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asarium
9a46e9b55e
This converts the fix conversion macros to constexpr functions which should have the same runtime effects with the added type safety.
40 lines
709 B
C
40 lines
709 B
C
/*
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* Copyright (C) Volition, Inc. 1999. All rights reserved.
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*
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* All source code herein is the property of Volition, Inc. You may not sell
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* or otherwise commercially exploit the source or things you created based on the
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* source.
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*
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*/
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#ifndef _FIX_H
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#define _FIX_H
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#define F1_0 65536
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#define f1_0 65536
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fix fixmul(fix a, fix b);
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fix fixdiv(fix a, fix b);
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fix fixmuldiv(fix a, fix b, fix c);
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// Needed for compatibility with MSVC 2013
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#if SCP_COMPILER_CXX_CONSTEXPR
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#define CONST_EXPR constexpr
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#else
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#define CONST_EXPR inline
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#endif
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CONST_EXPR int f2i(fix a) {
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return static_cast<int>(a >> 16);
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}
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CONST_EXPR fix i2f(int a) {
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return static_cast<fix>(a << 16);
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}
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#undef CONST_EXPR
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#endif
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