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Length: 3072 (0xc00) Types: Ada Source Notes: 03_class, FILE, R1k_Segment, e3_tag, package Numeric_Primitives, seg_00ea08
└─⟦8527c1e9b⟧ Bits:30000544 8mm tape, Rational 1000, Arrival backup of disks in PAM's R1000 └─ ⟦5a81ac88f⟧ »Space Info Vol 1« └─⟦this⟧
with Floating_Characteristics; use Floating_Characteristics; package Numeric_Primitives is -- This may seem a little much but is put in this form to allow the -- same form to be used for a generic package -- If that is not needed, simple litterals could be substituted Zero : Float := Convert_To_Float (Integer (0)); One : Float := Convert_To_Float (Integer (1)); Two : Float := One + One; Three : Float := One + One + One; Half : Float := One / Two; -- The following "constants" are effectively deferred to -- the initialization part of the package body -- This is in order to make it possible to generalize the floating type -- If that capability is not desired, constants may be included here Pi : Float; One_Over_Pi : Float; Two_Over_Pi : Float; Pi_Over_Two : Float; Pi_Over_Three : Float; Pi_Over_Four : Float; Pi_Over_Six : Float; function Sign (X, Y : Float) return Float; -- Returns the value of X with the sign of Y function Max (X, Y : Float) return Float; -- Returns the algebraicly larger of X and Y function Min (X, Y : Float) return Float; -- Returns the algebraicly smaller of X and Y function Truncate (X : Float) return Float; -- Returns the floating value of the integer no larger than X -- AINT(X) function Round (X : Float) return Float; -- Returns the floating value nearest X -- AINTRND(X) function Ran return Float; -- This uses a portable algorithm and is included at this point -- Algorithms that presume unique machine hardware information -- should be initiated in FLOATING_CHARACTERISTICS end Numeric_Primitives;
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