cannam@154: /* Copyright (C) 2003-2008 Jean-Marc Valin
cannam@154:    Copyright (C) 2007-2012 Xiph.Org Foundation */
cannam@154: /**
cannam@154:    @file fixed_debug.h
cannam@154:    @brief Fixed-point operations with debugging
cannam@154: */
cannam@154: /*
cannam@154:    Redistribution and use in source and binary forms, with or without
cannam@154:    modification, are permitted provided that the following conditions
cannam@154:    are met:
cannam@154: 
cannam@154:    - Redistributions of source code must retain the above copyright
cannam@154:    notice, this list of conditions and the following disclaimer.
cannam@154: 
cannam@154:    - Redistributions in binary form must reproduce the above copyright
cannam@154:    notice, this list of conditions and the following disclaimer in the
cannam@154:    documentation and/or other materials provided with the distribution.
cannam@154: 
cannam@154:    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
cannam@154:    ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
cannam@154:    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
cannam@154:    A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
cannam@154:    OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
cannam@154:    EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
cannam@154:    PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
cannam@154:    PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
cannam@154:    LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
cannam@154:    NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
cannam@154:    SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
cannam@154: */
cannam@154: 
cannam@154: #ifndef FIXED_DEBUG_H
cannam@154: #define FIXED_DEBUG_H
cannam@154: 
cannam@154: #include <stdio.h>
cannam@154: #include "opus_defines.h"
cannam@154: 
cannam@154: #ifdef CELT_C
cannam@154: OPUS_EXPORT opus_int64 celt_mips=0;
cannam@154: #else
cannam@154: extern opus_int64 celt_mips;
cannam@154: #endif
cannam@154: 
cannam@154: #define MULT16_16SU(a,b) ((opus_val32)(opus_val16)(a)*(opus_val32)(opus_uint16)(b))
cannam@154: #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))
cannam@154: 
cannam@154: /** 16x32 multiplication, followed by a 16-bit shift right. Results fits in 32 bits */
cannam@154: #define MULT16_32_Q16(a,b) ADD32(MULT16_16((a),SHR32((b),16)), SHR32(MULT16_16SU((a),((b)&0x0000ffff)),16))
cannam@154: 
cannam@154: #define MULT16_32_P16(a,b) MULT16_32_PX(a,b,16)
cannam@154: 
cannam@154: #define QCONST16(x,bits) ((opus_val16)(.5+(x)*(((opus_val32)1)<<(bits))))
cannam@154: #define QCONST32(x,bits) ((opus_val32)(.5+(x)*(((opus_val32)1)<<(bits))))
cannam@154: 
cannam@154: #define VERIFY_SHORT(x) ((x)<=32767&&(x)>=-32768)
cannam@154: #define VERIFY_INT(x) ((x)<=2147483647LL&&(x)>=-2147483648LL)
cannam@154: #define VERIFY_UINT(x) ((x)<=(2147483647LLU<<1))
cannam@154: 
cannam@154: #define SHR(a,b) SHR32(a,b)
cannam@154: #define PSHR(a,b) PSHR32(a,b)
cannam@154: 
cannam@154: /** Add two 32-bit values, ignore any overflows */
cannam@154: #define ADD32_ovflw(a,b) (celt_mips+=2,(opus_val32)((opus_uint32)(a)+(opus_uint32)(b)))
cannam@154: /** Subtract two 32-bit values, ignore any overflows */
cannam@154: #define SUB32_ovflw(a,b) (celt_mips+=2,(opus_val32)((opus_uint32)(a)-(opus_uint32)(b)))
cannam@154: /* Avoid MSVC warning C4146: unary minus operator applied to unsigned type */
cannam@154: /** Negate 32-bit value, ignore any overflows */
cannam@154: #define NEG32_ovflw(a) (celt_mips+=2,(opus_val32)(0-(opus_uint32)(a)))
cannam@154: 
cannam@154: static OPUS_INLINE short NEG16(int x)
cannam@154: {
cannam@154:    int res;
cannam@154:    if (!VERIFY_SHORT(x))
cannam@154:    {
cannam@154:       fprintf (stderr, "NEG16: input is not short: %d\n", (int)x);
cannam@154: #ifdef FIXED_DEBUG_ASSERT
cannam@154:       celt_assert(0);
cannam@154: #endif
cannam@154:    }
cannam@154:    res = -x;
cannam@154:    if (!VERIFY_SHORT(res))
cannam@154:    {
cannam@154:       fprintf (stderr, "NEG16: output is not short: %d\n", (int)res);
cannam@154: #ifdef FIXED_DEBUG_ASSERT
cannam@154:       celt_assert(0);
cannam@154: #endif
cannam@154:    }
cannam@154:    celt_mips++;
cannam@154:    return res;
cannam@154: }
cannam@154: static OPUS_INLINE int NEG32(opus_int64 x)
cannam@154: {
cannam@154:    opus_int64 res;
cannam@154:    if (!VERIFY_INT(x))
cannam@154:    {
cannam@154:       fprintf (stderr, "NEG16: input is not int: %d\n", (int)x);
cannam@154: #ifdef FIXED_DEBUG_ASSERT
cannam@154:       celt_assert(0);
cannam@154: #endif
cannam@154:    }
cannam@154:    res = -x;
cannam@154:    if (!VERIFY_INT(res))
cannam@154:    {
cannam@154:       fprintf (stderr, "NEG16: output is not int: %d\n", (int)res);
cannam@154: #ifdef FIXED_DEBUG_ASSERT
cannam@154:       celt_assert(0);
cannam@154: #endif
cannam@154:    }
cannam@154:    celt_mips+=2;
cannam@154:    return res;
cannam@154: }
cannam@154: 
cannam@154: #define EXTRACT16(x) EXTRACT16_(x, __FILE__, __LINE__)
cannam@154: static OPUS_INLINE short EXTRACT16_(int x, char *file, int line)
cannam@154: {
cannam@154:    int res;
cannam@154:    if (!VERIFY_SHORT(x))
cannam@154:    {
cannam@154:       fprintf (stderr, "EXTRACT16: input is not short: %d in %s: line %d\n", x, file, line);
cannam@154: #ifdef FIXED_DEBUG_ASSERT
cannam@154:       celt_assert(0);
cannam@154: #endif
cannam@154:    }
cannam@154:    res = x;
cannam@154:    celt_mips++;
cannam@154:    return res;
cannam@154: }
cannam@154: 
cannam@154: #define EXTEND32(x) EXTEND32_(x, __FILE__, __LINE__)
cannam@154: static OPUS_INLINE int EXTEND32_(int x, char *file, int line)
cannam@154: {
cannam@154:    int res;
cannam@154:    if (!VERIFY_SHORT(x))
cannam@154:    {
cannam@154:       fprintf (stderr, "EXTEND32: input is not short: %d in %s: line %d\n", x, file, line);
cannam@154: #ifdef FIXED_DEBUG_ASSERT
cannam@154:       celt_assert(0);
cannam@154: #endif
cannam@154:    }
cannam@154:    res = x;
cannam@154:    celt_mips++;
cannam@154:    return res;
cannam@154: }
cannam@154: 
cannam@154: #define SHR16(a, shift) SHR16_(a, shift, __FILE__, __LINE__)
cannam@154: static OPUS_INLINE short SHR16_(int a, int shift, char *file, int line)
cannam@154: {
cannam@154:    int res;
cannam@154:    if (!VERIFY_SHORT(a) || !VERIFY_SHORT(shift))
cannam@154:    {
cannam@154:       fprintf (stderr, "SHR16: inputs are not short: %d >> %d in %s: line %d\n", a, shift, file, line);
cannam@154: #ifdef FIXED_DEBUG_ASSERT
cannam@154:       celt_assert(0);
cannam@154: #endif
cannam@154:    }
cannam@154:    res = a>>shift;
cannam@154:    if (!VERIFY_SHORT(res))
cannam@154:    {
cannam@154:       fprintf (stderr, "SHR16: output is not short: %d in %s: line %d\n", res, file, line);
cannam@154: #ifdef FIXED_DEBUG_ASSERT
cannam@154:       celt_assert(0);
cannam@154: #endif
cannam@154:    }
cannam@154:    celt_mips++;
cannam@154:    return res;
cannam@154: }
cannam@154: #define SHL16(a, shift) SHL16_(a, shift, __FILE__, __LINE__)
cannam@154: static OPUS_INLINE short SHL16_(int a, int shift, char *file, int line)
cannam@154: {
cannam@154:    int res;
cannam@154:    if (!VERIFY_SHORT(a) || !VERIFY_SHORT(shift))
cannam@154:    {
cannam@154:       fprintf (stderr, "SHL16: inputs are not short: %d %d in %s: line %d\n", a, shift, file, line);
cannam@154: #ifdef FIXED_DEBUG_ASSERT
cannam@154:       celt_assert(0);
cannam@154: #endif
cannam@154:    }
cannam@154:    res = a<<shift;
cannam@154:    if (!VERIFY_SHORT(res))
cannam@154:    {
cannam@154:       fprintf (stderr, "SHL16: output is not short: %d in %s: line %d\n", res, file, line);
cannam@154: #ifdef FIXED_DEBUG_ASSERT
cannam@154:       celt_assert(0);
cannam@154: #endif
cannam@154:    }
cannam@154:    celt_mips++;
cannam@154:    return res;
cannam@154: }
cannam@154: 
cannam@154: static OPUS_INLINE int SHR32(opus_int64 a, int shift)
cannam@154: {
cannam@154:    opus_int64  res;
cannam@154:    if (!VERIFY_INT(a) || !VERIFY_SHORT(shift))
cannam@154:    {
cannam@154:       fprintf (stderr, "SHR32: inputs are not int: %d %d\n", (int)a, shift);
cannam@154: #ifdef FIXED_DEBUG_ASSERT
cannam@154:       celt_assert(0);
cannam@154: #endif
cannam@154:    }
cannam@154:    res = a>>shift;
cannam@154:    if (!VERIFY_INT(res))
cannam@154:    {
cannam@154:       fprintf (stderr, "SHR32: output is not int: %d\n", (int)res);
cannam@154: #ifdef FIXED_DEBUG_ASSERT
cannam@154:       celt_assert(0);
cannam@154: #endif
cannam@154:    }
cannam@154:    celt_mips+=2;
cannam@154:    return res;
cannam@154: }
cannam@154: #define SHL32(a, shift) SHL32_(a, shift, __FILE__, __LINE__)
cannam@154: static OPUS_INLINE int SHL32_(opus_int64 a, int shift, char *file, int line)
cannam@154: {
cannam@154:    opus_int64  res;
cannam@154:    if (!VERIFY_INT(a) || !VERIFY_SHORT(shift))
cannam@154:    {
cannam@154:       fprintf (stderr, "SHL32: inputs are not int: %lld %d in %s: line %d\n", a, shift, file, line);
cannam@154: #ifdef FIXED_DEBUG_ASSERT
cannam@154:       celt_assert(0);
cannam@154: #endif
cannam@154:    }
cannam@154:    res = a<<shift;
cannam@154:    if (!VERIFY_INT(res))
cannam@154:    {
cannam@154:       fprintf (stderr, "SHL32: output is not int: %lld<<%d = %lld in %s: line %d\n", a, shift, res, file, line);
cannam@154: #ifdef FIXED_DEBUG_ASSERT
cannam@154:       celt_assert(0);
cannam@154: #endif
cannam@154:    }
cannam@154:    celt_mips+=2;
cannam@154:    return res;
cannam@154: }
cannam@154: 
cannam@154: #define PSHR32(a,shift) (celt_mips--,SHR32(ADD32((a),(((opus_val32)(1)<<((shift))>>1))),shift))
cannam@154: #define VSHR32(a, shift) (((shift)>0) ? SHR32(a, shift) : SHL32(a, -(shift)))
cannam@154: 
cannam@154: #define ROUND16(x,a) (celt_mips--,EXTRACT16(PSHR32((x),(a))))
cannam@154: #define SROUND16(x,a) (celt_mips--,EXTRACT16(SATURATE(PSHR32(x,a), 32767)));
cannam@154: 
cannam@154: #define HALF16(x)  (SHR16(x,1))
cannam@154: #define HALF32(x)  (SHR32(x,1))
cannam@154: 
cannam@154: #define ADD16(a, b) ADD16_(a, b, __FILE__, __LINE__)
cannam@154: static OPUS_INLINE short ADD16_(int a, int b, char *file, int line)
cannam@154: {
cannam@154:    int res;
cannam@154:    if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b))
cannam@154:    {
cannam@154:       fprintf (stderr, "ADD16: inputs are not short: %d %d in %s: line %d\n", a, b, file, line);
cannam@154: #ifdef FIXED_DEBUG_ASSERT
cannam@154:       celt_assert(0);
cannam@154: #endif
cannam@154:    }
cannam@154:    res = a+b;
cannam@154:    if (!VERIFY_SHORT(res))
cannam@154:    {
cannam@154:       fprintf (stderr, "ADD16: output is not short: %d+%d=%d in %s: line %d\n", a,b,res, file, line);
cannam@154: #ifdef FIXED_DEBUG_ASSERT
cannam@154:       celt_assert(0);
cannam@154: #endif
cannam@154:    }
cannam@154:    celt_mips++;
cannam@154:    return res;
cannam@154: }
cannam@154: 
cannam@154: #define SUB16(a, b) SUB16_(a, b, __FILE__, __LINE__)
cannam@154: static OPUS_INLINE short SUB16_(int a, int b, char *file, int line)
cannam@154: {
cannam@154:    int res;
cannam@154:    if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b))
cannam@154:    {
cannam@154:       fprintf (stderr, "SUB16: inputs are not short: %d %d in %s: line %d\n", a, b, file, line);
cannam@154: #ifdef FIXED_DEBUG_ASSERT
cannam@154:       celt_assert(0);
cannam@154: #endif
cannam@154:    }
cannam@154:    res = a-b;
cannam@154:    if (!VERIFY_SHORT(res))
cannam@154:    {
cannam@154:       fprintf (stderr, "SUB16: output is not short: %d in %s: line %d\n", res, file, line);
cannam@154: #ifdef FIXED_DEBUG_ASSERT
cannam@154:       celt_assert(0);
cannam@154: #endif
cannam@154:    }
cannam@154:    celt_mips++;
cannam@154:    return res;
cannam@154: }
cannam@154: 
cannam@154: #define ADD32(a, b) ADD32_(a, b, __FILE__, __LINE__)
cannam@154: static OPUS_INLINE int ADD32_(opus_int64 a, opus_int64 b, char *file, int line)
cannam@154: {
cannam@154:    opus_int64 res;
cannam@154:    if (!VERIFY_INT(a) || !VERIFY_INT(b))
cannam@154:    {
cannam@154:       fprintf (stderr, "ADD32: inputs are not int: %d %d in %s: line %d\n", (int)a, (int)b, file, line);
cannam@154: #ifdef FIXED_DEBUG_ASSERT
cannam@154:       celt_assert(0);
cannam@154: #endif
cannam@154:    }
cannam@154:    res = a+b;
cannam@154:    if (!VERIFY_INT(res))
cannam@154:    {
cannam@154:       fprintf (stderr, "ADD32: output is not int: %d in %s: line %d\n", (int)res, file, line);
cannam@154: #ifdef FIXED_DEBUG_ASSERT
cannam@154:       celt_assert(0);
cannam@154: #endif
cannam@154:    }
cannam@154:    celt_mips+=2;
cannam@154:    return res;
cannam@154: }
cannam@154: 
cannam@154: #define SUB32(a, b) SUB32_(a, b, __FILE__, __LINE__)
cannam@154: static OPUS_INLINE int SUB32_(opus_int64 a, opus_int64 b, char *file, int line)
cannam@154: {
cannam@154:    opus_int64 res;
cannam@154:    if (!VERIFY_INT(a) || !VERIFY_INT(b))
cannam@154:    {
cannam@154:       fprintf (stderr, "SUB32: inputs are not int: %d %d in %s: line %d\n", (int)a, (int)b, file, line);
cannam@154: #ifdef FIXED_DEBUG_ASSERT
cannam@154:       celt_assert(0);
cannam@154: #endif
cannam@154:    }
cannam@154:    res = a-b;
cannam@154:    if (!VERIFY_INT(res))
cannam@154:    {
cannam@154:       fprintf (stderr, "SUB32: output is not int: %d in %s: line %d\n", (int)res, file, line);
cannam@154: #ifdef FIXED_DEBUG_ASSERT
cannam@154:       celt_assert(0);
cannam@154: #endif
cannam@154:    }
cannam@154:    celt_mips+=2;
cannam@154:    return res;
cannam@154: }
cannam@154: 
cannam@154: #undef UADD32
cannam@154: #define UADD32(a, b) UADD32_(a, b, __FILE__, __LINE__)
cannam@154: static OPUS_INLINE unsigned int UADD32_(opus_uint64 a, opus_uint64 b, char *file, int line)
cannam@154: {
cannam@154:    opus_uint64 res;
cannam@154:    if (!VERIFY_UINT(a) || !VERIFY_UINT(b))
cannam@154:    {
cannam@154:       fprintf (stderr, "UADD32: inputs are not uint32: %llu %llu in %s: line %d\n", a, b, file, line);
cannam@154: #ifdef FIXED_DEBUG_ASSERT
cannam@154:       celt_assert(0);
cannam@154: #endif
cannam@154:    }
cannam@154:    res = a+b;
cannam@154:    if (!VERIFY_UINT(res))
cannam@154:    {
cannam@154:       fprintf (stderr, "UADD32: output is not uint32: %llu in %s: line %d\n", res, file, line);
cannam@154: #ifdef FIXED_DEBUG_ASSERT
cannam@154:       celt_assert(0);
cannam@154: #endif
cannam@154:    }
cannam@154:    celt_mips+=2;
cannam@154:    return res;
cannam@154: }
cannam@154: 
cannam@154: #undef USUB32
cannam@154: #define USUB32(a, b) USUB32_(a, b, __FILE__, __LINE__)
cannam@154: static OPUS_INLINE unsigned int USUB32_(opus_uint64 a, opus_uint64 b, char *file, int line)
cannam@154: {
cannam@154:    opus_uint64 res;
cannam@154:    if (!VERIFY_UINT(a) || !VERIFY_UINT(b))
cannam@154:    {
cannam@154:       fprintf (stderr, "USUB32: inputs are not uint32: %llu %llu in %s: line %d\n", a, b, file, line);
cannam@154: #ifdef FIXED_DEBUG_ASSERT
cannam@154:       celt_assert(0);
cannam@154: #endif
cannam@154:    }
cannam@154:    if (a<b)
cannam@154:    {
cannam@154:       fprintf (stderr, "USUB32: inputs underflow: %llu < %llu in %s: line %d\n", a, b, file, line);
cannam@154: #ifdef FIXED_DEBUG_ASSERT
cannam@154:       celt_assert(0);
cannam@154: #endif
cannam@154:    }
cannam@154:    res = a-b;
cannam@154:    if (!VERIFY_UINT(res))
cannam@154:    {
cannam@154:       fprintf (stderr, "USUB32: output is not uint32: %llu - %llu = %llu in %s: line %d\n", a, b, res, file, line);
cannam@154: #ifdef FIXED_DEBUG_ASSERT
cannam@154:       celt_assert(0);
cannam@154: #endif
cannam@154:    }
cannam@154:    celt_mips+=2;
cannam@154:    return res;
cannam@154: }
cannam@154: 
cannam@154: /* result fits in 16 bits */
cannam@154: static OPUS_INLINE short MULT16_16_16(int a, int b)
cannam@154: {
cannam@154:    int res;
cannam@154:    if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b))
cannam@154:    {
cannam@154:       fprintf (stderr, "MULT16_16_16: inputs are not short: %d %d\n", a, b);
cannam@154: #ifdef FIXED_DEBUG_ASSERT
cannam@154:       celt_assert(0);
cannam@154: #endif
cannam@154:    }
cannam@154:    res = a*b;
cannam@154:    if (!VERIFY_SHORT(res))
cannam@154:    {
cannam@154:       fprintf (stderr, "MULT16_16_16: output is not short: %d\n", res);
cannam@154: #ifdef FIXED_DEBUG_ASSERT
cannam@154:       celt_assert(0);
cannam@154: #endif
cannam@154:    }
cannam@154:    celt_mips++;
cannam@154:    return res;
cannam@154: }
cannam@154: 
cannam@154: #define MULT16_16(a, b) MULT16_16_(a, b, __FILE__, __LINE__)
cannam@154: static OPUS_INLINE int MULT16_16_(int a, int b, char *file, int line)
cannam@154: {
cannam@154:    opus_int64 res;
cannam@154:    if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b))
cannam@154:    {
cannam@154:       fprintf (stderr, "MULT16_16: inputs are not short: %d %d in %s: line %d\n", a, b, file, line);
cannam@154: #ifdef FIXED_DEBUG_ASSERT
cannam@154:       celt_assert(0);
cannam@154: #endif
cannam@154:    }
cannam@154:    res = ((opus_int64)a)*b;
cannam@154:    if (!VERIFY_INT(res))
cannam@154:    {
cannam@154:       fprintf (stderr, "MULT16_16: output is not int: %d in %s: line %d\n", (int)res, file, line);
cannam@154: #ifdef FIXED_DEBUG_ASSERT
cannam@154:       celt_assert(0);
cannam@154: #endif
cannam@154:    }
cannam@154:    celt_mips++;
cannam@154:    return res;
cannam@154: }
cannam@154: 
cannam@154: #define MAC16_16(c,a,b)     (celt_mips-=2,ADD32((c),MULT16_16((a),(b))))
cannam@154: 
cannam@154: #define MULT16_32_QX(a, b, Q) MULT16_32_QX_(a, b, Q, __FILE__, __LINE__)
cannam@154: static OPUS_INLINE int MULT16_32_QX_(int a, opus_int64 b, int Q, char *file, int line)
cannam@154: {
cannam@154:    opus_int64 res;
cannam@154:    if (!VERIFY_SHORT(a) || !VERIFY_INT(b))
cannam@154:    {
cannam@154:       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);
cannam@154: #ifdef FIXED_DEBUG_ASSERT
cannam@154:       celt_assert(0);
cannam@154: #endif
cannam@154:    }
cannam@154:    if (ABS32(b)>=((opus_val32)(1)<<(15+Q)))
cannam@154:    {
cannam@154:       fprintf (stderr, "MULT16_32_Q%d: second operand too large: %d %d in %s: line %d\n", Q, (int)a, (int)b, file, line);
cannam@154: #ifdef FIXED_DEBUG_ASSERT
cannam@154:       celt_assert(0);
cannam@154: #endif
cannam@154:    }
cannam@154:    res = (((opus_int64)a)*(opus_int64)b) >> Q;
cannam@154:    if (!VERIFY_INT(res))
cannam@154:    {
cannam@154:       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);
cannam@154: #ifdef FIXED_DEBUG_ASSERT
cannam@154:       celt_assert(0);
cannam@154: #endif
cannam@154:    }
cannam@154:    if (Q==15)
cannam@154:       celt_mips+=3;
cannam@154:    else
cannam@154:       celt_mips+=4;
cannam@154:    return res;
cannam@154: }
cannam@154: 
cannam@154: #define MULT16_32_PX(a, b, Q) MULT16_32_PX_(a, b, Q, __FILE__, __LINE__)
cannam@154: static OPUS_INLINE int MULT16_32_PX_(int a, opus_int64 b, int Q, char *file, int line)
cannam@154: {
cannam@154:    opus_int64 res;
cannam@154:    if (!VERIFY_SHORT(a) || !VERIFY_INT(b))
cannam@154:    {
cannam@154:       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);
cannam@154: #ifdef FIXED_DEBUG_ASSERT
cannam@154:       celt_assert(0);
cannam@154: #endif
cannam@154:    }
cannam@154:    if (ABS32(b)>=((opus_int64)(1)<<(15+Q)))
cannam@154:    {
cannam@154:       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);
cannam@154: #ifdef FIXED_DEBUG_ASSERT
cannam@154:       celt_assert(0);
cannam@154: #endif
cannam@154:    }
cannam@154:    res = ((((opus_int64)a)*(opus_int64)b) + (((opus_val32)(1)<<Q)>>1))>> Q;
cannam@154:    if (!VERIFY_INT(res))
cannam@154:    {
cannam@154:       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);
cannam@154: #ifdef FIXED_DEBUG_ASSERT
cannam@154:       celt_assert(0);
cannam@154: #endif
cannam@154:    }
cannam@154:    if (Q==15)
cannam@154:       celt_mips+=4;
cannam@154:    else
cannam@154:       celt_mips+=5;
cannam@154:    return res;
cannam@154: }
cannam@154: 
cannam@154: #define MULT16_32_Q15(a,b) MULT16_32_QX(a,b,15)
cannam@154: #define MAC16_32_Q15(c,a,b) (celt_mips-=2,ADD32((c),MULT16_32_Q15((a),(b))))
cannam@154: #define MAC16_32_Q16(c,a,b) (celt_mips-=2,ADD32((c),MULT16_32_Q16((a),(b))))
cannam@154: 
cannam@154: static OPUS_INLINE int SATURATE(int a, int b)
cannam@154: {
cannam@154:    if (a>b)
cannam@154:       a=b;
cannam@154:    if (a<-b)
cannam@154:       a = -b;
cannam@154:    celt_mips+=3;
cannam@154:    return a;
cannam@154: }
cannam@154: 
cannam@154: static OPUS_INLINE opus_int16 SATURATE16(opus_int32 a)
cannam@154: {
cannam@154:    celt_mips+=3;
cannam@154:    if (a>32767)
cannam@154:       return 32767;
cannam@154:    else if (a<-32768)
cannam@154:       return -32768;
cannam@154:    else return a;
cannam@154: }
cannam@154: 
cannam@154: static OPUS_INLINE int MULT16_16_Q11_32(int a, int b)
cannam@154: {
cannam@154:    opus_int64 res;
cannam@154:    if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b))
cannam@154:    {
cannam@154:       fprintf (stderr, "MULT16_16_Q11: inputs are not short: %d %d\n", a, b);
cannam@154: #ifdef FIXED_DEBUG_ASSERT
cannam@154:       celt_assert(0);
cannam@154: #endif
cannam@154:    }
cannam@154:    res = ((opus_int64)a)*b;
cannam@154:    res >>= 11;
cannam@154:    if (!VERIFY_INT(res))
cannam@154:    {
cannam@154:       fprintf (stderr, "MULT16_16_Q11: output is not short: %d*%d=%d\n", (int)a, (int)b, (int)res);
cannam@154: #ifdef FIXED_DEBUG_ASSERT
cannam@154:       celt_assert(0);
cannam@154: #endif
cannam@154:    }
cannam@154:    celt_mips+=3;
cannam@154:    return res;
cannam@154: }
cannam@154: static OPUS_INLINE short MULT16_16_Q13(int a, int b)
cannam@154: {
cannam@154:    opus_int64 res;
cannam@154:    if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b))
cannam@154:    {
cannam@154:       fprintf (stderr, "MULT16_16_Q13: inputs are not short: %d %d\n", a, b);
cannam@154: #ifdef FIXED_DEBUG_ASSERT
cannam@154:       celt_assert(0);
cannam@154: #endif
cannam@154:    }
cannam@154:    res = ((opus_int64)a)*b;
cannam@154:    res >>= 13;
cannam@154:    if (!VERIFY_SHORT(res))
cannam@154:    {
cannam@154:       fprintf (stderr, "MULT16_16_Q13: output is not short: %d*%d=%d\n", a, b, (int)res);
cannam@154: #ifdef FIXED_DEBUG_ASSERT
cannam@154:       celt_assert(0);
cannam@154: #endif
cannam@154:    }
cannam@154:    celt_mips+=3;
cannam@154:    return res;
cannam@154: }
cannam@154: static OPUS_INLINE short MULT16_16_Q14(int a, int b)
cannam@154: {
cannam@154:    opus_int64 res;
cannam@154:    if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b))
cannam@154:    {
cannam@154:       fprintf (stderr, "MULT16_16_Q14: inputs are not short: %d %d\n", a, b);
cannam@154: #ifdef FIXED_DEBUG_ASSERT
cannam@154:       celt_assert(0);
cannam@154: #endif
cannam@154:    }
cannam@154:    res = ((opus_int64)a)*b;
cannam@154:    res >>= 14;
cannam@154:    if (!VERIFY_SHORT(res))
cannam@154:    {
cannam@154:       fprintf (stderr, "MULT16_16_Q14: output is not short: %d\n", (int)res);
cannam@154: #ifdef FIXED_DEBUG_ASSERT
cannam@154:       celt_assert(0);
cannam@154: #endif
cannam@154:    }
cannam@154:    celt_mips+=3;
cannam@154:    return res;
cannam@154: }
cannam@154: 
cannam@154: #define MULT16_16_Q15(a, b) MULT16_16_Q15_(a, b, __FILE__, __LINE__)
cannam@154: static OPUS_INLINE short MULT16_16_Q15_(int a, int b, char *file, int line)
cannam@154: {
cannam@154:    opus_int64 res;
cannam@154:    if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b))
cannam@154:    {
cannam@154:       fprintf (stderr, "MULT16_16_Q15: inputs are not short: %d %d in %s: line %d\n", a, b, file, line);
cannam@154: #ifdef FIXED_DEBUG_ASSERT
cannam@154:       celt_assert(0);
cannam@154: #endif
cannam@154:    }
cannam@154:    res = ((opus_int64)a)*b;
cannam@154:    res >>= 15;
cannam@154:    if (!VERIFY_SHORT(res))
cannam@154:    {
cannam@154:       fprintf (stderr, "MULT16_16_Q15: output is not short: %d in %s: line %d\n", (int)res, file, line);
cannam@154: #ifdef FIXED_DEBUG_ASSERT
cannam@154:       celt_assert(0);
cannam@154: #endif
cannam@154:    }
cannam@154:    celt_mips+=1;
cannam@154:    return res;
cannam@154: }
cannam@154: 
cannam@154: static OPUS_INLINE short MULT16_16_P13(int a, int b)
cannam@154: {
cannam@154:    opus_int64 res;
cannam@154:    if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b))
cannam@154:    {
cannam@154:       fprintf (stderr, "MULT16_16_P13: inputs are not short: %d %d\n", a, b);
cannam@154: #ifdef FIXED_DEBUG_ASSERT
cannam@154:       celt_assert(0);
cannam@154: #endif
cannam@154:    }
cannam@154:    res = ((opus_int64)a)*b;
cannam@154:    res += 4096;
cannam@154:    if (!VERIFY_INT(res))
cannam@154:    {
cannam@154:       fprintf (stderr, "MULT16_16_P13: overflow: %d*%d=%d\n", a, b, (int)res);
cannam@154: #ifdef FIXED_DEBUG_ASSERT
cannam@154:       celt_assert(0);
cannam@154: #endif
cannam@154:    }
cannam@154:    res >>= 13;
cannam@154:    if (!VERIFY_SHORT(res))
cannam@154:    {
cannam@154:       fprintf (stderr, "MULT16_16_P13: output is not short: %d*%d=%d\n", a, b, (int)res);
cannam@154: #ifdef FIXED_DEBUG_ASSERT
cannam@154:       celt_assert(0);
cannam@154: #endif
cannam@154:    }
cannam@154:    celt_mips+=4;
cannam@154:    return res;
cannam@154: }
cannam@154: static OPUS_INLINE short MULT16_16_P14(int a, int b)
cannam@154: {
cannam@154:    opus_int64 res;
cannam@154:    if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b))
cannam@154:    {
cannam@154:       fprintf (stderr, "MULT16_16_P14: inputs are not short: %d %d\n", a, b);
cannam@154: #ifdef FIXED_DEBUG_ASSERT
cannam@154:       celt_assert(0);
cannam@154: #endif
cannam@154:    }
cannam@154:    res = ((opus_int64)a)*b;
cannam@154:    res += 8192;
cannam@154:    if (!VERIFY_INT(res))
cannam@154:    {
cannam@154:       fprintf (stderr, "MULT16_16_P14: overflow: %d*%d=%d\n", a, b, (int)res);
cannam@154: #ifdef FIXED_DEBUG_ASSERT
cannam@154:       celt_assert(0);
cannam@154: #endif
cannam@154:    }
cannam@154:    res >>= 14;
cannam@154:    if (!VERIFY_SHORT(res))
cannam@154:    {
cannam@154:       fprintf (stderr, "MULT16_16_P14: output is not short: %d*%d=%d\n", a, b, (int)res);
cannam@154: #ifdef FIXED_DEBUG_ASSERT
cannam@154:       celt_assert(0);
cannam@154: #endif
cannam@154:    }
cannam@154:    celt_mips+=4;
cannam@154:    return res;
cannam@154: }
cannam@154: static OPUS_INLINE short MULT16_16_P15(int a, int b)
cannam@154: {
cannam@154:    opus_int64 res;
cannam@154:    if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b))
cannam@154:    {
cannam@154:       fprintf (stderr, "MULT16_16_P15: inputs are not short: %d %d\n", a, b);
cannam@154: #ifdef FIXED_DEBUG_ASSERT
cannam@154:       celt_assert(0);
cannam@154: #endif
cannam@154:    }
cannam@154:    res = ((opus_int64)a)*b;
cannam@154:    res += 16384;
cannam@154:    if (!VERIFY_INT(res))
cannam@154:    {
cannam@154:       fprintf (stderr, "MULT16_16_P15: overflow: %d*%d=%d\n", a, b, (int)res);
cannam@154: #ifdef FIXED_DEBUG_ASSERT
cannam@154:       celt_assert(0);
cannam@154: #endif
cannam@154:    }
cannam@154:    res >>= 15;
cannam@154:    if (!VERIFY_SHORT(res))
cannam@154:    {
cannam@154:       fprintf (stderr, "MULT16_16_P15: output is not short: %d*%d=%d\n", a, b, (int)res);
cannam@154: #ifdef FIXED_DEBUG_ASSERT
cannam@154:       celt_assert(0);
cannam@154: #endif
cannam@154:    }
cannam@154:    celt_mips+=2;
cannam@154:    return res;
cannam@154: }
cannam@154: 
cannam@154: #define DIV32_16(a, b) DIV32_16_(a, b, __FILE__, __LINE__)
cannam@154: 
cannam@154: static OPUS_INLINE int DIV32_16_(opus_int64 a, opus_int64 b, char *file, int line)
cannam@154: {
cannam@154:    opus_int64 res;
cannam@154:    if (b==0)
cannam@154:    {
cannam@154:       fprintf(stderr, "DIV32_16: divide by zero: %d/%d in %s: line %d\n", (int)a, (int)b, file, line);
cannam@154: #ifdef FIXED_DEBUG_ASSERT
cannam@154:       celt_assert(0);
cannam@154: #endif
cannam@154:       return 0;
cannam@154:    }
cannam@154:    if (!VERIFY_INT(a) || !VERIFY_SHORT(b))
cannam@154:    {
cannam@154:       fprintf (stderr, "DIV32_16: inputs are not int/short: %d %d in %s: line %d\n", (int)a, (int)b, file, line);
cannam@154: #ifdef FIXED_DEBUG_ASSERT
cannam@154:       celt_assert(0);
cannam@154: #endif
cannam@154:    }
cannam@154:    res = a/b;
cannam@154:    if (!VERIFY_SHORT(res))
cannam@154:    {
cannam@154:       fprintf (stderr, "DIV32_16: output is not short: %d / %d = %d in %s: line %d\n", (int)a,(int)b,(int)res, file, line);
cannam@154:       if (res>32767)
cannam@154:          res = 32767;
cannam@154:       if (res<-32768)
cannam@154:          res = -32768;
cannam@154: #ifdef FIXED_DEBUG_ASSERT
cannam@154:       celt_assert(0);
cannam@154: #endif
cannam@154:    }
cannam@154:    celt_mips+=35;
cannam@154:    return res;
cannam@154: }
cannam@154: 
cannam@154: #define DIV32(a, b) DIV32_(a, b, __FILE__, __LINE__)
cannam@154: static OPUS_INLINE int DIV32_(opus_int64 a, opus_int64 b, char *file, int line)
cannam@154: {
cannam@154:    opus_int64 res;
cannam@154:    if (b==0)
cannam@154:    {
cannam@154:       fprintf(stderr, "DIV32: divide by zero: %d/%d in %s: line %d\n", (int)a, (int)b, file, line);
cannam@154: #ifdef FIXED_DEBUG_ASSERT
cannam@154:       celt_assert(0);
cannam@154: #endif
cannam@154:       return 0;
cannam@154:    }
cannam@154: 
cannam@154:    if (!VERIFY_INT(a) || !VERIFY_INT(b))
cannam@154:    {
cannam@154:       fprintf (stderr, "DIV32: inputs are not int/short: %d %d in %s: line %d\n", (int)a, (int)b, file, line);
cannam@154: #ifdef FIXED_DEBUG_ASSERT
cannam@154:       celt_assert(0);
cannam@154: #endif
cannam@154:    }
cannam@154:    res = a/b;
cannam@154:    if (!VERIFY_INT(res))
cannam@154:    {
cannam@154:       fprintf (stderr, "DIV32: output is not int: %d in %s: line %d\n", (int)res, file, line);
cannam@154: #ifdef FIXED_DEBUG_ASSERT
cannam@154:       celt_assert(0);
cannam@154: #endif
cannam@154:    }
cannam@154:    celt_mips+=70;
cannam@154:    return res;
cannam@154: }
cannam@154: 
cannam@154: static OPUS_INLINE opus_val16 SIG2WORD16_generic(celt_sig x)
cannam@154: {
cannam@154:    x = PSHR32(x, SIG_SHIFT);
cannam@154:    x = MAX32(x, -32768);
cannam@154:    x = MIN32(x, 32767);
cannam@154:    return EXTRACT16(x);
cannam@154: }
cannam@154: #define SIG2WORD16(x) (SIG2WORD16_generic(x))
cannam@154: 
cannam@154: 
cannam@154: #undef PRINT_MIPS
cannam@154: #define PRINT_MIPS(file) do {fprintf (file, "total complexity = %llu MIPS\n", celt_mips);} while (0);
cannam@154: 
cannam@154: #endif