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-rw-r--r--cl/src/approx/derivative.lisp9
-rw-r--r--cl/src/approx/maceps.lisp11
-rw-r--r--cl/src/approx/package.lisp5
3 files changed, 0 insertions, 25 deletions
diff --git a/cl/src/approx/derivative.lisp b/cl/src/approx/derivative.lisp
deleted file mode 100644
index 02fcb4c..0000000
--- a/cl/src/approx/derivative.lisp
+++ /dev/null
@@ -1,9 +0,0 @@
-(in-package :lizfcm.approx)
-
-(defun derivative-at (f x &optional (delta 0.01))
- (let* ((x2 (+ x delta))
- (x1 (- x delta))
- (y2 (apply f (list x2)))
- (y1 (apply f (list x1))))
- (/ (- y2 y1)
- (- x2 x1))))
diff --git a/cl/src/approx/maceps.lisp b/cl/src/approx/maceps.lisp
deleted file mode 100644
index ad234e8..0000000
--- a/cl/src/approx/maceps.lisp
+++ /dev/null
@@ -1,11 +0,0 @@
-(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))))
diff --git a/cl/src/approx/package.lisp b/cl/src/approx/package.lisp
deleted file mode 100644
index c11eb60..0000000
--- a/cl/src/approx/package.lisp
+++ /dev/null
@@ -1,5 +0,0 @@
-(in-package :cl-user)
-(defpackage lizfcm.approx
- (:use :cl)
- (:export :derivative-at
- :compute-maceps))