First commit!

modules/math.scm

@@ -0,0 +1,49 @@
+;;; Copyright (C) 2024 David Thompson <dave@spritely.institute>
+;;;
+;;; 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:
+
+;; (library (math)
+;;   (export random
+;;           clamp)
+;;   (import (scheme base)
+;;           (hoot ffi))
+
+;;   (define-foreign random
+;;     "math" "random"
+;;     -> f64)
+
+;;   (define (clamp x min max)
+;;     (cond ((< x min) min)
+;;           ((> x max) max)
+;;           (else x))))
+
+(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)))