f2dc2027f6
in the original GitHub fork: https://github.com/ntoronto/racket Some things about this are known to be broken (most egregious is that the array tests DO NOT RUN because of a problem in typed/rackunit), about half has no coverage in the tests, and half has no documentation. Fixes and docs are coming. This is committed now to allow others to find errors and inconsistency in the things that appear to be working, and to give the author a (rather incomplete) sense of closure.
33 lines
1.4 KiB
Racket
33 lines
1.4 KiB
Racket
#lang racket/base
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(require (only-in "mpfr.rkt" consts 0ary-funs)
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"bigfloat-constants.rkt"
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racket/promise
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(for-syntax racket/base racket/syntax syntax/strip-context))
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(define-syntax (req/prov-constants stx)
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(syntax-case stx ()
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[(_ module collection force)
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(with-syntax ([require-it-name (datum->syntax stx (gensym 'require-it))])
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(syntax/loc stx
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(begin
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(define-syntax (require-it-name stx1)
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(syntax-case stx1 ()
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[(require-it-name)
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(with-syntax* ([(name (... ...)) (replace-context #'require-it-name collection)]
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[(stx-name (... ...)) (map (λ (name) (format-id name "stx:~a" name))
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(syntax->list #'(name (... ...))))])
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#'(begin (require (only-in module name (... ...)))
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(define-syntax (stx-name stx)
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(syntax-case stx ()
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[(_ . args) (syntax/loc stx ((force name) . args))]
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[_ (syntax/loc stx (force name))]))
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(... ...)
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(provide (rename-out [stx-name name] (... ...)))))]))
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(require-it-name))))]))
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(define-syntax-rule (apply0 x) (x))
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(req/prov-constants "bigfloat-constants.rkt" consts force)
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(req/prov-constants "bigfloat-constants.rkt" 0ary-funs apply0)
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