mirror of
https://github.com/UberGames/lilium-voyager.git
synced 2024-11-15 00:41:55 +00:00
487 lines
14 KiB
C
487 lines
14 KiB
C
/* Copyright (C) 2003 Jean-Marc Valin */
|
|
/**
|
|
@file fixed_debug.h
|
|
@brief Fixed-point operations with debugging
|
|
*/
|
|
/*
|
|
Redistribution and use in source and binary forms, with or without
|
|
modification, are permitted provided that the following conditions
|
|
are met:
|
|
|
|
- Redistributions of source code must retain the above copyright
|
|
notice, this list of conditions and the following disclaimer.
|
|
|
|
- Redistributions in binary form must reproduce the above copyright
|
|
notice, this list of conditions and the following disclaimer in the
|
|
documentation and/or other materials provided with the distribution.
|
|
|
|
- Neither the name of the Xiph.org Foundation nor the names of its
|
|
contributors may be used to endorse or promote products derived from
|
|
this software without specific prior written permission.
|
|
|
|
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
|
|
CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
|
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
|
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
|
|
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
|
|
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
|
|
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
|
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef FIXED_DEBUG_H
|
|
#define FIXED_DEBUG_H
|
|
|
|
#include <stdio.h>
|
|
|
|
extern long long spx_mips;
|
|
#define MIPS_INC spx_mips++,
|
|
|
|
#define QCONST16(x,bits) ((spx_word16_t)(.5+(x)*(((spx_word32_t)1)<<(bits))))
|
|
#define QCONST32(x,bits) ((spx_word32_t)(.5+(x)*(((spx_word32_t)1)<<(bits))))
|
|
|
|
|
|
#define VERIFY_SHORT(x) ((x)<=32767&&(x)>=-32768)
|
|
#define VERIFY_INT(x) ((x)<=2147483647LL&&(x)>=-2147483648LL)
|
|
|
|
static inline short NEG16(int x)
|
|
{
|
|
int res;
|
|
if (!VERIFY_SHORT(x))
|
|
{
|
|
fprintf (stderr, "NEG16: input is not short: %d\n", (int)x);
|
|
}
|
|
res = -x;
|
|
if (!VERIFY_SHORT(res))
|
|
fprintf (stderr, "NEG16: output is not short: %d\n", (int)res);
|
|
spx_mips++;
|
|
return res;
|
|
}
|
|
static inline int NEG32(long long x)
|
|
{
|
|
long long res;
|
|
if (!VERIFY_INT(x))
|
|
{
|
|
fprintf (stderr, "NEG16: input is not int: %d\n", (int)x);
|
|
}
|
|
res = -x;
|
|
if (!VERIFY_INT(res))
|
|
fprintf (stderr, "NEG16: output is not int: %d\n", (int)res);
|
|
spx_mips++;
|
|
return res;
|
|
}
|
|
|
|
#define EXTRACT16(x) _EXTRACT16(x, __FILE__, __LINE__)
|
|
static inline short _EXTRACT16(int x, char *file, int line)
|
|
{
|
|
int res;
|
|
if (!VERIFY_SHORT(x))
|
|
{
|
|
fprintf (stderr, "EXTRACT16: input is not short: %d in %s: line %d\n", x, file, line);
|
|
}
|
|
res = x;
|
|
spx_mips++;
|
|
return res;
|
|
}
|
|
|
|
#define EXTEND32(x) _EXTEND32(x, __FILE__, __LINE__)
|
|
static inline int _EXTEND32(int x, char *file, int line)
|
|
{
|
|
int res;
|
|
if (!VERIFY_SHORT(x))
|
|
{
|
|
fprintf (stderr, "EXTEND32: input is not short: %d in %s: line %d\n", x, file, line);
|
|
}
|
|
res = x;
|
|
spx_mips++;
|
|
return res;
|
|
}
|
|
|
|
#define SHR16(a, shift) _SHR16(a, shift, __FILE__, __LINE__)
|
|
static inline short _SHR16(int a, int shift, char *file, int line)
|
|
{
|
|
int res;
|
|
if (!VERIFY_SHORT(a) || !VERIFY_SHORT(shift))
|
|
{
|
|
fprintf (stderr, "SHR16: inputs are not short: %d >> %d in %s: line %d\n", a, shift, file, line);
|
|
}
|
|
res = a>>shift;
|
|
if (!VERIFY_SHORT(res))
|
|
fprintf (stderr, "SHR16: output is not short: %d in %s: line %d\n", res, file, line);
|
|
spx_mips++;
|
|
return res;
|
|
}
|
|
#define SHL16(a, shift) _SHL16(a, shift, __FILE__, __LINE__)
|
|
static inline short _SHL16(int a, int shift, char *file, int line)
|
|
{
|
|
int res;
|
|
if (!VERIFY_SHORT(a) || !VERIFY_SHORT(shift))
|
|
{
|
|
fprintf (stderr, "SHL16: inputs are not short: %d %d in %s: line %d\n", a, shift, file, line);
|
|
}
|
|
res = a<<shift;
|
|
if (!VERIFY_SHORT(res))
|
|
fprintf (stderr, "SHL16: output is not short: %d in %s: line %d\n", res, file, line);
|
|
spx_mips++;
|
|
return res;
|
|
}
|
|
|
|
static inline int SHR32(long long a, int shift)
|
|
{
|
|
long long res;
|
|
if (!VERIFY_INT(a) || !VERIFY_SHORT(shift))
|
|
{
|
|
fprintf (stderr, "SHR32: inputs are not int: %d %d\n", (int)a, shift);
|
|
}
|
|
res = a>>shift;
|
|
if (!VERIFY_INT(res))
|
|
{
|
|
fprintf (stderr, "SHR32: output is not int: %d\n", (int)res);
|
|
}
|
|
spx_mips++;
|
|
return res;
|
|
}
|
|
static inline int SHL32(long long a, int shift)
|
|
{
|
|
long long res;
|
|
if (!VERIFY_INT(a) || !VERIFY_SHORT(shift))
|
|
{
|
|
fprintf (stderr, "SHL32: inputs are not int: %d %d\n", (int)a, shift);
|
|
}
|
|
res = a<<shift;
|
|
if (!VERIFY_INT(res))
|
|
{
|
|
fprintf (stderr, "SHL32: output is not int: %d\n", (int)res);
|
|
}
|
|
spx_mips++;
|
|
return res;
|
|
}
|
|
|
|
#define PSHR16(a,shift) (SHR16(ADD16((a),((1<<((shift))>>1))),shift))
|
|
#define PSHR32(a,shift) (SHR32(ADD32((a),((1<<((shift))>>1))),shift))
|
|
#define VSHR32(a, shift) (((shift)>0) ? SHR32(a, shift) : SHL32(a, -(shift)))
|
|
|
|
#define SATURATE16(x,a) (((x)>(a) ? (a) : (x)<-(a) ? -(a) : (x)))
|
|
#define SATURATE32(x,a) (((x)>(a) ? (a) : (x)<-(a) ? -(a) : (x)))
|
|
|
|
//#define SHR(a,shift) ((a) >> (shift))
|
|
//#define SHL(a,shift) ((a) << (shift))
|
|
|
|
#define ADD16(a, b) _ADD16(a, b, __FILE__, __LINE__)
|
|
static inline short _ADD16(int a, int b, char *file, int line)
|
|
{
|
|
int res;
|
|
if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b))
|
|
{
|
|
fprintf (stderr, "ADD16: inputs are not short: %d %d in %s: line %d\n", a, b, file, line);
|
|
}
|
|
res = a+b;
|
|
if (!VERIFY_SHORT(res))
|
|
{
|
|
fprintf (stderr, "ADD16: output is not short: %d+%d=%d in %s: line %d\n", a,b,res, file, line);
|
|
}
|
|
spx_mips++;
|
|
return res;
|
|
}
|
|
|
|
#define SUB16(a, b) _SUB16(a, b, __FILE__, __LINE__)
|
|
static inline short _SUB16(int a, int b, char *file, int line)
|
|
{
|
|
int res;
|
|
if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b))
|
|
{
|
|
fprintf (stderr, "SUB16: inputs are not short: %d %d in %s: line %d\n", a, b, file, line);
|
|
}
|
|
res = a-b;
|
|
if (!VERIFY_SHORT(res))
|
|
fprintf (stderr, "SUB16: output is not short: %d in %s: line %d\n", res, file, line);
|
|
spx_mips++;
|
|
return res;
|
|
}
|
|
|
|
#define ADD32(a, b) _ADD32(a, b, __FILE__, __LINE__)
|
|
static inline int _ADD32(long long a, long long b, char *file, int line)
|
|
{
|
|
long long res;
|
|
if (!VERIFY_INT(a) || !VERIFY_INT(b))
|
|
{
|
|
fprintf (stderr, "ADD32: inputs are not int: %d %d in %s: line %d\n", (int)a, (int)b, file, line);
|
|
}
|
|
res = a+b;
|
|
if (!VERIFY_INT(res))
|
|
{
|
|
fprintf (stderr, "ADD32: output is not int: %d in %s: line %d\n", (int)res, file, line);
|
|
}
|
|
spx_mips++;
|
|
return res;
|
|
}
|
|
|
|
static inline int SUB32(long long a, long long b)
|
|
{
|
|
long long res;
|
|
if (!VERIFY_INT(a) || !VERIFY_INT(b))
|
|
{
|
|
fprintf (stderr, "SUB32: inputs are not int: %d %d\n", (int)a, (int)b);
|
|
}
|
|
res = a-b;
|
|
if (!VERIFY_INT(res))
|
|
fprintf (stderr, "SUB32: output is not int: %d\n", (int)res);
|
|
spx_mips++;
|
|
return res;
|
|
}
|
|
|
|
#define ADD64(a,b) (MIPS_INC(a)+(b))
|
|
|
|
/* result fits in 16 bits */
|
|
static inline short MULT16_16_16(int a, int b)
|
|
{
|
|
int res;
|
|
if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b))
|
|
{
|
|
fprintf (stderr, "MULT16_16_16: inputs are not short: %d %d\n", a, b);
|
|
}
|
|
res = a*b;
|
|
if (!VERIFY_SHORT(res))
|
|
fprintf (stderr, "MULT16_16_16: output is not short: %d\n", res);
|
|
spx_mips++;
|
|
return res;
|
|
}
|
|
|
|
#define MULT16_16(a, b) _MULT16_16(a, b, __FILE__, __LINE__)
|
|
static inline int _MULT16_16(int a, int b, char *file, int line)
|
|
{
|
|
long long res;
|
|
if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b))
|
|
{
|
|
fprintf (stderr, "MULT16_16: inputs are not short: %d %d in %s: line %d\n", a, b, file, line);
|
|
}
|
|
res = ((long long)a)*b;
|
|
if (!VERIFY_INT(res))
|
|
fprintf (stderr, "MULT16_16: output is not int: %d in %s: line %d\n", (int)res, file, line);
|
|
spx_mips++;
|
|
return res;
|
|
}
|
|
|
|
#define MAC16_16(c,a,b) (spx_mips--,ADD32((c),MULT16_16((a),(b))))
|
|
#define MAC16_16_Q11(c,a,b) (EXTRACT16(ADD16((c),EXTRACT16(SHR32(MULT16_16((a),(b)),11)))))
|
|
#define MAC16_16_Q13(c,a,b) (EXTRACT16(ADD16((c),EXTRACT16(SHR32(MULT16_16((a),(b)),13)))))
|
|
#define MAC16_16_P13(c,a,b) (EXTRACT16(ADD32((c),SHR32(ADD32(4096,MULT16_16((a),(b))),13))))
|
|
|
|
|
|
#define MULT16_32_QX(a, b, Q) _MULT16_32_QX(a, b, Q, __FILE__, __LINE__)
|
|
static inline int _MULT16_32_QX(int a, long long b, int Q, char *file, int line)
|
|
{
|
|
long long res;
|
|
if (!VERIFY_SHORT(a) || !VERIFY_INT(b))
|
|
{
|
|
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);
|
|
}
|
|
if (ABS32(b)>=(1<<(15+Q)))
|
|
fprintf (stderr, "MULT16_32_Q%d: second operand too large: %d %d in %s: line %d\n", Q, (int)a, (int)b, file, line);
|
|
res = (((long long)a)*(long long)b) >> Q;
|
|
if (!VERIFY_INT(res))
|
|
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);
|
|
spx_mips+=5;
|
|
return res;
|
|
}
|
|
|
|
static inline int MULT16_32_PX(int a, long long b, int Q)
|
|
{
|
|
long long res;
|
|
if (!VERIFY_SHORT(a) || !VERIFY_INT(b))
|
|
{
|
|
fprintf (stderr, "MULT16_32_P%d: inputs are not short+int: %d %d\n", Q, (int)a, (int)b);
|
|
}
|
|
if (ABS32(b)>=(1<<(15+Q)))
|
|
fprintf (stderr, "MULT16_32_Q%d: second operand too large: %d %d\n", Q, (int)a, (int)b);
|
|
res = ((((long long)a)*(long long)b) + ((1<<Q)>>1))>> Q;
|
|
if (!VERIFY_INT(res))
|
|
fprintf (stderr, "MULT16_32_P%d: output is not int: %d*%d=%d\n", Q, (int)a, (int)b,(int)res);
|
|
spx_mips+=5;
|
|
return res;
|
|
}
|
|
|
|
|
|
#define MULT16_32_Q11(a,b) MULT16_32_QX(a,b,11)
|
|
#define MAC16_32_Q11(c,a,b) ADD32((c),MULT16_32_Q11((a),(b)))
|
|
#define MULT16_32_Q12(a,b) MULT16_32_QX(a,b,12)
|
|
#define MULT16_32_Q13(a,b) MULT16_32_QX(a,b,13)
|
|
#define MULT16_32_Q14(a,b) MULT16_32_QX(a,b,14)
|
|
#define MULT16_32_Q15(a,b) MULT16_32_QX(a,b,15)
|
|
#define MULT16_32_P15(a,b) MULT16_32_PX(a,b,15)
|
|
#define MAC16_32_Q15(c,a,b) ADD32((c),MULT16_32_Q15((a),(b)))
|
|
|
|
static inline int SATURATE(int a, int b)
|
|
{
|
|
if (a>b)
|
|
a=b;
|
|
if (a<-b)
|
|
a = -b;
|
|
return a;
|
|
}
|
|
|
|
static inline int MULT16_16_Q11_32(int a, int b)
|
|
{
|
|
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
|