Record BigDecimal

Unit

bigdecimalmath_template

Declaration

type BigDecimal = record

Description

Big Decimal type

.
Consisting of an bcd integer times a decimal exponent ([integer digits] * 10 ˆ (DIGITS_PER_ELEMENT * exponent))
It can be used like a normal floating point number. E.g:

var bd: BigDecimal;
bd := 12.34;
bd := bd * 1000 - 42;  // bd = 12298
bd := bd / 7.0;        // bd = 1756.85714285714286
bd := StrToBigDecimal('123456789012345678901234567890123456789') + 1; // bd = 123456789012345678901234567890123456790

It has an arbitrary precision (up to 18 billion digits), and can be converted to a decimal string without loss of precision, since it stores decimal digits (up to 9 digits / array element, depending on compiler define).

Overview

Fields

	digits: array of BigDecimalBin;
	exponent: integer;
	signed: ByteBool;
	lastDigitHidden: ByteBool;

Description

Fields

	digits: array of BigDecimalBin;

	exponent: integer;

	signed: ByteBool;

	lastDigitHidden: ByteBool;

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