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| -rw-r--r-- | guile/taocp/utils/math.scm | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/guile/taocp/utils/math.scm b/guile/taocp/utils/math.scm new file mode 100644 index 0000000..768d30d --- /dev/null +++ b/guile/taocp/utils/math.scm @@ -0,0 +1,17 @@ +;;;; copyright 2016 rsiddharth <s@ricketyspace.net> +;;;; under gnu general public license version 3 or higher. + +(define-module (taocp utils math) + #:export (compute-exp1-n)) + + +(define (compute-exp1-n fx n) + "Evaluate function FX for `x` equals 1 to N and return all results +as a list + +Expression FX is a function that takes exactly one arugment. + +For instance `(lambda (x) (* x x))` is a valid FX. +" + (cond ((= n 0) '()) + (else (cons (fx n) (compute-exp1-n fx (1- n)))))) |