;; Copyright 2021 ;; Kaz Kylheku ;; Vancouver, Canada ;; All rights reserved. ;; ;; Redistribution and use in source and binary forms, with or without ;; modification, are permitted provided that the following conditions are met: ;; ;; 1. Redistributions of source code must retain the above copyright notice, ;; this list of conditions and the following disclaimer. ;; ;; 2. Redistributions in binary form must reproduce the above copyright notice, ;; this list of conditions and the following disclaimer in the documentation ;; and/or other materials provided with the distribution. ;; ;; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" ;; AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE ;; IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ;; ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE ;; LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR ;; CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF ;; SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS ;; INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN ;; CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ;; ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE ;; POSSIBILITY OF SUCH DAMAGE. (defmacro sum-each (vars . body) (with-gensyms (accum) ^(let ((,accum 0)) (each ,vars (inc ,accum (progn ,*body))) ,accum))) (defmacro sum-each* (vars . body) (with-gensyms (accum) ^(let ((,accum 0)) (each* ,vars (inc ,accum (progn ,*body))) ,accum))) (defmacro mul-each (vars . body) (with-gensyms (accum) ^(let ((,accum 1)) (each ,vars (set ,accum (* ,accum (progn ,*body)))) ,accum))) (defmacro mul-each* (vars . body) (with-gensyms (accum) ^(let ((,accum 1)) (each* ,vars (set ,accum (* ,accum (progn ,*body)))) ,accum)))