;;; Copyright (C) 2024 David Thompson ;;; ;;; Licensed under the Apache License, Version 2.0 (the "License"); ;;; you may not use this file except in compliance with the License. ;;; You may obtain a copy of the License at ;;; ;;; http://www.apache.org/licenses/LICENSE-2.0 ;;; ;;; Unless required by applicable law or agreed to in writing, software ;;; distributed under the License is distributed on an "AS IS" BASIS, ;;; WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. ;;; See the License for the specific language governing permissions and ;;; limitations under the License. ;;; Commentary: ;;; ;;; Helpful math things. ;;; ;;; Code: (define-module (math) #:pure #:use-module (scheme base) #:use-module (hoot ffi) #:export (random clamp)) (define-foreign random "math" "random" -> f64) (define (clamp x min max) (cond ((< x min) min) ((> x max) max) (else x)))