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rallyunlimited-engine/code/opus-1.2.1/celt/fixed_debug.h
CuteNoiRe bc1882c73e MiTech 2.0
2024-02-24 18:10:00 +03:00

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/* Copyright (C) 2003-2008 Jean-Marc Valin
Copyright (C) 2007-2012 Xiph.Org Foundation */
/**
@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.
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 COPYRIGHT OWNER
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>
#include "opus_defines.h"
#ifdef CELT_C
OPUS_EXPORT opus_int64 celt_mips=0;
#else
extern opus_int64 celt_mips;
#endif
#define MULT16_16SU(a,b) ((opus_val32)(opus_val16)(a)*(opus_val32)(opus_uint16)(b))
#define MULT32_32_Q31(a,b) ADD32(ADD32(SHL32(MULT16_16(SHR32((a),16),SHR((b),16)),1), SHR32(MULT16_16SU(SHR32((a),16),((b)&0x0000ffff)),15)), SHR32(MULT16_16SU(SHR32((b),16),((a)&0x0000ffff)),15))
/** 16x32 multiplication, followed by a 16-bit shift right. Results fits in 32 bits */
#define MULT16_32_Q16(a,b) ADD32(MULT16_16((a),SHR32((b),16)), SHR32(MULT16_16SU((a),((b)&0x0000ffff)),16))
#define MULT16_32_P16(a,b) MULT16_32_PX(a,b,16)
#define QCONST16(x,bits) ((opus_val16)(.5+(x)*(((opus_val32)1)<<(bits))))
#define QCONST32(x,bits) ((opus_val32)(.5+(x)*(((opus_val32)1)<<(bits))))
#define VERIFY_SHORT(x) ((x)<=32767&&(x)>=-32768)
#define VERIFY_INT(x) ((x)<=2147483647LL&&(x)>=-2147483648LL)
#define VERIFY_UINT(x) ((x)<=(2147483647LLU<<1))
#define SHR(a,b) SHR32(a,b)
#define PSHR(a,b) PSHR32(a,b)
/** Add two 32-bit values, ignore any overflows */
#define ADD32_ovflw(a,b) (celt_mips+=2,(opus_val32)((opus_uint32)(a)+(opus_uint32)(b)))
/** Subtract two 32-bit values, ignore any overflows */
#define SUB32_ovflw(a,b) (celt_mips+=2,(opus_val32)((opus_uint32)(a)-(opus_uint32)(b)))
/* Avoid MSVC warning C4146: unary minus operator applied to unsigned type */
/** Negate 32-bit value, ignore any overflows */
#define NEG32_ovflw(a) (celt_mips+=2,(opus_val32)(0-(opus_uint32)(a)))
static OPUS_INLINE short NEG16(int x)
{
int res;
if (!VERIFY_SHORT(x))
{
fprintf (stderr, "NEG16: input is not short: %d\n", (int)x);
#ifdef FIXED_DEBUG_ASSERT
celt_assert(0);
#endif
}
res = -x;
if (!VERIFY_SHORT(res))
{
fprintf (stderr, "NEG16: output is not short: %d\n", (int)res);
#ifdef FIXED_DEBUG_ASSERT
celt_assert(0);
#endif
}
celt_mips++;
return res;
}
static OPUS_INLINE int NEG32(opus_int64 x)
{
opus_int64 res;
if (!VERIFY_INT(x))
{
fprintf (stderr, "NEG16: input is not int: %d\n", (int)x);
#ifdef FIXED_DEBUG_ASSERT
celt_assert(0);
#endif
}
res = -x;
if (!VERIFY_INT(res))
{
fprintf (stderr, "NEG16: output is not int: %d\n", (int)res);
#ifdef FIXED_DEBUG_ASSERT
celt_assert(0);
#endif
}
celt_mips+=2;
return res;
}
#define EXTRACT16(x) EXTRACT16_(x, __FILE__, __LINE__)
static OPUS_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);
#ifdef FIXED_DEBUG_ASSERT
celt_assert(0);
#endif
}
res = x;
celt_mips++;
return res;
}
#define EXTEND32(x) EXTEND32_(x, __FILE__, __LINE__)
static OPUS_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);
#ifdef FIXED_DEBUG_ASSERT
celt_assert(0);
#endif
}
res = x;
celt_mips++;
return res;
}
#define SHR16(a, shift) SHR16_(a, shift, __FILE__, __LINE__)
static OPUS_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);
#ifdef FIXED_DEBUG_ASSERT
celt_assert(0);
#endif
}
res = a>>shift;
if (!VERIFY_SHORT(res))
{
fprintf (stderr, "SHR16: output is not short: %d in %s: line %d\n", res, file, line);
#ifdef FIXED_DEBUG_ASSERT
celt_assert(0);
#endif
}
celt_mips++;
return res;
}
#define SHL16(a, shift) SHL16_(a, shift, __FILE__, __LINE__)
static OPUS_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);
#ifdef FIXED_DEBUG_ASSERT
celt_assert(0);
#endif
}
res = a<<shift;
if (!VERIFY_SHORT(res))
{
fprintf (stderr, "SHL16: output is not short: %d in %s: line %d\n", res, file, line);
#ifdef FIXED_DEBUG_ASSERT
celt_assert(0);
#endif
}
celt_mips++;
return res;
}
static OPUS_INLINE int SHR32(opus_int64 a, int shift)
{
opus_int64 res;
if (!VERIFY_INT(a) || !VERIFY_SHORT(shift))
{
fprintf (stderr, "SHR32: inputs are not int: %d %d\n", (int)a, shift);
#ifdef FIXED_DEBUG_ASSERT
celt_assert(0);
#endif
}
res = a>>shift;
if (!VERIFY_INT(res))
{
fprintf (stderr, "SHR32: output is not int: %d\n", (int)res);
#ifdef FIXED_DEBUG_ASSERT
celt_assert(0);
#endif
}
celt_mips+=2;
return res;
}
#define SHL32(a, shift) SHL32_(a, shift, __FILE__, __LINE__)
static OPUS_INLINE int SHL32_(opus_int64 a, int shift, char *file, int line)
{
opus_int64 res;
if (!VERIFY_INT(a) || !VERIFY_SHORT(shift))
{
fprintf (stderr, "SHL32: inputs are not int: %lld %d in %s: line %d\n", a, shift, file, line);
#ifdef FIXED_DEBUG_ASSERT
celt_assert(0);
#endif
}
res = a<<shift;
if (!VERIFY_INT(res))
{
fprintf (stderr, "SHL32: output is not int: %lld<<%d = %lld in %s: line %d\n", a, shift, res, file, line);
#ifdef FIXED_DEBUG_ASSERT
celt_assert(0);
#endif
}
celt_mips+=2;
return res;
}
#define PSHR32(a,shift) (celt_mips--,SHR32(ADD32((a),(((opus_val32)(1)<<((shift))>>1))),shift))
#define VSHR32(a, shift) (((shift)>0) ? SHR32(a, shift) : SHL32(a, -(shift)))
#define ROUND16(x,a) (celt_mips--,EXTRACT16(PSHR32((x),(a))))
#define SROUND16(x,a) (celt_mips--,EXTRACT16(SATURATE(PSHR32(x,a), 32767)));
#define HALF16(x) (SHR16(x,1))
#define HALF32(x) (SHR32(x,1))
#define ADD16(a, b) ADD16_(a, b, __FILE__, __LINE__)
static OPUS_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);
#ifdef FIXED_DEBUG_ASSERT
celt_assert(0);
#endif
}
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);
#ifdef FIXED_DEBUG_ASSERT
celt_assert(0);
#endif
}
celt_mips++;
return res;
}
#define SUB16(a, b) SUB16_(a, b, __FILE__, __LINE__)
static OPUS_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);
#ifdef FIXED_DEBUG_ASSERT
celt_assert(0);
#endif
}
res = a-b;
if (!VERIFY_SHORT(res))
{
fprintf (stderr, "SUB16: output is not short: %d in %s: line %d\n", res, file, line);
#ifdef FIXED_DEBUG_ASSERT
celt_assert(0);
#endif
}
celt_mips++;
return res;
}
#define ADD32(a, b) ADD32_(a, b, __FILE__, __LINE__)
static OPUS_INLINE int ADD32_(opus_int64 a, opus_int64 b, char *file, int line)
{
opus_int64 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);
#ifdef FIXED_DEBUG_ASSERT
celt_assert(0);
#endif
}
res = a+b;
if (!VERIFY_INT(res))
{
fprintf (stderr, "ADD32: output is not int: %d in %s: line %d\n", (int)res, file, line);
#ifdef FIXED_DEBUG_ASSERT
celt_assert(0);
#endif
}
celt_mips+=2;
return res;
}
#define SUB32(a, b) SUB32_(a, b, __FILE__, __LINE__)
static OPUS_INLINE int SUB32_(opus_int64 a, opus_int64 b, char *file, int line)
{
opus_int64 res;
if (!VERIFY_INT(a) || !VERIFY_INT(b))
{
fprintf (stderr, "SUB32: inputs are not int: %d %d in %s: line %d\n", (int)a, (int)b, file, line);
#ifdef FIXED_DEBUG_ASSERT
celt_assert(0);
#endif
}
res = a-b;
if (!VERIFY_INT(res))
{
fprintf (stderr, "SUB32: output is not int: %d in %s: line %d\n", (int)res, file, line);
#ifdef FIXED_DEBUG_ASSERT
celt_assert(0);
#endif
}
celt_mips+=2;
return res;
}
#undef UADD32
#define UADD32(a, b) UADD32_(a, b, __FILE__, __LINE__)
static OPUS_INLINE unsigned int UADD32_(opus_uint64 a, opus_uint64 b, char *file, int line)
{
opus_uint64 res;
if (!VERIFY_UINT(a) || !VERIFY_UINT(b))
{
fprintf (stderr, "UADD32: inputs are not uint32: %llu %llu in %s: line %d\n", a, b, file, line);
#ifdef FIXED_DEBUG_ASSERT
celt_assert(0);
#endif
}
res = a+b;
if (!VERIFY_UINT(res))
{
fprintf (stderr, "UADD32: output is not uint32: %llu in %s: line %d\n", res, file, line);
#ifdef FIXED_DEBUG_ASSERT
celt_assert(0);
#endif
}
celt_mips+=2;
return res;
}
#undef USUB32
#define USUB32(a, b) USUB32_(a, b, __FILE__, __LINE__)
static OPUS_INLINE unsigned int USUB32_(opus_uint64 a, opus_uint64 b, char *file, int line)
{
opus_uint64 res;
if (!VERIFY_UINT(a) || !VERIFY_UINT(b))
{
fprintf (stderr, "USUB32: inputs are not uint32: %llu %llu in %s: line %d\n", a, b, file, line);
#ifdef FIXED_DEBUG_ASSERT
celt_assert(0);
#endif
}
if (a<b)
{
fprintf (stderr, "USUB32: inputs underflow: %llu < %llu in %s: line %d\n", a, b, file, line);
#ifdef FIXED_DEBUG_ASSERT
celt_assert(0);
#endif
}
res = a-b;
if (!VERIFY_UINT(res))
{
fprintf (stderr, "USUB32: output is not uint32: %llu - %llu = %llu in %s: line %d\n", a, b, res, file, line);
#ifdef FIXED_DEBUG_ASSERT
celt_assert(0);
#endif
}
celt_mips+=2;
return res;
}
/* result fits in 16 bits */
static OPUS_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);
#ifdef FIXED_DEBUG_ASSERT
celt_assert(0);
#endif
}
res = a*b;
if (!VERIFY_SHORT(res))
{
fprintf (stderr, "MULT16_16_16: output is not short: %d\n", res);
#ifdef FIXED_DEBUG_ASSERT
celt_assert(0);
#endif
}
celt_mips++;
return res;
}
#define MULT16_16(a, b) MULT16_16_(a, b, __FILE__, __LINE__)
static OPUS_INLINE int MULT16_16_(int a, int b, char *file, int line)
{
opus_int64 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);
#ifdef FIXED_DEBUG_ASSERT
celt_assert(0);
#endif
}
res = ((opus_int64)a)*b;
if (!VERIFY_INT(res))
{
fprintf (stderr, "MULT16_16: output is not int: %d in %s: line %d\n", (int)res, file, line);
#ifdef FIXED_DEBUG_ASSERT
celt_assert(0);
#endif
}
celt_mips++;
return res;
}
#define MAC16_16(c,a,b) (celt_mips-=2,ADD32((c),MULT16_16((a),(b))))
#define MULT16_32_QX(a, b, Q) MULT16_32_QX_(a, b, Q, __FILE__, __LINE__)
static OPUS_INLINE int MULT16_32_QX_(int a, opus_int64 b, int Q, char *file, int line)
{
opus_int64 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);
#ifdef FIXED_DEBUG_ASSERT
celt_assert(0);
#endif
}
if (ABS32(b)>=((opus_val32)(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);
#ifdef FIXED_DEBUG_ASSERT
celt_assert(0);
#endif
}
res = (((opus_int64)a)*(opus_int64)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);
#ifdef FIXED_DEBUG_ASSERT
celt_assert(0);
#endif
}
if (Q==15)
celt_mips+=3;
else
celt_mips+=4;
return res;
}
#define MULT16_32_PX(a, b, Q) MULT16_32_PX_(a, b, Q, __FILE__, __LINE__)
static OPUS_INLINE int MULT16_32_PX_(int a, opus_int64 b, int Q, char *file, int line)
{
opus_int64 res;
if (!VERIFY_SHORT(a) || !VERIFY_INT(b))
{
fprintf (stderr, "MULT16_32_P%d: inputs are not short+int: %d %d in %s: line %d\n\n", Q, (int)a, (int)b, file, line);
#ifdef FIXED_DEBUG_ASSERT
celt_assert(0);
#endif
}
if (ABS32(b)>=((opus_int64)(1)<<(15+Q)))
{
fprintf (stderr, "MULT16_32_Q%d: second operand too large: %d %d in %s: line %d\n\n", Q, (int)a, (int)b,file, line);
#ifdef FIXED_DEBUG_ASSERT
celt_assert(0);
#endif
}
res = ((((opus_int64)a)*(opus_int64)b) + (((opus_val32)(1)<<Q)>>1))>> Q;
if (!VERIFY_INT(res))
{
fprintf (stderr, "MULT16_32_P%d: output is not int: %d*%d=%d in %s: line %d\n\n", Q, (int)a, (int)b,(int)res, file, line);
#ifdef FIXED_DEBUG_ASSERT
celt_assert(0);
#endif
}
if (Q==15)
celt_mips+=4;
else
celt_mips+=5;
return res;
}
#define MULT16_32_Q15(a,b) MULT16_32_QX(a,b,15)
#define MAC16_32_Q15(c,a,b) (celt_mips-=2,ADD32((c),MULT16_32_Q15((a),(b))))
#define MAC16_32_Q16(c,a,b) (celt_mips-=2,ADD32((c),MULT16_32_Q16((a),(b))))
static OPUS_INLINE int SATURATE(int a, int b)
{
if (a>b)
a=b;
if (a<-b)
a = -b;
celt_mips+=3;
return a;
}
static OPUS_INLINE opus_int16 SATURATE16(opus_int32 a)
{
celt_mips+=3;
if (a>32767)
return 32767;
else if (a<-32768)
return -32768;
else return a;
}
static OPUS_INLINE int MULT16_16_Q11_32(int a, int b)
{
opus_int64 res;
if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b))
{
fprintf (stderr, "MULT16_16_Q11: inputs are not short: %d %d\n", a, b);
#ifdef FIXED_DEBUG_ASSERT
celt_assert(0);
#endif
}
res = ((opus_int64)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);
#ifdef FIXED_DEBUG_ASSERT
celt_assert(0);
#endif
}
celt_mips+=3;
return res;
}
static OPUS_INLINE short MULT16_16_Q13(int a, int b)
{
opus_int64 res;
if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b))
{
fprintf (stderr, "MULT16_16_Q13: inputs are not short: %d %d\n", a, b);
#ifdef FIXED_DEBUG_ASSERT
celt_assert(0);
#endif
}
res = ((opus_int64)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);
#ifdef FIXED_DEBUG_ASSERT
celt_assert(0);
#endif
}
celt_mips+=3;
return res;
}
static OPUS_INLINE short MULT16_16_Q14(int a, int b)
{
opus_int64 res;
if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b))
{
fprintf (stderr, "MULT16_16_Q14: inputs are not short: %d %d\n", a, b);
#ifdef FIXED_DEBUG_ASSERT
celt_assert(0);
#endif
}
res = ((opus_int64)a)*b;
res >>= 14;
if (!VERIFY_SHORT(res))
{
fprintf (stderr, "MULT16_16_Q14: output is not short: %d\n", (int)res);
#ifdef FIXED_DEBUG_ASSERT
celt_assert(0);
#endif
}
celt_mips+=3;
return res;
}
#define MULT16_16_Q15(a, b) MULT16_16_Q15_(a, b, __FILE__, __LINE__)
static OPUS_INLINE short MULT16_16_Q15_(int a, int b, char *file, int line)
{
opus_int64 res;
if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b))
{
fprintf (stderr, "MULT16_16_Q15: inputs are not short: %d %d in %s: line %d\n", a, b, file, line);
#ifdef FIXED_DEBUG_ASSERT
celt_assert(0);
#endif
}
res = ((opus_int64)a)*b;
res >>= 15;
if (!VERIFY_SHORT(res))
{
fprintf (stderr, "MULT16_16_Q15: output is not short: %d in %s: line %d\n", (int)res, file, line);
#ifdef FIXED_DEBUG_ASSERT
celt_assert(0);
#endif
}
celt_mips+=1;
return res;
}
static OPUS_INLINE short MULT16_16_P13(int a, int b)
{
opus_int64 res;
if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b))
{
fprintf (stderr, "MULT16_16_P13: inputs are not short: %d %d\n", a, b);
#ifdef FIXED_DEBUG_ASSERT
celt_assert(0);
#endif
}
res = ((opus_int64)a)*b;
res += 4096;
if (!VERIFY_INT(res))
{
fprintf (stderr, "MULT16_16_P13: overflow: %d*%d=%d\n", a, b, (int)res);
#ifdef FIXED_DEBUG_ASSERT
celt_assert(0);
#endif
}
res >>= 13;
if (!VERIFY_SHORT(res))
{
fprintf (stderr, "MULT16_16_P13: output is not short: %d*%d=%d\n", a, b, (int)res);
#ifdef FIXED_DEBUG_ASSERT
celt_assert(0);
#endif
}
celt_mips+=4;
return res;
}
static OPUS_INLINE short MULT16_16_P14(int a, int b)
{
opus_int64 res;
if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b))
{
fprintf (stderr, "MULT16_16_P14: inputs are not short: %d %d\n", a, b);
#ifdef FIXED_DEBUG_ASSERT
celt_assert(0);
#endif
}
res = ((opus_int64)a)*b;
res += 8192;
if (!VERIFY_INT(res))
{
fprintf (stderr, "MULT16_16_P14: overflow: %d*%d=%d\n", a, b, (int)res);
#ifdef FIXED_DEBUG_ASSERT
celt_assert(0);
#endif
}
res >>= 14;
if (!VERIFY_SHORT(res))
{
fprintf (stderr, "MULT16_16_P14: output is not short: %d*%d=%d\n", a, b, (int)res);
#ifdef FIXED_DEBUG_ASSERT
celt_assert(0);
#endif
}
celt_mips+=4;
return res;
}
static OPUS_INLINE short MULT16_16_P15(int a, int b)
{
opus_int64 res;
if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b))
{
fprintf (stderr, "MULT16_16_P15: inputs are not short: %d %d\n", a, b);
#ifdef FIXED_DEBUG_ASSERT
celt_assert(0);
#endif
}
res = ((opus_int64)a)*b;
res += 16384;
if (!VERIFY_INT(res))
{
fprintf (stderr, "MULT16_16_P15: overflow: %d*%d=%d\n", a, b, (int)res);
#ifdef FIXED_DEBUG_ASSERT
celt_assert(0);
#endif
}
res >>= 15;
if (!VERIFY_SHORT(res))
{
fprintf (stderr, "MULT16_16_P15: output is not short: %d*%d=%d\n", a, b, (int)res);
#ifdef FIXED_DEBUG_ASSERT
celt_assert(0);
#endif
}
celt_mips+=2;
return res;
}
#define DIV32_16(a, b) DIV32_16_(a, b, __FILE__, __LINE__)
static OPUS_INLINE int DIV32_16_(opus_int64 a, opus_int64 b, char *file, int line)
{
opus_int64 res;
if (b==0)
{
fprintf(stderr, "DIV32_16: divide by zero: %d/%d in %s: line %d\n", (int)a, (int)b, file, line);
#ifdef FIXED_DEBUG_ASSERT
celt_assert(0);
#endif
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);
#ifdef FIXED_DEBUG_ASSERT
celt_assert(0);
#endif
}
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;
#ifdef FIXED_DEBUG_ASSERT
celt_assert(0);
#endif
}
celt_mips+=35;
return res;
}
#define DIV32(a, b) DIV32_(a, b, __FILE__, __LINE__)
static OPUS_INLINE int DIV32_(opus_int64 a, opus_int64 b, char *file, int line)
{
opus_int64 res;
if (b==0)
{
fprintf(stderr, "DIV32: divide by zero: %d/%d in %s: line %d\n", (int)a, (int)b, file, line);
#ifdef FIXED_DEBUG_ASSERT
celt_assert(0);
#endif
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);
#ifdef FIXED_DEBUG_ASSERT
celt_assert(0);
#endif
}
res = a/b;
if (!VERIFY_INT(res))
{
fprintf (stderr, "DIV32: output is not int: %d in %s: line %d\n", (int)res, file, line);
#ifdef FIXED_DEBUG_ASSERT
celt_assert(0);
#endif
}
celt_mips+=70;
return res;
}
static OPUS_INLINE opus_val16 SIG2WORD16_generic(celt_sig x)
{
x = PSHR32(x, SIG_SHIFT);
x = MAX32(x, -32768);
x = MIN32(x, 32767);
return EXTRACT16(x);
}
#define SIG2WORD16(x) (SIG2WORD16_generic(x))
#undef PRINT_MIPS
#define PRINT_MIPS(file) do {fprintf (file, "total complexity = %llu MIPS\n", celt_mips);} while (0);
#endif
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