diff options
Diffstat (limited to 'cl/src/utils')
| -rw-r--r-- | cl/src/utils/package.lisp | 4 | ||||
| -rw-r--r-- | cl/src/utils/within-range.lisp | 5 |
2 files changed, 9 insertions, 0 deletions
diff --git a/cl/src/utils/package.lisp b/cl/src/utils/package.lisp new file mode 100644 index 0000000..0436a94 --- /dev/null +++ b/cl/src/utils/package.lisp @@ -0,0 +1,4 @@ +(in-package :cl-user) +(defpackage lizfcm.utils + (:use :cl) + (:export :within-range-p)) diff --git a/cl/src/utils/within-range.lisp b/cl/src/utils/within-range.lisp new file mode 100644 index 0000000..9a0b762 --- /dev/null +++ b/cl/src/utils/within-range.lisp @@ -0,0 +1,5 @@ +(in-package :lizfcm.utils) + +(defun within-range-p (x true-value delta) + (and (< x (+ true-value delta)) + (> x (- true-value delta)))) |