25 lines
822 B
Plaintext
25 lines
822 B
Plaintext
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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; ;
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; Copyright 1988,2001 Sanchez Computer Associates, Inc. ;
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; ;
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; This source code contains the intellectual property ;
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; of its copyright holder(s), and is made available ;
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; under a license. If you do not know the terms of ;
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; the license, please stop and do not read further. ;
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; ;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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%SQROOT ;GT.M %SQROOT utility - square root function
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;invoke at INT for interactive output to current device
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;invoke ^%SQROOT with %X to return the square root %Y
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;invoke at FUNC as an extrinsic function
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;
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s %Y=$$FUNC($g(%X))
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q
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INT n %X,%Y
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f r !,"The square root of: ",%X q:+%X'=%X w ?35," is: ",$$FUNC(%X),!
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q
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FUNC(x)
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q:+x=0 0
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n i s i="" s:x<0 x=-x,i="i"
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q i_(x**.5)
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