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.inc extension for PHP, Pascal, Assembly, SQL, C++, HTML and SourcePawn
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91
samples/SourcePawn/fixed.inc
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91
samples/SourcePawn/fixed.inc
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/* Fixed point arithmetic
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*
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* (c) Copyright 1998-2011, ITB CompuPhase
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* This file is provided as is (no warranties).
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*/
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#pragma library Fixed
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const fround_method: {
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fround_round = 0,
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fround_floor,
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fround_ceil,
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fround_tozero,
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fround_unbiased
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}
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native Fixed:fixed(value);
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native Fixed:strfixed(const string[]);
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native Fixed:fmul(Fixed:oper1, Fixed:oper2);
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native Fixed:fdiv(Fixed:dividend, Fixed:divisor);
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native Fixed:ffract(Fixed:value);
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native fround(Fixed:value, fround_method:method=fround_round);
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native Fixed:fpower(Fixed:value, exponent);
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native Fixed:fsqroot(Fixed:value);
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native Fixed:fabs(Fixed:value);
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#pragma rational Fixed(3)
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/* user defined operators */
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native Fixed:operator*(Fixed:oper1, Fixed:oper2) = fmul;
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native Fixed:operator/(Fixed:oper1, Fixed:oper2) = fdiv;
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native Fixed:operator=(oper) = fixed;
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stock Fixed:operator++(Fixed:oper)
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return oper + fixed(1);
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stock Fixed:operator--(Fixed:oper)
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return oper - fixed(1);
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stock Fixed:operator*(Fixed:oper1, oper2)
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return Fixed: (_:oper1 * oper2); /* "*" is commutative */
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stock Fixed:operator/(Fixed:oper1, oper2)
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return oper1 / fixed(oper2);
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stock Fixed:operator/(oper1, Fixed:oper2)
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return fdiv(fixed(oper1), oper2);
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stock Fixed:operator+(Fixed:oper1, oper2)
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return oper1 + fixed(oper2); /* "+" is commutative */
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stock Fixed:operator-(Fixed:oper1, oper2)
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return oper1 - fixed(oper2);
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stock Fixed:operator-(oper1, Fixed:oper2)
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return fixed(oper1) - oper2;
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stock bool:operator>(Fixed:oper1, oper2)
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return oper1 > fixed(oper2);
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stock bool:operator>(oper1, Fixed:oper2)
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return fixed(oper1) > oper2;
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stock bool:operator>=(Fixed:oper1, oper2)
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return oper1 >= fixed(oper2);
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stock bool:operator>=(oper1, Fixed:oper2)
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return fixed(oper1) >= oper2;
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stock bool:operator<(Fixed:oper1, oper2)
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return oper1 < fixed(oper2);
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stock bool:operator<(oper1, Fixed:oper2)
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return fixed(oper1) < oper2;
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stock bool:operator<=(Fixed:oper1, oper2)
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return oper1 <= fixed(oper2);
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stock bool:operator<=(oper1, Fixed:oper2)
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return fixed(oper1) <= oper2;
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stock bool:operator==(Fixed:oper1, oper2) /* "==" is commutative */
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return oper1 == fixed(oper2);
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stock bool:operator!=(Fixed:oper1, oper2) /* "!=" is commutative */
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return oper1 != fixed(oper2);
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/* forbidden operations */
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forward operator%(Fixed:oper1, Fixed:oper2);
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forward operator%(Fixed:oper1, oper2);
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forward operator%(oper1, Fixed:oper2);
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