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;; Test that fdlibm routines signals exceptions as expected.
(defpackage :fdlibm-tests
(:use :cl :lisp-unit))
(in-package "FDLIBM-TESTS")
(defparameter *qnan*
(kernel::with-float-traps-masked (:invalid)
(* 0 ext:double-float-positive-infinity))
"Some randon quiet MaN value")
(defparameter *snan*
(kernel:make-double-float #x7ff00000 1)
"A randon signaling MaN value")
(define-test %cosh.exceptions
(:tag :fdlibm)
(assert-error 'floating-point-overflow
(kernel:%cosh 1000d0))
(assert-error 'floating-point-overflow
(kernel:%cosh -1000d0))
(assert-error 'floating-point-invalid-operation
(kernel:%cosh *snan*))
(assert-true (ext:float-nan-p (kernel:%cosh *qnan*)))
;; Same, but with overflow's masked
(kernel::with-float-traps-masked (:overflow)
(assert-equal ext:double-float-positive-infinity
(kernel:%cosh 1000d0))
(assert-equal ext:double-float-positive-infinity
(kernel:%cosh -1000d0))
(assert-equal ext:double-float-positive-infinity
(kernel:%cosh ext:double-float-positive-infinity))
(assert-equal ext:double-float-positive-infinity
(kernel:%cosh ext:double-float-negative-infinity)))
;; Test NaN
(kernel::with-float-traps-masked (:invalid)
(assert-true (ext:float-nan-p (kernel:%cosh *snan*)))))
(define-test %sinh.exceptions
(:tag :fdlibm)
(assert-error 'floating-point-overflow
(kernel:%sinh 1000d0))
(assert-error 'floating-point-overflow
(kernel:%sinh -1000d0))
(assert-error 'floating-point-invalid-operation
(kernel:%sinh *snan*))
(assert-true (ext:float-nan-p (kernel:%sinh *qnan*)))
;; Same, but with overflow's masked
(kernel::with-float-traps-masked (:overflow)
(assert-equal ext:double-float-positive-infinity
(kernel:%sinh 1000d0))
(assert-equal ext:double-float-negative-infinity
(kernel:%sinh -1000d0))
(assert-equal ext:double-float-positive-infinity
(kernel:%sinh ext:double-float-positive-infinity))
(assert-equal ext:double-float-negative-infinity
(kernel:%sinh ext:double-float-negative-infinity)))
;; Test NaN
(kernel::with-float-traps-masked (:invalid)
(assert-true (ext:float-nan-p (kernel:%sinh *qnan*)))))
(define-test %tanh.exceptions
(:tag :fdlibm)
(assert-true (ext:float-nan-p (kernel:%tanh *qnan*)))
(assert-error 'floating-point-invalid-operation
(kernel:%tanh *snan*))
(kernel::with-float-traps-masked (:invalid)
(assert-true (ext:float-nan-p (kernel:%tanh *snan*)))))
(define-test %acosh.exceptions
(:tag :fdlibm)
(assert-error 'floating-point-overflow
(kernel:%acosh ext:double-float-positive-infinity))
(assert-error 'floating-point-invalid-operation
(kernel:%acosh 0d0))
(kernel::with-float-traps-masked (:overflow)
(assert-equal ext:double-float-positive-infinity
(kernel:%acosh ext:double-float-positive-infinity)))
(kernel::with-float-traps-masked (:invalid)
(assert-true (ext:float-nan-p (kernel:%acosh 0d0)))))
(define-test %asinh.exceptions
(:tag :fdlibm)
(assert-error 'floating-point-invalid-operation
(kernel:%asinh *snan*))
(assert-error 'floating-point-overflow
(kernel:%asinh ext:double-float-positive-infinity))
(assert-error 'floating-point-overflow
(kernel:%asinh ext:double-float-negative-infinity))
(assert-true (ext:float-nan-p (kernel:%asinh *qnan*)))
(kernel::with-float-traps-masked (:overflow)
(assert-equal ext:double-float-positive-infinity
(kernel:%asinh ext:double-float-positive-infinity))
(assert-error ext:double-float-negative-infinity
(kernel:%asinh ext:double-float-negative-infinity)))
(kernel::with-float-traps-masked (:invalid)
(assert-true (ext:float-nan-p (kernel:%asinh *snan*)))))
(define-test %atanh.exceptions
(:tag :fdlibm)
(assert-error 'floating-point-invalid-operation
(kernel:%atanh 2d0))
(assert-error 'floating-point-invalid-operation
(kernel:%atanh -2d0))
(assert-error 'division-by-zero
(kernel:%atanh 1d0))
(assert-error 'division-by-zero
(kernel:%atanh -1d0))
(kernel::with-float-traps-masked (:invalid)
(assert-true (ext:float-nan-p (kernel:%atanh 2d0)))
(assert-true (ext:float-nan-p (kernel:%atanh -2d0))))
(kernel::with-float-traps-masked (:divide-by-zero)
(assert-equal ext:double-float-positive-infinity
(kernel:%atanh 1d0))
(assert-equal ext:double-float-negative-infinity
(kernel:%atanh -1d0))))
(define-test %expm1.exceptions
(:tag :fdlibm)
(assert-error 'floating-point-overflow
(kernel:%expm1 709.8d0))
(assert-equal ext:double-float-positive-infinity
(kernel:%expm1 ext:double-float-positive-infinity))
(assert-error 'floating-point-invalid-operation
(kernel:%expm1 *snan*))
(assert-true (ext:float-nan-p (kernel:%expm1 *qnan*)))
(kernel::with-float-traps-masked (:overflow)
(assert-equal ext:double-float-positive-infinity
(kernel:%expm1 709.8d0))
)
(kernel::with-float-traps-masked (:invalid)
(assert-true (ext::float-nan-p (kernel:%expm1 *snan*)))))
(define-test %log1p.exceptions
(:tag :fdlibm)
(assert-error 'floating-point-invalid-operation
(kernel:%log1p -2d0))
(assert-error 'floating-point-overflow
(kernel:%log1p -1d0))
(assert-true (ext:float-nan-p (kernel:%log1p *qnan*)))
(kernel::with-float-traps-masked (:overflow)
(assert-equal ext:double-float-negative-infinity
(kernel:%log1p -1d0)))
(kernel::with-float-traps-masked (:invalid)
(assert-true (ext:float-nan-p (kernel:%log1p *snan*)))))
(define-test %exp.exceptions
(:tag :fdlibm)
(assert-error 'floating-point-overflow
(kernel:%exp 710d0))
(assert-true (ext:float-nan-p (kernel:%exp *qnan*)))
(assert-error 'floating-point-invalid-operation
(kernel:%exp *snan*))
(assert-equal ext:double-float-positive-infinity
(kernel:%exp ext:double-float-positive-infinity))
(assert-equal 0d0
(kernel:%exp -1000d0))
(kernel::with-float-traps-masked (:overflow)
(assert-equal ext:double-float-positive-infinity
(kernel:%exp 710d0)))
(let ((modes (ext:get-floating-point-modes)))
(unwind-protect
(progn
(ext:set-floating-point-modes :traps '(:underflow))
(assert-error 'floating-point-underflow
(kernel:%exp -1000d0)))
(apply #'ext:set-floating-point-modes modes))))
(define-test %log.exception
(:tag :fdlibm)
(assert-error 'division-by-zero
(kernel:%log 0d0))
(assert-error 'division-by-zero
(kernel:%log -0d0))
(assert-error 'floating-point-invalid-operation
(kernel:%log -1d0))
(assert-error 'floating-point-invalid-operation
(kernel:%log *snan*))
(assert-true (ext:float-nan-p (kernel:%log *qnan*)))
(kernel::with-float-traps-masked (:divide-by-zero)
(assert-equal ext:double-float-negative-infinity
(kernel:%log 0d0))
(assert-equal ext:double-float-negative-infinity
(kernel:%log -0d0)))
(kernel::with-float-traps-masked (:invalid)
(assert-true (ext:float-nan-p (kernel:%log -1d0)))
(assert-true (ext:float-nan-p (kernel:%log *snan*)))))
(define-test %acos.exceptions
(:tag :fdlibm)
(assert-error 'floating-point-invalid-operation
(kernel:%acos 2d0))
(assert-error 'floating-point-invalid-operation
(kernel:%acos -2d0))
(kernel::with-float-traps-masked (:invalid)
(assert-true (ext:float-nan-p (kernel:%acos 2d0)))
(assert-true (ext:float-nan-p (kernel:%acos -2d0)))))
(define-test %asin.exceptions
(:tag :fdlibm)
(assert-error 'floating-point-invalid-operation
(kernel:%asin 2d0))
(assert-error 'floating-point-invalid-operation
(kernel:%asin -2d0))
(kernel::with-float-traps-masked (:invalid)
(assert-true (ext:float-nan-p (kernel:%asin 2d0)))
(assert-true (ext:float-nan-p (kernel:%asin -2d0)))))
(define-test %atan.exceptions
(:tag :fdlibm)
(assert-error 'floating-point-invalid-operation
(kernel:%atan *snan*))
(assert-true (ext:float-nan-p (kernel:%atan *qnan*)))
(kernel::with-float-traps-masked (:invalid)
(assert-true (ext:float-nan-p (kernel:%atan *snan*)))))
(define-test %log10.exceptions
(:tag :fdlibm)
;; %log10(2^k) = k
(dotimes (k 23)
(assert-equalp k
(kernel:%log10 (float (expt 10 k) 1d0))))
(assert-error 'division-by-zero
(kernel:%log10 0d0))
(assert-error 'floating-point-invalid-operation
(kernel:%log10 -1d0))
(assert-true (ext:float-nan-p (kernel:%log10 *qnan*)))
(assert-equal ext:double-float-positive-infinity
(kernel:%log10 ext:double-float-positive-infinity))
(kernel::with-float-traps-masked (:divide-by-zero)
(assert-equal ext:double-float-negative-infinity
(kernel:%log10 0d0))
(assert-equal ext:double-float-negative-infinity
(kernel:%log10 -0d0)))
(kernel::with-float-traps-masked (:invalid)
(assert-true (ext:float-nan-p (kernel:%log10 -1d0)))))
(define-test %scalbn.exceptions
(:tag :fdlibm)
(let ((modes (ext:get-floating-point-modes)))
(unwind-protect
(progn
(ext:set-floating-point-modes :traps '(:underflow))
(assert-error 'floating-point-underflow
(kernel:%scalbn 1d0 -51000)))
(apply #'ext:set-floating-point-modes modes)))
(assert-true 0d0
(kernel:%scalbn 1d0 -51000))
(assert-true -0d0
(kernel:%scalbn -1d0 -51000))
(assert-error 'floating-point-overflow
(kernel:%scalbn ext:double-float-positive-infinity 1))
(assert-error 'floating-point-invalid-operation
(kernel:%scalbn *snan* 1))
(assert-error 'floating-point-overflow
(kernel:%scalbn most-positive-double-float 2))
(assert-error 'floating-point-overflow
(kernel:%scalbn most-negative-double-float 2))
(kernel::with-float-traps-masked (:overflow)
(assert-equal ext:double-float-positive-infinity
(kernel:%scalbn ext:double-float-positive-infinity 1))
(assert-equal ext:double-float-positive-infinity
(kernel:%scalbn most-positive-double-float 2))
(assert-equal ext:double-float-negative-infinity
(kernel:%scalbn most-negative-double-float 2))))
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