#lang racket (require racket/extflonum) (require (planet williams/describe/describe)) (printf "--- Using literals (extended precision) ---~n") (describe 0.1t0) (describe 0.2t0) (describe 0.3t0) (describe 0.4t0) (describe 0.5t0) (describe 0.6t0) (describe 0.7t0) (describe 0.8t0) (describe 0.9t0) (describe 1.0t0) (printf "--- Using summation (extended precision) ---~n") (for/fold ((sum 0.0t0)) ((i (in-range 10))) (define new-sum (extfl+ sum 0.1t0)) (describe new-sum) new-sum) (printf "--- Using product (single precision) ---~n") (for ((i (in-range 1 11))) (describe (extfl* (->extfl i) 0.1t0)))