michael@0: /* Copyright (C) 2003-2008 Jean-Marc Valin
michael@0:    Copyright (C) 2007-2012 Xiph.Org Foundation */
michael@0: /**
michael@0:    @file fixed_debug.h
michael@0:    @brief Fixed-point operations with debugging
michael@0: */
michael@0: /*
michael@0:    Redistribution and use in source and binary forms, with or without
michael@0:    modification, are permitted provided that the following conditions
michael@0:    are met:
michael@0: 
michael@0:    - Redistributions of source code must retain the above copyright
michael@0:    notice, this list of conditions and the following disclaimer.
michael@0: 
michael@0:    - Redistributions in binary form must reproduce the above copyright
michael@0:    notice, this list of conditions and the following disclaimer in the
michael@0:    documentation and/or other materials provided with the distribution.
michael@0: 
michael@0:    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
michael@0:    ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
michael@0:    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
michael@0:    A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
michael@0:    OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
michael@0:    EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
michael@0:    PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
michael@0:    PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
michael@0:    LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
michael@0:    NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
michael@0:    SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
michael@0: */
michael@0: 
michael@0: #ifndef FIXED_DEBUG_H
michael@0: #define FIXED_DEBUG_H
michael@0: 
michael@0: #include <stdio.h>
michael@0: #include "opus_defines.h"
michael@0: 
michael@0: #ifdef CELT_C
michael@0: OPUS_EXPORT opus_int64 celt_mips=0;
michael@0: #else
michael@0: extern opus_int64 celt_mips;
michael@0: #endif
michael@0: 
michael@0: #define MULT16_16SU(a,b) ((opus_val32)(opus_val16)(a)*(opus_val32)(opus_uint16)(b))
michael@0: #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))
michael@0: 
michael@0: /** 16x32 multiplication, followed by a 16-bit shift right. Results fits in 32 bits */
michael@0: #define MULT16_32_Q16(a,b) ADD32(MULT16_16((a),SHR32((b),16)), SHR32(MULT16_16SU((a),((b)&0x0000ffff)),16))
michael@0: 
michael@0: #define MULT16_32_P16(a,b) MULT16_32_PX(a,b,16)
michael@0: 
michael@0: #define QCONST16(x,bits) ((opus_val16)(.5+(x)*(((opus_val32)1)<<(bits))))
michael@0: #define QCONST32(x,bits) ((opus_val32)(.5+(x)*(((opus_val32)1)<<(bits))))
michael@0: 
michael@0: #define VERIFY_SHORT(x) ((x)<=32767&&(x)>=-32768)
michael@0: #define VERIFY_INT(x) ((x)<=2147483647LL&&(x)>=-2147483648LL)
michael@0: #define VERIFY_UINT(x) ((x)<=(2147483647LLU<<1))
michael@0: 
michael@0: #define SHR(a,b) SHR32(a,b)
michael@0: #define PSHR(a,b) PSHR32(a,b)
michael@0: 
michael@0: static OPUS_INLINE short NEG16(int x)
michael@0: {
michael@0:    int res;
michael@0:    if (!VERIFY_SHORT(x))
michael@0:    {
michael@0:       fprintf (stderr, "NEG16: input is not short: %d\n", (int)x);
michael@0: #ifdef FIXED_DEBUG_ASSERT
michael@0:       celt_assert(0);
michael@0: #endif
michael@0:    }
michael@0:    res = -x;
michael@0:    if (!VERIFY_SHORT(res))
michael@0:    {
michael@0:       fprintf (stderr, "NEG16: output is not short: %d\n", (int)res);
michael@0: #ifdef FIXED_DEBUG_ASSERT
michael@0:       celt_assert(0);
michael@0: #endif
michael@0:    }
michael@0:    celt_mips++;
michael@0:    return res;
michael@0: }
michael@0: static OPUS_INLINE int NEG32(opus_int64 x)
michael@0: {
michael@0:    opus_int64 res;
michael@0:    if (!VERIFY_INT(x))
michael@0:    {
michael@0:       fprintf (stderr, "NEG16: input is not int: %d\n", (int)x);
michael@0: #ifdef FIXED_DEBUG_ASSERT
michael@0:       celt_assert(0);
michael@0: #endif
michael@0:    }
michael@0:    res = -x;
michael@0:    if (!VERIFY_INT(res))
michael@0:    {
michael@0:       fprintf (stderr, "NEG16: output is not int: %d\n", (int)res);
michael@0: #ifdef FIXED_DEBUG_ASSERT
michael@0:       celt_assert(0);
michael@0: #endif
michael@0:    }
michael@0:    celt_mips+=2;
michael@0:    return res;
michael@0: }
michael@0: 
michael@0: #define EXTRACT16(x) EXTRACT16_(x, __FILE__, __LINE__)
michael@0: static OPUS_INLINE short EXTRACT16_(int x, char *file, int line)
michael@0: {
michael@0:    int res;
michael@0:    if (!VERIFY_SHORT(x))
michael@0:    {
michael@0:       fprintf (stderr, "EXTRACT16: input is not short: %d in %s: line %d\n", x, file, line);
michael@0: #ifdef FIXED_DEBUG_ASSERT
michael@0:       celt_assert(0);
michael@0: #endif
michael@0:    }
michael@0:    res = x;
michael@0:    celt_mips++;
michael@0:    return res;
michael@0: }
michael@0: 
michael@0: #define EXTEND32(x) EXTEND32_(x, __FILE__, __LINE__)
michael@0: static OPUS_INLINE int EXTEND32_(int x, char *file, int line)
michael@0: {
michael@0:    int res;
michael@0:    if (!VERIFY_SHORT(x))
michael@0:    {
michael@0:       fprintf (stderr, "EXTEND32: input is not short: %d in %s: line %d\n", x, file, line);
michael@0: #ifdef FIXED_DEBUG_ASSERT
michael@0:       celt_assert(0);
michael@0: #endif
michael@0:    }
michael@0:    res = x;
michael@0:    celt_mips++;
michael@0:    return res;
michael@0: }
michael@0: 
michael@0: #define SHR16(a, shift) SHR16_(a, shift, __FILE__, __LINE__)
michael@0: static OPUS_INLINE short SHR16_(int a, int shift, char *file, int line)
michael@0: {
michael@0:    int res;
michael@0:    if (!VERIFY_SHORT(a) || !VERIFY_SHORT(shift))
michael@0:    {
michael@0:       fprintf (stderr, "SHR16: inputs are not short: %d >> %d in %s: line %d\n", a, shift, file, line);
michael@0: #ifdef FIXED_DEBUG_ASSERT
michael@0:       celt_assert(0);
michael@0: #endif
michael@0:    }
michael@0:    res = a>>shift;
michael@0:    if (!VERIFY_SHORT(res))
michael@0:    {
michael@0:       fprintf (stderr, "SHR16: output is not short: %d in %s: line %d\n", res, file, line);
michael@0: #ifdef FIXED_DEBUG_ASSERT
michael@0:       celt_assert(0);
michael@0: #endif
michael@0:    }
michael@0:    celt_mips++;
michael@0:    return res;
michael@0: }
michael@0: #define SHL16(a, shift) SHL16_(a, shift, __FILE__, __LINE__)
michael@0: static OPUS_INLINE short SHL16_(int a, int shift, char *file, int line)
michael@0: {
michael@0:    int res;
michael@0:    if (!VERIFY_SHORT(a) || !VERIFY_SHORT(shift))
michael@0:    {
michael@0:       fprintf (stderr, "SHL16: inputs are not short: %d %d in %s: line %d\n", a, shift, file, line);
michael@0: #ifdef FIXED_DEBUG_ASSERT
michael@0:       celt_assert(0);
michael@0: #endif
michael@0:    }
michael@0:    res = a<<shift;
michael@0:    if (!VERIFY_SHORT(res))
michael@0:    {
michael@0:       fprintf (stderr, "SHL16: output is not short: %d in %s: line %d\n", res, file, line);
michael@0: #ifdef FIXED_DEBUG_ASSERT
michael@0:       celt_assert(0);
michael@0: #endif
michael@0:    }
michael@0:    celt_mips++;
michael@0:    return res;
michael@0: }
michael@0: 
michael@0: static OPUS_INLINE int SHR32(opus_int64 a, int shift)
michael@0: {
michael@0:    opus_int64  res;
michael@0:    if (!VERIFY_INT(a) || !VERIFY_SHORT(shift))
michael@0:    {
michael@0:       fprintf (stderr, "SHR32: inputs are not int: %d %d\n", (int)a, shift);
michael@0: #ifdef FIXED_DEBUG_ASSERT
michael@0:       celt_assert(0);
michael@0: #endif
michael@0:    }
michael@0:    res = a>>shift;
michael@0:    if (!VERIFY_INT(res))
michael@0:    {
michael@0:       fprintf (stderr, "SHR32: output is not int: %d\n", (int)res);
michael@0: #ifdef FIXED_DEBUG_ASSERT
michael@0:       celt_assert(0);
michael@0: #endif
michael@0:    }
michael@0:    celt_mips+=2;
michael@0:    return res;
michael@0: }
michael@0: #define SHL32(a, shift) SHL32_(a, shift, __FILE__, __LINE__)
michael@0: static OPUS_INLINE int SHL32_(opus_int64 a, int shift, char *file, int line)
michael@0: {
michael@0:    opus_int64  res;
michael@0:    if (!VERIFY_INT(a) || !VERIFY_SHORT(shift))
michael@0:    {
michael@0:       fprintf (stderr, "SHL32: inputs are not int: %lld %d in %s: line %d\n", a, shift, file, line);
michael@0: #ifdef FIXED_DEBUG_ASSERT
michael@0:       celt_assert(0);
michael@0: #endif
michael@0:    }
michael@0:    res = a<<shift;
michael@0:    if (!VERIFY_INT(res))
michael@0:    {
michael@0:       fprintf (stderr, "SHL32: output is not int: %lld<<%d = %lld in %s: line %d\n", a, shift, res, file, line);
michael@0: #ifdef FIXED_DEBUG_ASSERT
michael@0:       celt_assert(0);
michael@0: #endif
michael@0:    }
michael@0:    celt_mips+=2;
michael@0:    return res;
michael@0: }
michael@0: 
michael@0: #define PSHR32(a,shift) (celt_mips--,SHR32(ADD32((a),(((opus_val32)(1)<<((shift))>>1))),shift))
michael@0: #define VSHR32(a, shift) (((shift)>0) ? SHR32(a, shift) : SHL32(a, -(shift)))
michael@0: 
michael@0: #define ROUND16(x,a) (celt_mips--,EXTRACT16(PSHR32((x),(a))))
michael@0: #define HALF16(x)  (SHR16(x,1))
michael@0: #define HALF32(x)  (SHR32(x,1))
michael@0: 
michael@0: //#define SHR(a,shift) ((a) >> (shift))
michael@0: //#define SHL(a,shift) ((a) << (shift))
michael@0: 
michael@0: #define ADD16(a, b) ADD16_(a, b, __FILE__, __LINE__)
michael@0: static OPUS_INLINE short ADD16_(int a, int b, char *file, int line)
michael@0: {
michael@0:    int res;
michael@0:    if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b))
michael@0:    {
michael@0:       fprintf (stderr, "ADD16: inputs are not short: %d %d in %s: line %d\n", a, b, file, line);
michael@0: #ifdef FIXED_DEBUG_ASSERT
michael@0:       celt_assert(0);
michael@0: #endif
michael@0:    }
michael@0:    res = a+b;
michael@0:    if (!VERIFY_SHORT(res))
michael@0:    {
michael@0:       fprintf (stderr, "ADD16: output is not short: %d+%d=%d in %s: line %d\n", a,b,res, file, line);
michael@0: #ifdef FIXED_DEBUG_ASSERT
michael@0:       celt_assert(0);
michael@0: #endif
michael@0:    }
michael@0:    celt_mips++;
michael@0:    return res;
michael@0: }
michael@0: 
michael@0: #define SUB16(a, b) SUB16_(a, b, __FILE__, __LINE__)
michael@0: static OPUS_INLINE short SUB16_(int a, int b, char *file, int line)
michael@0: {
michael@0:    int res;
michael@0:    if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b))
michael@0:    {
michael@0:       fprintf (stderr, "SUB16: inputs are not short: %d %d in %s: line %d\n", a, b, file, line);
michael@0: #ifdef FIXED_DEBUG_ASSERT
michael@0:       celt_assert(0);
michael@0: #endif
michael@0:    }
michael@0:    res = a-b;
michael@0:    if (!VERIFY_SHORT(res))
michael@0:    {
michael@0:       fprintf (stderr, "SUB16: output is not short: %d in %s: line %d\n", res, file, line);
michael@0: #ifdef FIXED_DEBUG_ASSERT
michael@0:       celt_assert(0);
michael@0: #endif
michael@0:    }
michael@0:    celt_mips++;
michael@0:    return res;
michael@0: }
michael@0: 
michael@0: #define ADD32(a, b) ADD32_(a, b, __FILE__, __LINE__)
michael@0: static OPUS_INLINE int ADD32_(opus_int64 a, opus_int64 b, char *file, int line)
michael@0: {
michael@0:    opus_int64 res;
michael@0:    if (!VERIFY_INT(a) || !VERIFY_INT(b))
michael@0:    {
michael@0:       fprintf (stderr, "ADD32: inputs are not int: %d %d in %s: line %d\n", (int)a, (int)b, file, line);
michael@0: #ifdef FIXED_DEBUG_ASSERT
michael@0:       celt_assert(0);
michael@0: #endif
michael@0:    }
michael@0:    res = a+b;
michael@0:    if (!VERIFY_INT(res))
michael@0:    {
michael@0:       fprintf (stderr, "ADD32: output is not int: %d in %s: line %d\n", (int)res, file, line);
michael@0: #ifdef FIXED_DEBUG_ASSERT
michael@0:       celt_assert(0);
michael@0: #endif
michael@0:    }
michael@0:    celt_mips+=2;
michael@0:    return res;
michael@0: }
michael@0: 
michael@0: #define SUB32(a, b) SUB32_(a, b, __FILE__, __LINE__)
michael@0: static OPUS_INLINE int SUB32_(opus_int64 a, opus_int64 b, char *file, int line)
michael@0: {
michael@0:    opus_int64 res;
michael@0:    if (!VERIFY_INT(a) || !VERIFY_INT(b))
michael@0:    {
michael@0:       fprintf (stderr, "SUB32: inputs are not int: %d %d in %s: line %d\n", (int)a, (int)b, file, line);
michael@0: #ifdef FIXED_DEBUG_ASSERT
michael@0:       celt_assert(0);
michael@0: #endif
michael@0:    }
michael@0:    res = a-b;
michael@0:    if (!VERIFY_INT(res))
michael@0:    {
michael@0:       fprintf (stderr, "SUB32: output is not int: %d in %s: line %d\n", (int)res, file, line);
michael@0: #ifdef FIXED_DEBUG_ASSERT
michael@0:       celt_assert(0);
michael@0: #endif
michael@0:    }
michael@0:    celt_mips+=2;
michael@0:    return res;
michael@0: }
michael@0: 
michael@0: #undef UADD32
michael@0: #define UADD32(a, b) UADD32_(a, b, __FILE__, __LINE__)
michael@0: static OPUS_INLINE unsigned int UADD32_(opus_uint64 a, opus_uint64 b, char *file, int line)
michael@0: {
michael@0:    opus_uint64 res;
michael@0:    if (!VERIFY_UINT(a) || !VERIFY_UINT(b))
michael@0:    {
michael@0:       fprintf (stderr, "UADD32: inputs are not uint32: %llu %llu in %s: line %d\n", a, b, file, line);
michael@0: #ifdef FIXED_DEBUG_ASSERT
michael@0:       celt_assert(0);
michael@0: #endif
michael@0:    }
michael@0:    res = a+b;
michael@0:    if (!VERIFY_UINT(res))
michael@0:    {
michael@0:       fprintf (stderr, "UADD32: output is not uint32: %llu in %s: line %d\n", res, file, line);
michael@0: #ifdef FIXED_DEBUG_ASSERT
michael@0:       celt_assert(0);
michael@0: #endif
michael@0:    }
michael@0:    celt_mips+=2;
michael@0:    return res;
michael@0: }
michael@0: 
michael@0: #undef USUB32
michael@0: #define USUB32(a, b) USUB32_(a, b, __FILE__, __LINE__)
michael@0: static OPUS_INLINE unsigned int USUB32_(opus_uint64 a, opus_uint64 b, char *file, int line)
michael@0: {
michael@0:    opus_uint64 res;
michael@0:    if (!VERIFY_UINT(a) || !VERIFY_UINT(b))
michael@0:    {
michael@0:       fprintf (stderr, "USUB32: inputs are not uint32: %llu %llu in %s: line %d\n", a, b, file, line);
michael@0: #ifdef FIXED_DEBUG_ASSERT
michael@0:       celt_assert(0);
michael@0: #endif
michael@0:    }
michael@0:    if (a<b)
michael@0:    {
michael@0:       fprintf (stderr, "USUB32: inputs underflow: %llu < %llu in %s: line %d\n", a, b, file, line);
michael@0: #ifdef FIXED_DEBUG_ASSERT
michael@0:       celt_assert(0);
michael@0: #endif
michael@0:    }
michael@0:    res = a-b;
michael@0:    if (!VERIFY_UINT(res))
michael@0:    {
michael@0:       fprintf (stderr, "USUB32: output is not uint32: %llu - %llu = %llu in %s: line %d\n", a, b, res, file, line);
michael@0: #ifdef FIXED_DEBUG_ASSERT
michael@0:       celt_assert(0);
michael@0: #endif
michael@0:    }
michael@0:    celt_mips+=2;
michael@0:    return res;
michael@0: }
michael@0: 
michael@0: /* result fits in 16 bits */
michael@0: static OPUS_INLINE short MULT16_16_16(int a, int b)
michael@0: {
michael@0:    int res;
michael@0:    if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b))
michael@0:    {
michael@0:       fprintf (stderr, "MULT16_16_16: inputs are not short: %d %d\n", a, b);
michael@0: #ifdef FIXED_DEBUG_ASSERT
michael@0:       celt_assert(0);
michael@0: #endif
michael@0:    }
michael@0:    res = a*b;
michael@0:    if (!VERIFY_SHORT(res))
michael@0:    {
michael@0:       fprintf (stderr, "MULT16_16_16: output is not short: %d\n", res);
michael@0: #ifdef FIXED_DEBUG_ASSERT
michael@0:       celt_assert(0);
michael@0: #endif
michael@0:    }
michael@0:    celt_mips++;
michael@0:    return res;
michael@0: }
michael@0: 
michael@0: #define MULT16_16(a, b) MULT16_16_(a, b, __FILE__, __LINE__)
michael@0: static OPUS_INLINE int MULT16_16_(int a, int b, char *file, int line)
michael@0: {
michael@0:    opus_int64 res;
michael@0:    if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b))
michael@0:    {
michael@0:       fprintf (stderr, "MULT16_16: inputs are not short: %d %d in %s: line %d\n", a, b, file, line);
michael@0: #ifdef FIXED_DEBUG_ASSERT
michael@0:       celt_assert(0);
michael@0: #endif
michael@0:    }
michael@0:    res = ((opus_int64)a)*b;
michael@0:    if (!VERIFY_INT(res))
michael@0:    {
michael@0:       fprintf (stderr, "MULT16_16: output is not int: %d in %s: line %d\n", (int)res, file, line);
michael@0: #ifdef FIXED_DEBUG_ASSERT
michael@0:       celt_assert(0);
michael@0: #endif
michael@0:    }
michael@0:    celt_mips++;
michael@0:    return res;
michael@0: }
michael@0: 
michael@0: #define MAC16_16(c,a,b)     (celt_mips-=2,ADD32((c),MULT16_16((a),(b))))
michael@0: 
michael@0: #define MULT16_32_QX(a, b, Q) MULT16_32_QX_(a, b, Q, __FILE__, __LINE__)
michael@0: static OPUS_INLINE int MULT16_32_QX_(int a, opus_int64 b, int Q, char *file, int line)
michael@0: {
michael@0:    opus_int64 res;
michael@0:    if (!VERIFY_SHORT(a) || !VERIFY_INT(b))
michael@0:    {
michael@0:       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);
michael@0: #ifdef FIXED_DEBUG_ASSERT
michael@0:       celt_assert(0);
michael@0: #endif
michael@0:    }
michael@0:    if (ABS32(b)>=((opus_val32)(1)<<(15+Q)))
michael@0:    {
michael@0:       fprintf (stderr, "MULT16_32_Q%d: second operand too large: %d %d in %s: line %d\n", Q, (int)a, (int)b, file, line);
michael@0: #ifdef FIXED_DEBUG_ASSERT
michael@0:       celt_assert(0);
michael@0: #endif
michael@0:    }
michael@0:    res = (((opus_int64)a)*(opus_int64)b) >> Q;
michael@0:    if (!VERIFY_INT(res))
michael@0:    {
michael@0:       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);
michael@0: #ifdef FIXED_DEBUG_ASSERT
michael@0:       celt_assert(0);
michael@0: #endif
michael@0:    }
michael@0:    if (Q==15)
michael@0:       celt_mips+=3;
michael@0:    else
michael@0:       celt_mips+=4;
michael@0:    return res;
michael@0: }
michael@0: 
michael@0: #define MULT16_32_PX(a, b, Q) MULT16_32_PX_(a, b, Q, __FILE__, __LINE__)
michael@0: static OPUS_INLINE int MULT16_32_PX_(int a, opus_int64 b, int Q, char *file, int line)
michael@0: {
michael@0:    opus_int64 res;
michael@0:    if (!VERIFY_SHORT(a) || !VERIFY_INT(b))
michael@0:    {
michael@0:       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);
michael@0: #ifdef FIXED_DEBUG_ASSERT
michael@0:       celt_assert(0);
michael@0: #endif
michael@0:    }
michael@0:    if (ABS32(b)>=((opus_int64)(1)<<(15+Q)))
michael@0:    {
michael@0:       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);
michael@0: #ifdef FIXED_DEBUG_ASSERT
michael@0:       celt_assert(0);
michael@0: #endif
michael@0:    }
michael@0:    res = ((((opus_int64)a)*(opus_int64)b) + (((opus_val32)(1)<<Q)>>1))>> Q;
michael@0:    if (!VERIFY_INT(res))
michael@0:    {
michael@0:       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);
michael@0: #ifdef FIXED_DEBUG_ASSERT
michael@0:       celt_assert(0);
michael@0: #endif
michael@0:    }
michael@0:    if (Q==15)
michael@0:       celt_mips+=4;
michael@0:    else
michael@0:       celt_mips+=5;
michael@0:    return res;
michael@0: }
michael@0: 
michael@0: #define MULT16_32_Q15(a,b) MULT16_32_QX(a,b,15)
michael@0: #define MAC16_32_Q15(c,a,b) (celt_mips-=2,ADD32((c),MULT16_32_Q15((a),(b))))
michael@0: 
michael@0: static OPUS_INLINE int SATURATE(int a, int b)
michael@0: {
michael@0:    if (a>b)
michael@0:       a=b;
michael@0:    if (a<-b)
michael@0:       a = -b;
michael@0:    celt_mips+=3;
michael@0:    return a;
michael@0: }
michael@0: 
michael@0: static OPUS_INLINE opus_int16 SATURATE16(opus_int32 a)
michael@0: {
michael@0:    celt_mips+=3;
michael@0:    if (a>32767)
michael@0:       return 32767;
michael@0:    else if (a<-32768)
michael@0:       return -32768;
michael@0:    else return a;
michael@0: }
michael@0: 
michael@0: static OPUS_INLINE int MULT16_16_Q11_32(int a, int b)
michael@0: {
michael@0:    opus_int64 res;
michael@0:    if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b))
michael@0:    {
michael@0:       fprintf (stderr, "MULT16_16_Q11: inputs are not short: %d %d\n", a, b);
michael@0: #ifdef FIXED_DEBUG_ASSERT
michael@0:       celt_assert(0);
michael@0: #endif
michael@0:    }
michael@0:    res = ((opus_int64)a)*b;
michael@0:    res >>= 11;
michael@0:    if (!VERIFY_INT(res))
michael@0:    {
michael@0:       fprintf (stderr, "MULT16_16_Q11: output is not short: %d*%d=%d\n", (int)a, (int)b, (int)res);
michael@0: #ifdef FIXED_DEBUG_ASSERT
michael@0:       celt_assert(0);
michael@0: #endif
michael@0:    }
michael@0:    celt_mips+=3;
michael@0:    return res;
michael@0: }
michael@0: static OPUS_INLINE short MULT16_16_Q13(int a, int b)
michael@0: {
michael@0:    opus_int64 res;
michael@0:    if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b))
michael@0:    {
michael@0:       fprintf (stderr, "MULT16_16_Q13: inputs are not short: %d %d\n", a, b);
michael@0: #ifdef FIXED_DEBUG_ASSERT
michael@0:       celt_assert(0);
michael@0: #endif
michael@0:    }
michael@0:    res = ((opus_int64)a)*b;
michael@0:    res >>= 13;
michael@0:    if (!VERIFY_SHORT(res))
michael@0:    {
michael@0:       fprintf (stderr, "MULT16_16_Q13: output is not short: %d*%d=%d\n", a, b, (int)res);
michael@0: #ifdef FIXED_DEBUG_ASSERT
michael@0:       celt_assert(0);
michael@0: #endif
michael@0:    }
michael@0:    celt_mips+=3;
michael@0:    return res;
michael@0: }
michael@0: static OPUS_INLINE short MULT16_16_Q14(int a, int b)
michael@0: {
michael@0:    opus_int64 res;
michael@0:    if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b))
michael@0:    {
michael@0:       fprintf (stderr, "MULT16_16_Q14: inputs are not short: %d %d\n", a, b);
michael@0: #ifdef FIXED_DEBUG_ASSERT
michael@0:       celt_assert(0);
michael@0: #endif
michael@0:    }
michael@0:    res = ((opus_int64)a)*b;
michael@0:    res >>= 14;
michael@0:    if (!VERIFY_SHORT(res))
michael@0:    {
michael@0:       fprintf (stderr, "MULT16_16_Q14: output is not short: %d\n", (int)res);
michael@0: #ifdef FIXED_DEBUG_ASSERT
michael@0:       celt_assert(0);
michael@0: #endif
michael@0:    }
michael@0:    celt_mips+=3;
michael@0:    return res;
michael@0: }
michael@0: 
michael@0: #define MULT16_16_Q15(a, b) MULT16_16_Q15_(a, b, __FILE__, __LINE__)
michael@0: static OPUS_INLINE short MULT16_16_Q15_(int a, int b, char *file, int line)
michael@0: {
michael@0:    opus_int64 res;
michael@0:    if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b))
michael@0:    {
michael@0:       fprintf (stderr, "MULT16_16_Q15: inputs are not short: %d %d in %s: line %d\n", a, b, file, line);
michael@0: #ifdef FIXED_DEBUG_ASSERT
michael@0:       celt_assert(0);
michael@0: #endif
michael@0:    }
michael@0:    res = ((opus_int64)a)*b;
michael@0:    res >>= 15;
michael@0:    if (!VERIFY_SHORT(res))
michael@0:    {
michael@0:       fprintf (stderr, "MULT16_16_Q15: output is not short: %d in %s: line %d\n", (int)res, file, line);
michael@0: #ifdef FIXED_DEBUG_ASSERT
michael@0:       celt_assert(0);
michael@0: #endif
michael@0:    }
michael@0:    celt_mips+=1;
michael@0:    return res;
michael@0: }
michael@0: 
michael@0: static OPUS_INLINE short MULT16_16_P13(int a, int b)
michael@0: {
michael@0:    opus_int64 res;
michael@0:    if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b))
michael@0:    {
michael@0:       fprintf (stderr, "MULT16_16_P13: inputs are not short: %d %d\n", a, b);
michael@0: #ifdef FIXED_DEBUG_ASSERT
michael@0:       celt_assert(0);
michael@0: #endif
michael@0:    }
michael@0:    res = ((opus_int64)a)*b;
michael@0:    res += 4096;
michael@0:    if (!VERIFY_INT(res))
michael@0:    {
michael@0:       fprintf (stderr, "MULT16_16_P13: overflow: %d*%d=%d\n", a, b, (int)res);
michael@0: #ifdef FIXED_DEBUG_ASSERT
michael@0:       celt_assert(0);
michael@0: #endif
michael@0:    }
michael@0:    res >>= 13;
michael@0:    if (!VERIFY_SHORT(res))
michael@0:    {
michael@0:       fprintf (stderr, "MULT16_16_P13: output is not short: %d*%d=%d\n", a, b, (int)res);
michael@0: #ifdef FIXED_DEBUG_ASSERT
michael@0:       celt_assert(0);
michael@0: #endif
michael@0:    }
michael@0:    celt_mips+=4;
michael@0:    return res;
michael@0: }
michael@0: static OPUS_INLINE short MULT16_16_P14(int a, int b)
michael@0: {
michael@0:    opus_int64 res;
michael@0:    if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b))
michael@0:    {
michael@0:       fprintf (stderr, "MULT16_16_P14: inputs are not short: %d %d\n", a, b);
michael@0: #ifdef FIXED_DEBUG_ASSERT
michael@0:       celt_assert(0);
michael@0: #endif
michael@0:    }
michael@0:    res = ((opus_int64)a)*b;
michael@0:    res += 8192;
michael@0:    if (!VERIFY_INT(res))
michael@0:    {
michael@0:       fprintf (stderr, "MULT16_16_P14: overflow: %d*%d=%d\n", a, b, (int)res);
michael@0: #ifdef FIXED_DEBUG_ASSERT
michael@0:       celt_assert(0);
michael@0: #endif
michael@0:    }
michael@0:    res >>= 14;
michael@0:    if (!VERIFY_SHORT(res))
michael@0:    {
michael@0:       fprintf (stderr, "MULT16_16_P14: output is not short: %d*%d=%d\n", a, b, (int)res);
michael@0: #ifdef FIXED_DEBUG_ASSERT
michael@0:       celt_assert(0);
michael@0: #endif
michael@0:    }
michael@0:    celt_mips+=4;
michael@0:    return res;
michael@0: }
michael@0: static OPUS_INLINE short MULT16_16_P15(int a, int b)
michael@0: {
michael@0:    opus_int64 res;
michael@0:    if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b))
michael@0:    {
michael@0:       fprintf (stderr, "MULT16_16_P15: inputs are not short: %d %d\n", a, b);
michael@0: #ifdef FIXED_DEBUG_ASSERT
michael@0:       celt_assert(0);
michael@0: #endif
michael@0:    }
michael@0:    res = ((opus_int64)a)*b;
michael@0:    res += 16384;
michael@0:    if (!VERIFY_INT(res))
michael@0:    {
michael@0:       fprintf (stderr, "MULT16_16_P15: overflow: %d*%d=%d\n", a, b, (int)res);
michael@0: #ifdef FIXED_DEBUG_ASSERT
michael@0:       celt_assert(0);
michael@0: #endif
michael@0:    }
michael@0:    res >>= 15;
michael@0:    if (!VERIFY_SHORT(res))
michael@0:    {
michael@0:       fprintf (stderr, "MULT16_16_P15: output is not short: %d*%d=%d\n", a, b, (int)res);
michael@0: #ifdef FIXED_DEBUG_ASSERT
michael@0:       celt_assert(0);
michael@0: #endif
michael@0:    }
michael@0:    celt_mips+=2;
michael@0:    return res;
michael@0: }
michael@0: 
michael@0: #define DIV32_16(a, b) DIV32_16_(a, b, __FILE__, __LINE__)
michael@0: 
michael@0: static OPUS_INLINE int DIV32_16_(opus_int64 a, opus_int64 b, char *file, int line)
michael@0: {
michael@0:    opus_int64 res;
michael@0:    if (b==0)
michael@0:    {
michael@0:       fprintf(stderr, "DIV32_16: divide by zero: %d/%d in %s: line %d\n", (int)a, (int)b, file, line);
michael@0: #ifdef FIXED_DEBUG_ASSERT
michael@0:       celt_assert(0);
michael@0: #endif
michael@0:       return 0;
michael@0:    }
michael@0:    if (!VERIFY_INT(a) || !VERIFY_SHORT(b))
michael@0:    {
michael@0:       fprintf (stderr, "DIV32_16: inputs are not int/short: %d %d in %s: line %d\n", (int)a, (int)b, file, line);
michael@0: #ifdef FIXED_DEBUG_ASSERT
michael@0:       celt_assert(0);
michael@0: #endif
michael@0:    }
michael@0:    res = a/b;
michael@0:    if (!VERIFY_SHORT(res))
michael@0:    {
michael@0:       fprintf (stderr, "DIV32_16: output is not short: %d / %d = %d in %s: line %d\n", (int)a,(int)b,(int)res, file, line);
michael@0:       if (res>32767)
michael@0:          res = 32767;
michael@0:       if (res<-32768)
michael@0:          res = -32768;
michael@0: #ifdef FIXED_DEBUG_ASSERT
michael@0:       celt_assert(0);
michael@0: #endif
michael@0:    }
michael@0:    celt_mips+=35;
michael@0:    return res;
michael@0: }
michael@0: 
michael@0: #define DIV32(a, b) DIV32_(a, b, __FILE__, __LINE__)
michael@0: static OPUS_INLINE int DIV32_(opus_int64 a, opus_int64 b, char *file, int line)
michael@0: {
michael@0:    opus_int64 res;
michael@0:    if (b==0)
michael@0:    {
michael@0:       fprintf(stderr, "DIV32: divide by zero: %d/%d in %s: line %d\n", (int)a, (int)b, file, line);
michael@0: #ifdef FIXED_DEBUG_ASSERT
michael@0:       celt_assert(0);
michael@0: #endif
michael@0:       return 0;
michael@0:    }
michael@0: 
michael@0:    if (!VERIFY_INT(a) || !VERIFY_INT(b))
michael@0:    {
michael@0:       fprintf (stderr, "DIV32: inputs are not int/short: %d %d in %s: line %d\n", (int)a, (int)b, file, line);
michael@0: #ifdef FIXED_DEBUG_ASSERT
michael@0:       celt_assert(0);
michael@0: #endif
michael@0:    }
michael@0:    res = a/b;
michael@0:    if (!VERIFY_INT(res))
michael@0:    {
michael@0:       fprintf (stderr, "DIV32: output is not int: %d in %s: line %d\n", (int)res, file, line);
michael@0: #ifdef FIXED_DEBUG_ASSERT
michael@0:       celt_assert(0);
michael@0: #endif
michael@0:    }
michael@0:    celt_mips+=70;
michael@0:    return res;
michael@0: }
michael@0: 
michael@0: #undef PRINT_MIPS
michael@0: #define PRINT_MIPS(file) do {fprintf (file, "total complexity = %llu MIPS\n", celt_mips);} while (0);
michael@0: 
michael@0: #endif