diff options
| author | Elizabeth Hunt <elizabeth.hunt@simponic.xyz> | 2023-10-09 21:37:44 -0600 |
|---|---|---|
| committer | Elizabeth Hunt <elizabeth.hunt@simponic.xyz> | 2023-10-09 21:37:44 -0600 |
| commit | e46e5eee74af75aa1123b2370ff2f4587f4adc2a (patch) | |
| tree | ae793dd22176613282e41ce6d15f481c072a8a57 /src/tests,maceps.lisp | |
| parent | adda6869cb2a07984b48c39fcd70ee76449c353d (diff) | |
| download | cmath-e46e5eee74af75aa1123b2370ff2f4587f4adc2a.tar.gz cmath-e46e5eee74af75aa1123b2370ff2f4587f4adc2a.zip | |
flatten directory structure to appease dr koebbe
Diffstat (limited to 'src/tests,maceps.lisp')
| -rw-r--r-- | src/tests,maceps.lisp | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/src/tests,maceps.lisp b/src/tests,maceps.lisp new file mode 100644 index 0000000..cd5ced9 --- /dev/null +++ b/src/tests,maceps.lisp @@ -0,0 +1,27 @@ +(defpackage lizfcm/tests.maceps + (:use :cl + :fiveam + :lizfcm.approx + :lizfcm.utils + :lizfcm/tests) + (:export :approx-suite)) +(in-package :lizfcm/tests.maceps) + +(def-suite maceps-suite + :in lizfcm-test-suite) +(in-suite maceps-suite) + +(test maceps + :description "double precision provides precision about (mac eps of single precision) squared" + (let* ((maceps-computation-double (compute-maceps (lambda (x) x) + 1.0d0 + 1.0d0)) + (maceps-computation-single (compute-maceps (lambda (x) x) + 1.0 + 1.0)) + (last-double-h (cadar (last maceps-computation-double))) + (last-single-h (cadar (last maceps-computation-single)))) + (is (within-range-p + (- last-double-h (* last-single-h last-single-h)) + 0 + last-single-h)))) |