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52 lines
1.5 KiB
52 lines
1.5 KiB
/*
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floatingPointMacros.h
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Copyright (C) 2011 Belledonne Communications, Grenoble, France
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Author : Johan Pascal
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef FLOATINGPOINTMACROS_H
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#define FLOATINGPOINTMACROS_H
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#define EXTEND32(x) (x)
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/* shifts */
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#define SHR(a,shift) (a)
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#define SHL(a,shift) (a)
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#define PSHR(a,shift) (a)
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/* avoid overflows: nothing to do for floats */
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#define SATURATE(x,a) (x)
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/* add and sub */
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#define ADD16(a,b) ((a)+(b))
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#define SUB16(a,b) ((a)-(b))
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#define ADD32(a,b) ((a)+(b))
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#define SUB32(a,b) ((a)-(b))
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/* Multiplications/Accumulations */
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#define MULT16_16(a,b) ((word32_t)(a)*(word32_t)(b))
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#define MAC16_16(c,a,b) ((c)+MULT16_16((a),(b)))
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#define MULT16_32(a,b) ((a)*(b))
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#define MAC16_32(c,a,b) ((c)+(a)*(b))
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/* Q12 operations */
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#define MULT16_32_Q12(a,b) MULT16_32(a,b)
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#define MAC16_32_Q12(c,a,b) MAC16_32(c,a,b)
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#endif /* ifndef FLOATINGPOINTMACROS_H */
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