca59cd62 (diff)
downloadcmath-1a8c81d07efe55c5a6909aff32359d4b8866af1c.tar.gz
cmath-1a8c81d07efe55c5a6909aff32359d4b8866af1c.zip
keep unit tests but make directory structure more consistent with requirements i did not read
Diffstat (limited to 'src/approx/maceps.lisp')
-rw-r--r--src/approx/maceps.lisp11
1 files changed, 11 insertions, 0 deletions
diff --git a/src/approx/maceps.lisp b/src/approx/maceps.lisp
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+(in-package :lizfcm.approx)
+
+(defun compute-maceps (f a init)
+ (let ((h init)
+ (err init))
+ (loop while (> err 0)
+ do
+ (setf h (/ h 2)
+ err (abs (- (funcall f (+ a h))
+ (funcall f a))))
+ collect (list a h err))))