You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
487 lines
14 KiB
487 lines
14 KiB
/* 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),((EXTEND32(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)>=(EXTEND32(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)>=(EXTEND32(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) + ((EXTEND32(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
|
|
|