2e45500e5a
2007-04-06 Thomas Quinot <quinot@adacore.com> * uintp.ads, uintp.adb (UI_Div_Rem): New subprogram, extending previous implementation of UI_Div. (UI_Div): Reimplement as a call to UI_Div_Rem. (UI_Rem): Take advantage of the fact that UI_Div_Rem provides the remainder, avoiding the cost of a multiplication and a subtraction. (UI_Modular_Inverse): Take advantage of the fact that UI_Div_Rem provides both quotient and remainder in a single computation. (UI_Modular_Exponentiation, UI_Modular_Inverse): New modular arithmetic functions for uint. (UI_Modular_Inverse): Add a note that the behaviour of this subprogram is undefined if the given n is not inversible. From-SVN: r123603 |
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