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Mark Evenson
ansi-test
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52d21992
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52d21992
authored
6 years ago
by
Marius Gerbershagen
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format: add basic tests for the ~e format directive
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723e911f
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printer/format/format-e.lsp
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printer/format/format-e.lsp
printer/format/load.lsp
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printer/format/load.lsp
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printer/format/format-e.lsp
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52d21992
;-*- Mode: Lisp -*-
;;;; Author: Marius Gerbershagen
;;;; Created: Wed Feb 6 19:35:53 2019
;;;; Contains: Tests of the ~e format directive
;;; Equivalent to PRIN1 for (abs x) outside of the range [10^-3,10^7),
;;; apart from the sign of the exponent, which is always printed.
(deftest format.e.1
(let ((*print-readably* nil)
(fn (formatter "~e")))
(loop
for i = (random 4)
for type = (elt #(short-float single-float double-float long-float) i)
for min-value = (elt (vector least-positive-short-float least-positive-single-float
least-positive-double-float least-positive-long-float)
i)
for max-value = (elt (vector most-positive-short-float most-positive-single-float
most-positive-double-float most-positive-long-float)
i)
for x = (expt (coerce 10 type)
(if (= (random 2) 0)
(- -3 (random (- -3 (log min-value 10))))
(+ 7 (random (- (log max-value 10) 7)))))
for s1 = (let ((*read-default-float-format* type)) (format nil "~e" x))
for s2 = (let* ((*read-default-float-format* type)
(s (prin1-to-string x))
(exp-pos (1+ (position #\e s))))
(if (> x 1)
(concatenate 'string (subseq s 0 exp-pos) "+" (subseq s exp-pos))
s))
for s3 = (let ((*read-default-float-format* type))
(formatter-call-to-string fn x))
repeat 1000
when (and (or (< x 1/1000)
(>= x 10000000))
(or (not (string= s1 s2))
(not (string= s1 s3))))
collect (list x s1 s2 s3)))
nil)
(deftest format.e.2
(let ((*print-readably* nil)
(fn (formatter "~e")))
(loop
for i = (random 4)
for type = (elt #(short-float single-float double-float long-float) i)
for min-value = (elt (vector least-negative-short-float least-negative-single-float
least-negative-double-float least-negative-long-float)
i)
for max-value = (elt (vector most-negative-short-float most-negative-single-float
most-negative-double-float most-negative-long-float)
i)
for x = (- (expt (coerce 10 type)
(if (= (random 2) 0)
(- -3 (random (- -3 (log (abs min-value) 10))))
(+ 7 (random (- (log (abs max-value) 10) 7))))))
for s1 = (let ((*read-default-float-format* type)) (format nil "~e" x))
for s2 = (let* ((*read-default-float-format* type)
(s (prin1-to-string x))
(exp-pos (1+ (position #\e s))))
(if (< x -1)
(concatenate 'string (subseq s 0 exp-pos) "+" (subseq s exp-pos))
s))
for s3 = (let ((*read-default-float-format* type))
(formatter-call-to-string fn x))
repeat 1000
when (and (or (> x -1/1000)
(<= x -10000000))
(or (not (string= s1 s2))
(not (string= s1 s3))))
collect (list x s1 s2 s3)))
nil)
;;; If the parameter d is omitted, [...] a value is chosen for d in
;;; such a way that as many digits as possible may be printed subject
;;; to [...] the constraint that no trailing zero digits may appear in
;;; the fraction, except that if the fraction to be printed is zero
;;; then a single zero digit should appear after the decimal point.
(deftest format.e.3
(let ((fn (formatter "~6e")))
(loop for x in '(0 0.0s0 0.0f0 0.0d0 0.0l0)
for type in '(single-float short-float single-float
double-float long-float)
for s = (let ((*read-default-float-format* type))
(format nil "~6e" x))
for s2 = (let ((*read-default-float-format* type))
(formatter-call-to-string fn x))
unless (and (string= s "0.0e+0") (string= s s2))
collect (list x s s2)))
nil)
(deftest format.e.4
(let ((fn (formatter "~5e")))
(loop for x in '(1 1.0s0 1.0f0 1.0d0 1.0l0)
for type in '(single-float short-float single-float
double-float long-float)
for s = (let ((*read-default-float-format* type))
(format nil "~5e" x))
for s2 = (let ((*read-default-float-format* type))
(formatter-call-to-string fn x))
unless (and (string= s "1.e+0") (string= s s2))
collect (list x s s2)))
nil)
(deftest format.e.5
(let ((fn (formatter "~4e")))
(loop for x in '(1 1.0s0 1.0f0 1.0d0 1.0l0)
for type in '(single-float short-float single-float
double-float long-float)
for s = (let ((*read-default-float-format* type))
(format nil "~4e" x))
for s2 = (let ((*read-default-float-format* type))
(formatter-call-to-string fn x))
unless (and (string= s "1.e+0") (string= s s2))
collect (list x s s2)))
nil)
(deftest format.e.6
(let ((fn (formatter "~6e")))
(loop for x in '(1 1.0s0 1.0f0 1.0d0 1.0l0)
for type in '(single-float short-float single-float
double-float long-float)
for s = (let ((*read-default-float-format* type))
(format nil "~6e" x))
for s2 = (let ((*read-default-float-format* type))
(formatter-call-to-string fn x))
unless (and (string= s " 1.e+0") (string= s s2))
collect (list x s s2)))
nil)
(deftest format.e.7
(let ((fn (formatter "~6@e")))
(loop for x in '(1 1.0s0 1.0f0 1.0d0 1.0l0)
for type in '(single-float short-float single-float
double-float long-float)
for s = (let ((*read-default-float-format* type))
(format nil "~6@e" x))
for s2 = (let ((*read-default-float-format* type))
(formatter-call-to-string fn x))
unless (and (string= s "+1.e+0") (string= s s2))
collect (list x s s2)))
nil)
(deftest format.e.8
(let ((fn (formatter "~5@e")))
(loop for x in '(1 1.0s0 1.0f0 1.0d0 1.0l0)
for type in '(single-float short-float single-float
double-float long-float)
for s = (let ((*read-default-float-format* type))
(format nil "~5@e" x))
for s2 = (let ((*read-default-float-format* type))
(formatter-call-to-string fn x))
unless (and (string= s "+1.e+0") (string= s s2))
collect (list x s s2)))
nil)
(deftest format.e.9
(let ((fn (formatter "~6e")))
(loop for x in '(1 1.0s0 1.0f0 1.0d0 1.0l0)
for type in '(single-float short-float single-float
double-float long-float)
for s = (let ((*read-default-float-format* type))
(format nil "~6e" (- x)))
for s2 = (let ((*read-default-float-format* type))
(formatter-call-to-string fn (- x)))
unless (and (string= s "-1.e+0") (string= s s2))
collect (list x s s2)))
nil)
;;; d parameter
(deftest format.e.10
(let ((fn (formatter "~7,2e")))
(loop for x in '(1/2 0.5s0 0.5f0 0.5d0 0.5l0)
for type in '(single-float short-float single-float
double-float long-float)
for s = (let ((*read-default-float-format* type))
(format nil "~7,2e" x))
for s2 = (let ((*read-default-float-format* type))
(formatter-call-to-string fn x))
unless (and (string= s "5.00e-1") (string= s s2))
collect (list x s s2)))
nil)
(deftest format.e.11
(let ((fn (formatter "~6,2e")))
(loop for x in '(1/2 0.5s0 0.5f0 0.5d0 0.5l0)
for type in '(single-float short-float single-float
double-float long-float)
for s = (let ((*read-default-float-format* type))
(format nil "~6,2e" x))
for s2 = (let ((*read-default-float-format* type))
(formatter-call-to-string fn x))
unless (and (string= s "5.00e-1") (string= s s2))
collect (list x s s2)))
nil)
(deftest format.e.12
(let ((fn (formatter "~7,2@e")))
(loop for x in '(1/2 0.5s0 0.5f0 0.5d0 0.5l0)
for type in '(single-float short-float single-float
double-float long-float)
for s = (let ((*read-default-float-format* type))
(format nil "~7,2@e" x))
for s2 = (let ((*read-default-float-format* type))
(formatter-call-to-string fn x))
unless (and (string= s "+5.00e-1") (string= s s2))
collect (list x s s2)))
nil)
(deftest format.e.13
(let ((fn (formatter "~,2e")))
(loop for x in '(1/2 0.5s0 0.5f0 0.5d0 0.5l0)
for type in '(single-float short-float single-float
double-float long-float)
for s = (let ((*read-default-float-format* type))
(format nil "~,2e" x))
for s2 = (let ((*read-default-float-format* type))
(formatter-call-to-string fn x))
unless (and (string= s "5.00e-1") (string= s s2))
collect (list x s s2)))
nil)
(deftest format.e.14
(let ((fn (formatter "~,2e")))
(loop for x in '(1/2 0.5s0 0.5f0 0.5d0 0.5l0)
for type in '(single-float short-float single-float
double-float long-float)
for s = (let ((*read-default-float-format* type))
(format nil "~,2e" (- x)))
for s2 = (let ((*read-default-float-format* type))
(formatter-call-to-string fn (- x)))
unless (and (string= s "-5.00e-1") (string= s s2))
collect (list x s s2)))
nil)
;;; e parameter
(deftest format.e.15
(let ((fn (formatter "~,2,2e")))
(loop for x in '(1/2 0.5s0 0.5f0 0.5d0 0.5l0)
for type in '(single-float short-float single-float
double-float long-float)
for s = (let ((*read-default-float-format* type))
(format nil "~,2,2e" x))
for s2 = (let ((*read-default-float-format* type))
(formatter-call-to-string fn x))
unless (and (string= s "5.00e-01") (string= s s2))
collect (list x s s2)))
nil)
;;; k parameter
(deftest format.e.16
(let ((fn (formatter "~,2,,-1e")))
(loop for x in '(5 5.0s0 5.0f0 5.0d0 5.0l0)
for type in '(single-float short-float single-float
double-float long-float)
for s = (let ((*read-default-float-format* type))
(format nil "~,2,,-1e" x))
for s2 = (let ((*read-default-float-format* type))
(formatter-call-to-string fn x))
unless (and (string= s "0.05e+2") (string= s s2))
collect (list x s s2)))
nil)
(deftest format.e.17
(let ((fn (formatter "~,2,,0e")))
(loop for x in '(1/2 0.5s0 0.5f0 0.5d0 0.5l0)
for type in '(single-float short-float single-float
double-float long-float)
for s = (let ((*read-default-float-format* type))
(format nil "~,2,,0e" x))
for s2 = (let ((*read-default-float-format* type))
(formatter-call-to-string fn x))
unless (and (string= s "0.50e+0") (string= s s2))
collect (list x s s2)))
nil)
(deftest format.e.18
(let ((fn (formatter "~,2,,2e")))
(loop for x in '(1/20 0.05s0 0.05f0 0.05d0 0.05l0)
for type in '(single-float short-float single-float
double-float long-float)
for s = (let ((*read-default-float-format* type))
(format nil "~,2,,2e" x))
for s2 = (let ((*read-default-float-format* type))
(formatter-call-to-string fn x))
unless (and (string= s "50.0e-3") (string= s s2))
collect (list x s s2)))
nil)
(deftest format.e.19
(let ((fn (formatter "~,2,,3e")))
(loop for x in '(1/20 0.05s0 0.05f0 0.05d0 0.05l0)
for type in '(single-float short-float single-float
double-float long-float)
for s = (let ((*read-default-float-format* type))
(format nil "~,2,,3e" x))
for s2 = (let ((*read-default-float-format* type))
(formatter-call-to-string fn x))
unless (and (string= s "500.e-4") (string= s s2))
collect (list x s s2)))
nil)
(deftest format.e.20
(let ((fn (formatter "~,2,,4e")))
(loop for x in '(1/20 0.05s0 0.05f0 0.05d0 0.05l0)
for type in '(single-float short-float single-float
double-float long-float)
for s = (let ((*read-default-float-format* type))
(format nil "~,2,,4e" x))
for s2 = (let ((*read-default-float-format* type))
(formatter-call-to-string fn x))
unless (and (string= s "5000.e-5") (string= s s2))
collect (list x s s2)))
nil)
;;; overflow
(deftest format.e.21
(let ((fn (formatter "~6,2,,,'*e")))
(loop for x in '(1/2 0.5s0 0.5f0 0.5d0 0.5l0)
for type in '(single-float short-float single-float
double-float long-float)
for s = (let ((*read-default-float-format* type))
(format nil "~6,2,,,'*e" x))
for s2 = (let ((*read-default-float-format* type))
(formatter-call-to-string fn x))
unless (and (string= s "******") (string= s s2))
collect (list x s s2)))
nil)
(deftest format.e.22
(let ((fn (formatter "~7,2,,,'*e")))
(loop for x in '(1/2 0.5s0 0.5f0 0.5d0 0.5l0)
for type in '(single-float short-float single-float
double-float long-float)
for s = (let ((*read-default-float-format* type))
(format nil "~7,2,,,'*e" x))
for s2 = (let ((*read-default-float-format* type))
(formatter-call-to-string fn x))
unless (and (string= s "5.00e-1") (string= s s2))
collect (list x s s2)))
nil)
;;; padchar
(deftest format.e.23
(let ((fn (formatter "~10,1,,,e")))
(loop for x in '(1/2 0.5s0 0.5f0 0.5d0 0.5l0)
for type in '(single-float short-float single-float
double-float long-float)
for s = (let ((*read-default-float-format* type))
(format nil "~10,1,,,e" x))
for s2 = (let ((*read-default-float-format* type))
(formatter-call-to-string fn x))
unless (and (string= s " 5.0e-1") (string= s s2))
collect (list x s s2)))
nil)
(deftest format.e.24
(let ((fn (formatter "~10,1,,,,'*e")))
(loop for x in '(1/2 0.5s0 0.5f0 0.5d0 0.5l0)
for type in '(single-float short-float single-float
double-float long-float)
for s = (let ((*read-default-float-format* type))
(format nil "~10,1,,,,'*e" x))
for s2 = (let ((*read-default-float-format* type))
(formatter-call-to-string fn x))
unless (and (string= s "****5.0e-1") (string= s s2))
collect (list x s s2)))
nil)
;;; exponentchar
(deftest format.e.25
(let ((fn (formatter "~,2,,,,,'^e")))
(loop for x in '(1/2 0.5s0 0.5f0 0.5d0 0.5l0)
for type in '(single-float short-float single-float
double-float long-float)
for s = (let ((*read-default-float-format* type))
(format nil "~,2,,,,,'^e" x))
for s2 = (let ((*read-default-float-format* type))
(formatter-call-to-string fn x))
unless (and (string= s "5.00^-1") (string= s s2))
collect (list x s s2)))
nil)
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printer/format/load.lsp
+
1
−
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View file @
52d21992
...
...
@@ -22,6 +22,7 @@
;;; 22.3.3
(load "format/format-f.lsp")
(load "format/format-e.lsp")
;;; 22.3.4
(load "format/format-a.lsp")
...
...
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