488 lines
14 KiB
C++
488 lines
14 KiB
C++
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/* Copyright (C) 2003 Jean-Marc Valin */
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/**
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@file fixed_debug.h
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@brief Fixed-point operations with debugging
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*/
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/*
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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- Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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- Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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- Neither the name of the Xiph.org Foundation nor the names of its
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contributors may be used to endorse or promote products derived from
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this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
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CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef FIXED_DEBUG_H
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#define FIXED_DEBUG_H
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#include <stdio.h>
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extern long long spx_mips;
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#define MIPS_INC spx_mips++,
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#define QCONST16(x,bits) ((spx_word16_t)(.5+(x)*(((spx_word32_t)1)<<(bits))))
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#define QCONST32(x,bits) ((spx_word32_t)(.5+(x)*(((spx_word32_t)1)<<(bits))))
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#define VERIFY_SHORT(x) ((x)<=32767&&(x)>=-32768)
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#define VERIFY_INT(x) ((x)<=2147483647LL&&(x)>=-2147483648LL)
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static inline short NEG16(int x)
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{
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int res;
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if (!VERIFY_SHORT(x))
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{
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fprintf (stderr, "NEG16: input is not short: %d\n", (int)x);
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}
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res = -x;
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if (!VERIFY_SHORT(res))
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fprintf (stderr, "NEG16: output is not short: %d\n", (int)res);
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spx_mips++;
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return res;
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}
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static inline int NEG32(long long x)
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{
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long long res;
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if (!VERIFY_INT(x))
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{
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fprintf (stderr, "NEG16: input is not int: %d\n", (int)x);
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}
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res = -x;
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if (!VERIFY_INT(res))
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fprintf (stderr, "NEG16: output is not int: %d\n", (int)res);
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spx_mips++;
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return res;
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}
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#define EXTRACT16(x) _EXTRACT16(x, __FILE__, __LINE__)
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static inline short _EXTRACT16(int x, char *file, int line)
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{
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int res;
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if (!VERIFY_SHORT(x))
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{
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fprintf (stderr, "EXTRACT16: input is not short: %d in %s: line %d\n", x, file, line);
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}
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res = x;
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spx_mips++;
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return res;
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}
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#define EXTEND32(x) _EXTEND32(x, __FILE__, __LINE__)
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static inline int _EXTEND32(int x, char *file, int line)
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{
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int res;
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if (!VERIFY_SHORT(x))
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{
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fprintf (stderr, "EXTEND32: input is not short: %d in %s: line %d\n", x, file, line);
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}
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res = x;
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spx_mips++;
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return res;
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}
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#define SHR16(a, shift) _SHR16(a, shift, __FILE__, __LINE__)
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static inline short _SHR16(int a, int shift, char *file, int line)
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{
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int res;
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if (!VERIFY_SHORT(a) || !VERIFY_SHORT(shift))
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{
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fprintf (stderr, "SHR16: inputs are not short: %d >> %d in %s: line %d\n", a, shift, file, line);
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}
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res = a>>shift;
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if (!VERIFY_SHORT(res))
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fprintf (stderr, "SHR16: output is not short: %d in %s: line %d\n", res, file, line);
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spx_mips++;
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return res;
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}
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#define SHL16(a, shift) _SHL16(a, shift, __FILE__, __LINE__)
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static inline short _SHL16(int a, int shift, char *file, int line)
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{
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int res;
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if (!VERIFY_SHORT(a) || !VERIFY_SHORT(shift))
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{
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fprintf (stderr, "SHL16: inputs are not short: %d %d in %s: line %d\n", a, shift, file, line);
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}
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res = a<<shift;
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if (!VERIFY_SHORT(res))
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fprintf (stderr, "SHL16: output is not short: %d in %s: line %d\n", res, file, line);
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spx_mips++;
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return res;
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}
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static inline int SHR32(long long a, int shift)
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{
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long long res;
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if (!VERIFY_INT(a) || !VERIFY_SHORT(shift))
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{
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fprintf (stderr, "SHR32: inputs are not int: %d %d\n", (int)a, shift);
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}
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res = a>>shift;
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if (!VERIFY_INT(res))
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{
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fprintf (stderr, "SHR32: output is not int: %d\n", (int)res);
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}
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spx_mips++;
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return res;
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}
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static inline int SHL32(long long a, int shift)
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{
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long long res;
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if (!VERIFY_INT(a) || !VERIFY_SHORT(shift))
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{
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fprintf (stderr, "SHL32: inputs are not int: %d %d\n", (int)a, shift);
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}
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res = a<<shift;
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if (!VERIFY_INT(res))
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{
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fprintf (stderr, "SHL32: output is not int: %d\n", (int)res);
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}
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spx_mips++;
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return res;
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}
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#define PSHR16(a,shift) (SHR16(ADD16((a),((1<<((shift))>>1))),shift))
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#define PSHR32(a,shift) (SHR32(ADD32((a),((EXTEND32(1)<<((shift))>>1))),shift))
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#define VSHR32(a, shift) (((shift)>0) ? SHR32(a, shift) : SHL32(a, -(shift)))
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#define SATURATE16(x,a) (((x)>(a) ? (a) : (x)<-(a) ? -(a) : (x)))
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#define SATURATE32(x,a) (((x)>(a) ? (a) : (x)<-(a) ? -(a) : (x)))
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//#define SHR(a,shift) ((a) >> (shift))
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//#define SHL(a,shift) ((a) << (shift))
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#define ADD16(a, b) _ADD16(a, b, __FILE__, __LINE__)
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static inline short _ADD16(int a, int b, char *file, int line)
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{
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int res;
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if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b))
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{
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fprintf (stderr, "ADD16: inputs are not short: %d %d in %s: line %d\n", a, b, file, line);
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}
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res = a+b;
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if (!VERIFY_SHORT(res))
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{
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fprintf (stderr, "ADD16: output is not short: %d+%d=%d in %s: line %d\n", a,b,res, file, line);
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}
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spx_mips++;
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return res;
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}
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#define SUB16(a, b) _SUB16(a, b, __FILE__, __LINE__)
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static inline short _SUB16(int a, int b, char *file, int line)
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{
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int res;
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if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b))
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{
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fprintf (stderr, "SUB16: inputs are not short: %d %d in %s: line %d\n", a, b, file, line);
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}
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res = a-b;
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if (!VERIFY_SHORT(res))
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fprintf (stderr, "SUB16: output is not short: %d in %s: line %d\n", res, file, line);
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spx_mips++;
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return res;
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}
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#define ADD32(a, b) _ADD32(a, b, __FILE__, __LINE__)
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static inline int _ADD32(long long a, long long b, char *file, int line)
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{
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long long res;
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if (!VERIFY_INT(a) || !VERIFY_INT(b))
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{
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fprintf (stderr, "ADD32: inputs are not int: %d %d in %s: line %d\n", (int)a, (int)b, file, line);
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}
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res = a+b;
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if (!VERIFY_INT(res))
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{
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fprintf (stderr, "ADD32: output is not int: %d in %s: line %d\n", (int)res, file, line);
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}
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spx_mips++;
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return res;
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}
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static inline int SUB32(long long a, long long b)
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{
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long long res;
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if (!VERIFY_INT(a) || !VERIFY_INT(b))
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{
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fprintf (stderr, "SUB32: inputs are not int: %d %d\n", (int)a, (int)b);
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}
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res = a-b;
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if (!VERIFY_INT(res))
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fprintf (stderr, "SUB32: output is not int: %d\n", (int)res);
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spx_mips++;
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return res;
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}
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#define ADD64(a,b) (MIPS_INC(a)+(b))
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/* result fits in 16 bits */
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static inline short MULT16_16_16(int a, int b)
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{
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int res;
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if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b))
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{
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fprintf (stderr, "MULT16_16_16: inputs are not short: %d %d\n", a, b);
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}
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res = a*b;
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if (!VERIFY_SHORT(res))
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fprintf (stderr, "MULT16_16_16: output is not short: %d\n", res);
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spx_mips++;
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return res;
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}
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#define MULT16_16(a, b) _MULT16_16(a, b, __FILE__, __LINE__)
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static inline int _MULT16_16(int a, int b, char *file, int line)
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{
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long long res;
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if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b))
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{
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fprintf (stderr, "MULT16_16: inputs are not short: %d %d in %s: line %d\n", a, b, file, line);
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}
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res = ((long long)a)*b;
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if (!VERIFY_INT(res))
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fprintf (stderr, "MULT16_16: output is not int: %d in %s: line %d\n", (int)res, file, line);
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spx_mips++;
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return res;
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}
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#define MAC16_16(c,a,b) (spx_mips--,ADD32((c),MULT16_16((a),(b))))
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#define MAC16_16_Q11(c,a,b) (EXTRACT16(ADD16((c),EXTRACT16(SHR32(MULT16_16((a),(b)),11)))))
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#define MAC16_16_Q13(c,a,b) (EXTRACT16(ADD16((c),EXTRACT16(SHR32(MULT16_16((a),(b)),13)))))
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#define MAC16_16_P13(c,a,b) (EXTRACT16(ADD32((c),SHR32(ADD32(4096,MULT16_16((a),(b))),13))))
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#define MULT16_32_QX(a, b, Q) _MULT16_32_QX(a, b, Q, __FILE__, __LINE__)
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static inline int _MULT16_32_QX(int a, long long b, int Q, char *file, int line)
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{
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long long res;
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if (!VERIFY_SHORT(a) || !VERIFY_INT(b))
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{
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fprintf (stderr, "MULT16_32_Q%d: inputs are not short+int: %d %d in %s: line %d\n", Q, (int)a, (int)b, file, line);
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}
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if (ABS32(b)>=(EXTEND32(1)<<(15+Q)))
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fprintf (stderr, "MULT16_32_Q%d: second operand too large: %d %d in %s: line %d\n", Q, (int)a, (int)b, file, line);
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res = (((long long)a)*(long long)b) >> Q;
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if (!VERIFY_INT(res))
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fprintf (stderr, "MULT16_32_Q%d: output is not int: %d*%d=%d in %s: line %d\n", Q, (int)a, (int)b,(int)res, file, line);
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spx_mips+=5;
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return res;
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}
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static inline int MULT16_32_PX(int a, long long b, int Q)
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{
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long long res;
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if (!VERIFY_SHORT(a) || !VERIFY_INT(b))
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{
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fprintf (stderr, "MULT16_32_P%d: inputs are not short+int: %d %d\n", Q, (int)a, (int)b);
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}
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if (ABS32(b)>=(EXTEND32(1)<<(15+Q)))
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fprintf (stderr, "MULT16_32_Q%d: second operand too large: %d %d\n", Q, (int)a, (int)b);
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res = ((((long long)a)*(long long)b) + ((EXTEND32(1)<<Q)>>1))>> Q;
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if (!VERIFY_INT(res))
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fprintf (stderr, "MULT16_32_P%d: output is not int: %d*%d=%d\n", Q, (int)a, (int)b,(int)res);
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spx_mips+=5;
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return res;
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}
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#define MULT16_32_Q11(a,b) MULT16_32_QX(a,b,11)
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#define MAC16_32_Q11(c,a,b) ADD32((c),MULT16_32_Q11((a),(b)))
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#define MULT16_32_Q12(a,b) MULT16_32_QX(a,b,12)
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#define MULT16_32_Q13(a,b) MULT16_32_QX(a,b,13)
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#define MULT16_32_Q14(a,b) MULT16_32_QX(a,b,14)
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#define MULT16_32_Q15(a,b) MULT16_32_QX(a,b,15)
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#define MULT16_32_P15(a,b) MULT16_32_PX(a,b,15)
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#define MAC16_32_Q15(c,a,b) ADD32((c),MULT16_32_Q15((a),(b)))
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static inline int SATURATE(int a, int b)
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{
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if (a>b)
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a=b;
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if (a<-b)
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a = -b;
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return a;
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}
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static inline int MULT16_16_Q11_32(int a, int b)
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|
|
{
|
||
|
|
long long res;
|
||
|
|
if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b))
|
||
|
|
{
|
||
|
|
fprintf (stderr, "MULT16_16_Q11: inputs are not short: %d %d\n", a, b);
|
||
|
|
}
|
||
|
|
res = ((long long)a)*b;
|
||
|
|
res >>= 11;
|
||
|
|
if (!VERIFY_INT(res))
|
||
|
|
fprintf (stderr, "MULT16_16_Q11: output is not short: %d*%d=%d\n", (int)a, (int)b, (int)res);
|
||
|
|
spx_mips+=3;
|
||
|
|
return res;
|
||
|
|
}
|
||
|
|
static inline short MULT16_16_Q13(int a, int b)
|
||
|
|
{
|
||
|
|
long long res;
|
||
|
|
if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b))
|
||
|
|
{
|
||
|
|
fprintf (stderr, "MULT16_16_Q13: inputs are not short: %d %d\n", a, b);
|
||
|
|
}
|
||
|
|
res = ((long long)a)*b;
|
||
|
|
res >>= 13;
|
||
|
|
if (!VERIFY_SHORT(res))
|
||
|
|
fprintf (stderr, "MULT16_16_Q13: output is not short: %d*%d=%d\n", a, b, (int)res);
|
||
|
|
spx_mips+=3;
|
||
|
|
return res;
|
||
|
|
}
|
||
|
|
static inline short MULT16_16_Q14(int a, int b)
|
||
|
|
{
|
||
|
|
long long res;
|
||
|
|
if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b))
|
||
|
|
{
|
||
|
|
fprintf (stderr, "MULT16_16_Q14: inputs are not short: %d %d\n", a, b);
|
||
|
|
}
|
||
|
|
res = ((long long)a)*b;
|
||
|
|
res >>= 14;
|
||
|
|
if (!VERIFY_SHORT(res))
|
||
|
|
fprintf (stderr, "MULT16_16_Q14: output is not short: %d\n", (int)res);
|
||
|
|
spx_mips+=3;
|
||
|
|
return res;
|
||
|
|
}
|
||
|
|
static inline short MULT16_16_Q15(int a, int b)
|
||
|
|
{
|
||
|
|
long long res;
|
||
|
|
if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b))
|
||
|
|
{
|
||
|
|
fprintf (stderr, "MULT16_16_Q15: inputs are not short: %d %d\n", a, b);
|
||
|
|
}
|
||
|
|
res = ((long long)a)*b;
|
||
|
|
res >>= 15;
|
||
|
|
if (!VERIFY_SHORT(res))
|
||
|
|
{
|
||
|
|
fprintf (stderr, "MULT16_16_Q15: output is not short: %d\n", (int)res);
|
||
|
|
}
|
||
|
|
spx_mips+=3;
|
||
|
|
return res;
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline short MULT16_16_P13(int a, int b)
|
||
|
|
{
|
||
|
|
long long res;
|
||
|
|
if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b))
|
||
|
|
{
|
||
|
|
fprintf (stderr, "MULT16_16_P13: inputs are not short: %d %d\n", a, b);
|
||
|
|
}
|
||
|
|
res = ((long long)a)*b;
|
||
|
|
res += 4096;
|
||
|
|
if (!VERIFY_INT(res))
|
||
|
|
fprintf (stderr, "MULT16_16_P13: overflow: %d*%d=%d\n", a, b, (int)res);
|
||
|
|
res >>= 13;
|
||
|
|
if (!VERIFY_SHORT(res))
|
||
|
|
fprintf (stderr, "MULT16_16_P13: output is not short: %d*%d=%d\n", a, b, (int)res);
|
||
|
|
spx_mips+=4;
|
||
|
|
return res;
|
||
|
|
}
|
||
|
|
static inline short MULT16_16_P14(int a, int b)
|
||
|
|
{
|
||
|
|
long long res;
|
||
|
|
if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b))
|
||
|
|
{
|
||
|
|
fprintf (stderr, "MULT16_16_P14: inputs are not short: %d %d\n", a, b);
|
||
|
|
}
|
||
|
|
res = ((long long)a)*b;
|
||
|
|
res += 8192;
|
||
|
|
if (!VERIFY_INT(res))
|
||
|
|
fprintf (stderr, "MULT16_16_P14: overflow: %d*%d=%d\n", a, b, (int)res);
|
||
|
|
res >>= 14;
|
||
|
|
if (!VERIFY_SHORT(res))
|
||
|
|
fprintf (stderr, "MULT16_16_P14: output is not short: %d*%d=%d\n", a, b, (int)res);
|
||
|
|
spx_mips+=4;
|
||
|
|
return res;
|
||
|
|
}
|
||
|
|
static inline short MULT16_16_P15(int a, int b)
|
||
|
|
{
|
||
|
|
long long res;
|
||
|
|
if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b))
|
||
|
|
{
|
||
|
|
fprintf (stderr, "MULT16_16_P15: inputs are not short: %d %d\n", a, b);
|
||
|
|
}
|
||
|
|
res = ((long long)a)*b;
|
||
|
|
res += 16384;
|
||
|
|
if (!VERIFY_INT(res))
|
||
|
|
fprintf (stderr, "MULT16_16_P15: overflow: %d*%d=%d\n", a, b, (int)res);
|
||
|
|
res >>= 15;
|
||
|
|
if (!VERIFY_SHORT(res))
|
||
|
|
fprintf (stderr, "MULT16_16_P15: output is not short: %d*%d=%d\n", a, b, (int)res);
|
||
|
|
spx_mips+=4;
|
||
|
|
return res;
|
||
|
|
}
|
||
|
|
|
||
|
|
#define DIV32_16(a, b) _DIV32_16(a, b, __FILE__, __LINE__)
|
||
|
|
|
||
|
|
static inline int _DIV32_16(long long a, long long b, char *file, int line)
|
||
|
|
{
|
||
|
|
long long res;
|
||
|
|
if (b==0)
|
||
|
|
{
|
||
|
|
fprintf(stderr, "DIV32_16: divide by zero: %d/%d in %s: line %d\n", (int)a, (int)b, file, line);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
if (!VERIFY_INT(a) || !VERIFY_SHORT(b))
|
||
|
|
{
|
||
|
|
fprintf (stderr, "DIV32_16: inputs are not int/short: %d %d in %s: line %d\n", (int)a, (int)b, file, line);
|
||
|
|
}
|
||
|
|
res = a/b;
|
||
|
|
if (!VERIFY_SHORT(res))
|
||
|
|
{
|
||
|
|
fprintf (stderr, "DIV32_16: output is not short: %d / %d = %d in %s: line %d\n", (int)a,(int)b,(int)res, file, line);
|
||
|
|
if (res>32767)
|
||
|
|
res = 32767;
|
||
|
|
if (res<-32768)
|
||
|
|
res = -32768;
|
||
|
|
}
|
||
|
|
spx_mips+=20;
|
||
|
|
return res;
|
||
|
|
}
|
||
|
|
|
||
|
|
#define DIV32(a, b) _DIV32(a, b, __FILE__, __LINE__)
|
||
|
|
static inline int _DIV32(long long a, long long b, char *file, int line)
|
||
|
|
{
|
||
|
|
long long res;
|
||
|
|
if (b==0)
|
||
|
|
{
|
||
|
|
fprintf(stderr, "DIV32: divide by zero: %d/%d in %s: line %d\n", (int)a, (int)b, file, line);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!VERIFY_INT(a) || !VERIFY_INT(b))
|
||
|
|
{
|
||
|
|
fprintf (stderr, "DIV32: inputs are not int/short: %d %d in %s: line %d\n", (int)a, (int)b, file, line);
|
||
|
|
}
|
||
|
|
res = a/b;
|
||
|
|
if (!VERIFY_INT(res))
|
||
|
|
fprintf (stderr, "DIV32: output is not int: %d in %s: line %d\n", (int)res, file, line);
|
||
|
|
spx_mips+=36;
|
||
|
|
return res;
|
||
|
|
}
|
||
|
|
#define PDIV32(a,b) DIV32(ADD32((a),(b)>>1),b)
|
||
|
|
#define PDIV32_16(a,b) DIV32_16(ADD32((a),(b)>>1),b)
|
||
|
|
|
||
|
|
#endif
|