NumberSystem.MostSignificantDigit

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/*
Number-System
NumberSystem.MostSignificantDigit

[int MSD]=NumberSystem.MostSignificantDigit(real N, int systemBase);


Get the MSD of a real number $0 \ge N<1$ under the systemBase-based number system.

*/
//-------------------------------------------------------------------
// examples
[v]=NumberSystem.Radixes(15);
Print(v);
[v]=NumberSystem.RadixFromIndex(5,14);
Print(v);
[v]=NumberSystem.RadixToIndex("7",18);
Print(v);
[v]=NumberSystem.LeastSignificantDigit(100,19);
Print(v);
[v]=NumberSystem.PositiveIntegerToMantissa(100,19);
Print(v);
[v]=NumberSystem.MantissaToPositiveInteger(int(2,3,4),19);
Print(v);
[v]=NumberSystem.MostSignificantDigit( 0.1, 16);
Print(v);
[v]=NumberSystem.PositiveDecimalToMantissa(0.1,3,16);
Print(v);
[v]=NumberSystem.MantissaToPositiveDecimal(int(2,3,4),16);
Print(v);
[v]=NumberSystem.PositiveNumberToMantissa(2.4,4,16);
Print(v);
[v]=NumberSystem.MantissaToPositiveNumber(int(2,3,-1,1,2,3),16);
Print(v);

//-------------------------------------------------------------------
// result