1 /* Copyright (C) 2003-2008 Jean-Marc Valin
2    Copyright (C) 2007-2012 Xiph.Org Foundation */
3 /**
4    @file fixed_debug.h
5    @brief Fixed-point operations with debugging
6 */
7 /*
8    Redistribution and use in source and binary forms, with or without
9    modification, are permitted provided that the following conditions
10    are met:
11 
12    - Redistributions of source code must retain the above copyright
13    notice, this list of conditions and the following disclaimer.
14 
15    - Redistributions in binary form must reproduce the above copyright
16    notice, this list of conditions and the following disclaimer in the
17    documentation and/or other materials provided with the distribution.
18 
19    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20    ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
22    A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
23    OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
24    EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
25    PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
26    PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
27    LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
28    NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
29    SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31 
32 #ifndef FIXED_DEBUG_H
33 #define FIXED_DEBUG_H
34 
35 #include <stdio.h>
36 #include "opus_defines.h"
37 
38 #ifdef CELT_C
39 OPUS_EXPORT opus_int64 celt_mips=0;
40 #else
41 extern opus_int64 celt_mips;
42 #endif
43 
44 #define MULT16_16SU(a,b) ((opus_val32)(opus_val16)(a)*(opus_val32)(opus_uint16)(b))
45 #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))
46 
47 /** 16x32 multiplication, followed by a 16-bit shift right. Results fits in 32 bits */
48 #define MULT16_32_Q16(a,b) ADD32(MULT16_16((a),SHR32((b),16)), SHR32(MULT16_16SU((a),((b)&0x0000ffff)),16))
49 
50 #define MULT16_32_P16(a,b) MULT16_32_PX(a,b,16)
51 
52 #define QCONST16(x,bits) ((opus_val16)(.5+(x)*(((opus_val32)1)<<(bits))))
53 #define QCONST32(x,bits) ((opus_val32)(.5+(x)*(((opus_val32)1)<<(bits))))
54 
55 #define VERIFY_SHORT(x) ((x)<=32767&&(x)>=-32768)
56 #define VERIFY_INT(x) ((x)<=2147483647LL&&(x)>=-2147483648LL)
57 #define VERIFY_UINT(x) ((x)<=(2147483647LLU<<1))
58 
59 #define SHR(a,b) SHR32(a,b)
60 #define PSHR(a,b) PSHR32(a,b)
61 
NEG16(int x)62 static OPUS_INLINE short NEG16(int x)
63 {
64    int res;
65    if (!VERIFY_SHORT(x))
66    {
67       fprintf (stderr, "NEG16: input is not short: %d\n", (int)x);
68 #ifdef FIXED_DEBUG_ASSERT
69       celt_assert(0);
70 #endif
71    }
72    res = -x;
73    if (!VERIFY_SHORT(res))
74    {
75       fprintf (stderr, "NEG16: output is not short: %d\n", (int)res);
76 #ifdef FIXED_DEBUG_ASSERT
77       celt_assert(0);
78 #endif
79    }
80    celt_mips++;
81    return res;
82 }
NEG32(opus_int64 x)83 static OPUS_INLINE int NEG32(opus_int64 x)
84 {
85    opus_int64 res;
86    if (!VERIFY_INT(x))
87    {
88       fprintf (stderr, "NEG16: input is not int: %d\n", (int)x);
89 #ifdef FIXED_DEBUG_ASSERT
90       celt_assert(0);
91 #endif
92    }
93    res = -x;
94    if (!VERIFY_INT(res))
95    {
96       fprintf (stderr, "NEG16: output is not int: %d\n", (int)res);
97 #ifdef FIXED_DEBUG_ASSERT
98       celt_assert(0);
99 #endif
100    }
101    celt_mips+=2;
102    return res;
103 }
104 
105 #define EXTRACT16(x) EXTRACT16_(x, __FILE__, __LINE__)
EXTRACT16_(int x,char * file,int line)106 static OPUS_INLINE short EXTRACT16_(int x, char *file, int line)
107 {
108    int res;
109    if (!VERIFY_SHORT(x))
110    {
111       fprintf (stderr, "EXTRACT16: input is not short: %d in %s: line %d\n", x, file, line);
112 #ifdef FIXED_DEBUG_ASSERT
113       celt_assert(0);
114 #endif
115    }
116    res = x;
117    celt_mips++;
118    return res;
119 }
120 
121 #define EXTEND32(x) EXTEND32_(x, __FILE__, __LINE__)
EXTEND32_(int x,char * file,int line)122 static OPUS_INLINE int EXTEND32_(int x, char *file, int line)
123 {
124    int res;
125    if (!VERIFY_SHORT(x))
126    {
127       fprintf (stderr, "EXTEND32: input is not short: %d in %s: line %d\n", x, file, line);
128 #ifdef FIXED_DEBUG_ASSERT
129       celt_assert(0);
130 #endif
131    }
132    res = x;
133    celt_mips++;
134    return res;
135 }
136 
137 #define SHR16(a, shift) SHR16_(a, shift, __FILE__, __LINE__)
SHR16_(int a,int shift,char * file,int line)138 static OPUS_INLINE short SHR16_(int a, int shift, char *file, int line)
139 {
140    int res;
141    if (!VERIFY_SHORT(a) || !VERIFY_SHORT(shift))
142    {
143       fprintf (stderr, "SHR16: inputs are not short: %d >> %d in %s: line %d\n", a, shift, file, line);
144 #ifdef FIXED_DEBUG_ASSERT
145       celt_assert(0);
146 #endif
147    }
148    res = a>>shift;
149    if (!VERIFY_SHORT(res))
150    {
151       fprintf (stderr, "SHR16: output is not short: %d in %s: line %d\n", res, file, line);
152 #ifdef FIXED_DEBUG_ASSERT
153       celt_assert(0);
154 #endif
155    }
156    celt_mips++;
157    return res;
158 }
159 #define SHL16(a, shift) SHL16_(a, shift, __FILE__, __LINE__)
SHL16_(int a,int shift,char * file,int line)160 static OPUS_INLINE short SHL16_(int a, int shift, char *file, int line)
161 {
162    int res;
163    if (!VERIFY_SHORT(a) || !VERIFY_SHORT(shift))
164    {
165       fprintf (stderr, "SHL16: inputs are not short: %d %d in %s: line %d\n", a, shift, file, line);
166 #ifdef FIXED_DEBUG_ASSERT
167       celt_assert(0);
168 #endif
169    }
170    res = a<<shift;
171    if (!VERIFY_SHORT(res))
172    {
173       fprintf (stderr, "SHL16: output is not short: %d in %s: line %d\n", res, file, line);
174 #ifdef FIXED_DEBUG_ASSERT
175       celt_assert(0);
176 #endif
177    }
178    celt_mips++;
179    return res;
180 }
181 
SHR32(opus_int64 a,int shift)182 static OPUS_INLINE int SHR32(opus_int64 a, int shift)
183 {
184    opus_int64  res;
185    if (!VERIFY_INT(a) || !VERIFY_SHORT(shift))
186    {
187       fprintf (stderr, "SHR32: inputs are not int: %d %d\n", (int)a, shift);
188 #ifdef FIXED_DEBUG_ASSERT
189       celt_assert(0);
190 #endif
191    }
192    res = a>>shift;
193    if (!VERIFY_INT(res))
194    {
195       fprintf (stderr, "SHR32: output is not int: %d\n", (int)res);
196 #ifdef FIXED_DEBUG_ASSERT
197       celt_assert(0);
198 #endif
199    }
200    celt_mips+=2;
201    return res;
202 }
203 #define SHL32(a, shift) SHL32_(a, shift, __FILE__, __LINE__)
SHL32_(opus_int64 a,int shift,char * file,int line)204 static OPUS_INLINE int SHL32_(opus_int64 a, int shift, char *file, int line)
205 {
206    opus_int64  res;
207    if (!VERIFY_INT(a) || !VERIFY_SHORT(shift))
208    {
209       fprintf (stderr, "SHL32: inputs are not int: %lld %d in %s: line %d\n", a, shift, file, line);
210 #ifdef FIXED_DEBUG_ASSERT
211       celt_assert(0);
212 #endif
213    }
214    res = a<<shift;
215    if (!VERIFY_INT(res))
216    {
217       fprintf (stderr, "SHL32: output is not int: %lld<<%d = %lld in %s: line %d\n", a, shift, res, file, line);
218 #ifdef FIXED_DEBUG_ASSERT
219       celt_assert(0);
220 #endif
221    }
222    celt_mips+=2;
223    return res;
224 }
225 
226 #define PSHR32(a,shift) (celt_mips--,SHR32(ADD32((a),(((opus_val32)(1)<<((shift))>>1))),shift))
227 #define VSHR32(a, shift) (((shift)>0) ? SHR32(a, shift) : SHL32(a, -(shift)))
228 
229 #define ROUND16(x,a) (celt_mips--,EXTRACT16(PSHR32((x),(a))))
230 #define HALF16(x)  (SHR16(x,1))
231 #define HALF32(x)  (SHR32(x,1))
232 
233 //#define SHR(a,shift) ((a) >> (shift))
234 //#define SHL(a,shift) ((a) << (shift))
235 
236 #define ADD16(a, b) ADD16_(a, b, __FILE__, __LINE__)
ADD16_(int a,int b,char * file,int line)237 static OPUS_INLINE short ADD16_(int a, int b, char *file, int line)
238 {
239    int res;
240    if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b))
241    {
242       fprintf (stderr, "ADD16: inputs are not short: %d %d in %s: line %d\n", a, b, file, line);
243 #ifdef FIXED_DEBUG_ASSERT
244       celt_assert(0);
245 #endif
246    }
247    res = a+b;
248    if (!VERIFY_SHORT(res))
249    {
250       fprintf (stderr, "ADD16: output is not short: %d+%d=%d in %s: line %d\n", a,b,res, file, line);
251 #ifdef FIXED_DEBUG_ASSERT
252       celt_assert(0);
253 #endif
254    }
255    celt_mips++;
256    return res;
257 }
258 
259 #define SUB16(a, b) SUB16_(a, b, __FILE__, __LINE__)
SUB16_(int a,int b,char * file,int line)260 static OPUS_INLINE short SUB16_(int a, int b, char *file, int line)
261 {
262    int res;
263    if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b))
264    {
265       fprintf (stderr, "SUB16: inputs are not short: %d %d in %s: line %d\n", a, b, file, line);
266 #ifdef FIXED_DEBUG_ASSERT
267       celt_assert(0);
268 #endif
269    }
270    res = a-b;
271    if (!VERIFY_SHORT(res))
272    {
273       fprintf (stderr, "SUB16: output is not short: %d in %s: line %d\n", res, file, line);
274 #ifdef FIXED_DEBUG_ASSERT
275       celt_assert(0);
276 #endif
277    }
278    celt_mips++;
279    return res;
280 }
281 
282 #define ADD32(a, b) ADD32_(a, b, __FILE__, __LINE__)
ADD32_(opus_int64 a,opus_int64 b,char * file,int line)283 static OPUS_INLINE int ADD32_(opus_int64 a, opus_int64 b, char *file, int line)
284 {
285    opus_int64 res;
286    if (!VERIFY_INT(a) || !VERIFY_INT(b))
287    {
288       fprintf (stderr, "ADD32: inputs are not int: %d %d in %s: line %d\n", (int)a, (int)b, file, line);
289 #ifdef FIXED_DEBUG_ASSERT
290       celt_assert(0);
291 #endif
292    }
293    res = a+b;
294    if (!VERIFY_INT(res))
295    {
296       fprintf (stderr, "ADD32: output is not int: %d in %s: line %d\n", (int)res, file, line);
297 #ifdef FIXED_DEBUG_ASSERT
298       celt_assert(0);
299 #endif
300    }
301    celt_mips+=2;
302    return res;
303 }
304 
305 #define SUB32(a, b) SUB32_(a, b, __FILE__, __LINE__)
SUB32_(opus_int64 a,opus_int64 b,char * file,int line)306 static OPUS_INLINE int SUB32_(opus_int64 a, opus_int64 b, char *file, int line)
307 {
308    opus_int64 res;
309    if (!VERIFY_INT(a) || !VERIFY_INT(b))
310    {
311       fprintf (stderr, "SUB32: inputs are not int: %d %d in %s: line %d\n", (int)a, (int)b, file, line);
312 #ifdef FIXED_DEBUG_ASSERT
313       celt_assert(0);
314 #endif
315    }
316    res = a-b;
317    if (!VERIFY_INT(res))
318    {
319       fprintf (stderr, "SUB32: output is not int: %d in %s: line %d\n", (int)res, file, line);
320 #ifdef FIXED_DEBUG_ASSERT
321       celt_assert(0);
322 #endif
323    }
324    celt_mips+=2;
325    return res;
326 }
327 
328 #undef UADD32
329 #define UADD32(a, b) UADD32_(a, b, __FILE__, __LINE__)
UADD32_(opus_uint64 a,opus_uint64 b,char * file,int line)330 static OPUS_INLINE unsigned int UADD32_(opus_uint64 a, opus_uint64 b, char *file, int line)
331 {
332    opus_uint64 res;
333    if (!VERIFY_UINT(a) || !VERIFY_UINT(b))
334    {
335       fprintf (stderr, "UADD32: inputs are not uint32: %llu %llu in %s: line %d\n", a, b, file, line);
336 #ifdef FIXED_DEBUG_ASSERT
337       celt_assert(0);
338 #endif
339    }
340    res = a+b;
341    if (!VERIFY_UINT(res))
342    {
343       fprintf (stderr, "UADD32: output is not uint32: %llu in %s: line %d\n", res, file, line);
344 #ifdef FIXED_DEBUG_ASSERT
345       celt_assert(0);
346 #endif
347    }
348    celt_mips+=2;
349    return res;
350 }
351 
352 #undef USUB32
353 #define USUB32(a, b) USUB32_(a, b, __FILE__, __LINE__)
USUB32_(opus_uint64 a,opus_uint64 b,char * file,int line)354 static OPUS_INLINE unsigned int USUB32_(opus_uint64 a, opus_uint64 b, char *file, int line)
355 {
356    opus_uint64 res;
357    if (!VERIFY_UINT(a) || !VERIFY_UINT(b))
358    {
359       fprintf (stderr, "USUB32: inputs are not uint32: %llu %llu in %s: line %d\n", a, b, file, line);
360 #ifdef FIXED_DEBUG_ASSERT
361       celt_assert(0);
362 #endif
363    }
364    if (a<b)
365    {
366       fprintf (stderr, "USUB32: inputs underflow: %llu < %llu in %s: line %d\n", a, b, file, line);
367 #ifdef FIXED_DEBUG_ASSERT
368       celt_assert(0);
369 #endif
370    }
371    res = a-b;
372    if (!VERIFY_UINT(res))
373    {
374       fprintf (stderr, "USUB32: output is not uint32: %llu - %llu = %llu in %s: line %d\n", a, b, res, file, line);
375 #ifdef FIXED_DEBUG_ASSERT
376       celt_assert(0);
377 #endif
378    }
379    celt_mips+=2;
380    return res;
381 }
382 
383 /* result fits in 16 bits */
MULT16_16_16(int a,int b)384 static OPUS_INLINE short MULT16_16_16(int a, int b)
385 {
386    int res;
387    if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b))
388    {
389       fprintf (stderr, "MULT16_16_16: inputs are not short: %d %d\n", a, b);
390 #ifdef FIXED_DEBUG_ASSERT
391       celt_assert(0);
392 #endif
393    }
394    res = a*b;
395    if (!VERIFY_SHORT(res))
396    {
397       fprintf (stderr, "MULT16_16_16: output is not short: %d\n", res);
398 #ifdef FIXED_DEBUG_ASSERT
399       celt_assert(0);
400 #endif
401    }
402    celt_mips++;
403    return res;
404 }
405 
406 #define MULT16_16(a, b) MULT16_16_(a, b, __FILE__, __LINE__)
MULT16_16_(int a,int b,char * file,int line)407 static OPUS_INLINE int MULT16_16_(int a, int b, char *file, int line)
408 {
409    opus_int64 res;
410    if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b))
411    {
412       fprintf (stderr, "MULT16_16: inputs are not short: %d %d in %s: line %d\n", a, b, file, line);
413 #ifdef FIXED_DEBUG_ASSERT
414       celt_assert(0);
415 #endif
416    }
417    res = ((opus_int64)a)*b;
418    if (!VERIFY_INT(res))
419    {
420       fprintf (stderr, "MULT16_16: output is not int: %d in %s: line %d\n", (int)res, file, line);
421 #ifdef FIXED_DEBUG_ASSERT
422       celt_assert(0);
423 #endif
424    }
425    celt_mips++;
426    return res;
427 }
428 
429 #define MAC16_16(c,a,b)     (celt_mips-=2,ADD32((c),MULT16_16((a),(b))))
430 
431 #define MULT16_32_QX(a, b, Q) MULT16_32_QX_(a, b, Q, __FILE__, __LINE__)
MULT16_32_QX_(int a,opus_int64 b,int Q,char * file,int line)432 static OPUS_INLINE int MULT16_32_QX_(int a, opus_int64 b, int Q, char *file, int line)
433 {
434    opus_int64 res;
435    if (!VERIFY_SHORT(a) || !VERIFY_INT(b))
436    {
437       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);
438 #ifdef FIXED_DEBUG_ASSERT
439       celt_assert(0);
440 #endif
441    }
442    if (ABS32(b)>=((opus_val32)(1)<<(15+Q)))
443    {
444       fprintf (stderr, "MULT16_32_Q%d: second operand too large: %d %d in %s: line %d\n", Q, (int)a, (int)b, file, line);
445 #ifdef FIXED_DEBUG_ASSERT
446       celt_assert(0);
447 #endif
448    }
449    res = (((opus_int64)a)*(opus_int64)b) >> Q;
450    if (!VERIFY_INT(res))
451    {
452       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);
453 #ifdef FIXED_DEBUG_ASSERT
454       celt_assert(0);
455 #endif
456    }
457    if (Q==15)
458       celt_mips+=3;
459    else
460       celt_mips+=4;
461    return res;
462 }
463 
464 #define MULT16_32_PX(a, b, Q) MULT16_32_PX_(a, b, Q, __FILE__, __LINE__)
MULT16_32_PX_(int a,opus_int64 b,int Q,char * file,int line)465 static OPUS_INLINE int MULT16_32_PX_(int a, opus_int64 b, int Q, char *file, int line)
466 {
467    opus_int64 res;
468    if (!VERIFY_SHORT(a) || !VERIFY_INT(b))
469    {
470       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);
471 #ifdef FIXED_DEBUG_ASSERT
472       celt_assert(0);
473 #endif
474    }
475    if (ABS32(b)>=((opus_int64)(1)<<(15+Q)))
476    {
477       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);
478 #ifdef FIXED_DEBUG_ASSERT
479       celt_assert(0);
480 #endif
481    }
482    res = ((((opus_int64)a)*(opus_int64)b) + (((opus_val32)(1)<<Q)>>1))>> Q;
483    if (!VERIFY_INT(res))
484    {
485       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);
486 #ifdef FIXED_DEBUG_ASSERT
487       celt_assert(0);
488 #endif
489    }
490    if (Q==15)
491       celt_mips+=4;
492    else
493       celt_mips+=5;
494    return res;
495 }
496 
497 #define MULT16_32_Q15(a,b) MULT16_32_QX(a,b,15)
498 #define MAC16_32_Q15(c,a,b) (celt_mips-=2,ADD32((c),MULT16_32_Q15((a),(b))))
499 
SATURATE(int a,int b)500 static OPUS_INLINE int SATURATE(int a, int b)
501 {
502    if (a>b)
503       a=b;
504    if (a<-b)
505       a = -b;
506    celt_mips+=3;
507    return a;
508 }
509 
SATURATE16(opus_int32 a)510 static OPUS_INLINE opus_int16 SATURATE16(opus_int32 a)
511 {
512    celt_mips+=3;
513    if (a>32767)
514       return 32767;
515    else if (a<-32768)
516       return -32768;
517    else return a;
518 }
519 
MULT16_16_Q11_32(int a,int b)520 static OPUS_INLINE int MULT16_16_Q11_32(int a, int b)
521 {
522    opus_int64 res;
523    if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b))
524    {
525       fprintf (stderr, "MULT16_16_Q11: inputs are not short: %d %d\n", a, b);
526 #ifdef FIXED_DEBUG_ASSERT
527       celt_assert(0);
528 #endif
529    }
530    res = ((opus_int64)a)*b;
531    res >>= 11;
532    if (!VERIFY_INT(res))
533    {
534       fprintf (stderr, "MULT16_16_Q11: output is not short: %d*%d=%d\n", (int)a, (int)b, (int)res);
535 #ifdef FIXED_DEBUG_ASSERT
536       celt_assert(0);
537 #endif
538    }
539    celt_mips+=3;
540    return res;
541 }
MULT16_16_Q13(int a,int b)542 static OPUS_INLINE short MULT16_16_Q13(int a, int b)
543 {
544    opus_int64 res;
545    if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b))
546    {
547       fprintf (stderr, "MULT16_16_Q13: inputs are not short: %d %d\n", a, b);
548 #ifdef FIXED_DEBUG_ASSERT
549       celt_assert(0);
550 #endif
551    }
552    res = ((opus_int64)a)*b;
553    res >>= 13;
554    if (!VERIFY_SHORT(res))
555    {
556       fprintf (stderr, "MULT16_16_Q13: output is not short: %d*%d=%d\n", a, b, (int)res);
557 #ifdef FIXED_DEBUG_ASSERT
558       celt_assert(0);
559 #endif
560    }
561    celt_mips+=3;
562    return res;
563 }
MULT16_16_Q14(int a,int b)564 static OPUS_INLINE short MULT16_16_Q14(int a, int b)
565 {
566    opus_int64 res;
567    if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b))
568    {
569       fprintf (stderr, "MULT16_16_Q14: inputs are not short: %d %d\n", a, b);
570 #ifdef FIXED_DEBUG_ASSERT
571       celt_assert(0);
572 #endif
573    }
574    res = ((opus_int64)a)*b;
575    res >>= 14;
576    if (!VERIFY_SHORT(res))
577    {
578       fprintf (stderr, "MULT16_16_Q14: output is not short: %d\n", (int)res);
579 #ifdef FIXED_DEBUG_ASSERT
580       celt_assert(0);
581 #endif
582    }
583    celt_mips+=3;
584    return res;
585 }
586 
587 #define MULT16_16_Q15(a, b) MULT16_16_Q15_(a, b, __FILE__, __LINE__)
MULT16_16_Q15_(int a,int b,char * file,int line)588 static OPUS_INLINE short MULT16_16_Q15_(int a, int b, char *file, int line)
589 {
590    opus_int64 res;
591    if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b))
592    {
593       fprintf (stderr, "MULT16_16_Q15: inputs are not short: %d %d in %s: line %d\n", a, b, file, line);
594 #ifdef FIXED_DEBUG_ASSERT
595       celt_assert(0);
596 #endif
597    }
598    res = ((opus_int64)a)*b;
599    res >>= 15;
600    if (!VERIFY_SHORT(res))
601    {
602       fprintf (stderr, "MULT16_16_Q15: output is not short: %d in %s: line %d\n", (int)res, file, line);
603 #ifdef FIXED_DEBUG_ASSERT
604       celt_assert(0);
605 #endif
606    }
607    celt_mips+=1;
608    return res;
609 }
610 
MULT16_16_P13(int a,int b)611 static OPUS_INLINE short MULT16_16_P13(int a, int b)
612 {
613    opus_int64 res;
614    if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b))
615    {
616       fprintf (stderr, "MULT16_16_P13: inputs are not short: %d %d\n", a, b);
617 #ifdef FIXED_DEBUG_ASSERT
618       celt_assert(0);
619 #endif
620    }
621    res = ((opus_int64)a)*b;
622    res += 4096;
623    if (!VERIFY_INT(res))
624    {
625       fprintf (stderr, "MULT16_16_P13: overflow: %d*%d=%d\n", a, b, (int)res);
626 #ifdef FIXED_DEBUG_ASSERT
627       celt_assert(0);
628 #endif
629    }
630    res >>= 13;
631    if (!VERIFY_SHORT(res))
632    {
633       fprintf (stderr, "MULT16_16_P13: output is not short: %d*%d=%d\n", a, b, (int)res);
634 #ifdef FIXED_DEBUG_ASSERT
635       celt_assert(0);
636 #endif
637    }
638    celt_mips+=4;
639    return res;
640 }
MULT16_16_P14(int a,int b)641 static OPUS_INLINE short MULT16_16_P14(int a, int b)
642 {
643    opus_int64 res;
644    if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b))
645    {
646       fprintf (stderr, "MULT16_16_P14: inputs are not short: %d %d\n", a, b);
647 #ifdef FIXED_DEBUG_ASSERT
648       celt_assert(0);
649 #endif
650    }
651    res = ((opus_int64)a)*b;
652    res += 8192;
653    if (!VERIFY_INT(res))
654    {
655       fprintf (stderr, "MULT16_16_P14: overflow: %d*%d=%d\n", a, b, (int)res);
656 #ifdef FIXED_DEBUG_ASSERT
657       celt_assert(0);
658 #endif
659    }
660    res >>= 14;
661    if (!VERIFY_SHORT(res))
662    {
663       fprintf (stderr, "MULT16_16_P14: output is not short: %d*%d=%d\n", a, b, (int)res);
664 #ifdef FIXED_DEBUG_ASSERT
665       celt_assert(0);
666 #endif
667    }
668    celt_mips+=4;
669    return res;
670 }
MULT16_16_P15(int a,int b)671 static OPUS_INLINE short MULT16_16_P15(int a, int b)
672 {
673    opus_int64 res;
674    if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b))
675    {
676       fprintf (stderr, "MULT16_16_P15: inputs are not short: %d %d\n", a, b);
677 #ifdef FIXED_DEBUG_ASSERT
678       celt_assert(0);
679 #endif
680    }
681    res = ((opus_int64)a)*b;
682    res += 16384;
683    if (!VERIFY_INT(res))
684    {
685       fprintf (stderr, "MULT16_16_P15: overflow: %d*%d=%d\n", a, b, (int)res);
686 #ifdef FIXED_DEBUG_ASSERT
687       celt_assert(0);
688 #endif
689    }
690    res >>= 15;
691    if (!VERIFY_SHORT(res))
692    {
693       fprintf (stderr, "MULT16_16_P15: output is not short: %d*%d=%d\n", a, b, (int)res);
694 #ifdef FIXED_DEBUG_ASSERT
695       celt_assert(0);
696 #endif
697    }
698    celt_mips+=2;
699    return res;
700 }
701 
702 #define DIV32_16(a, b) DIV32_16_(a, b, __FILE__, __LINE__)
703 
DIV32_16_(opus_int64 a,opus_int64 b,char * file,int line)704 static OPUS_INLINE int DIV32_16_(opus_int64 a, opus_int64 b, char *file, int line)
705 {
706    opus_int64 res;
707    if (b==0)
708    {
709       fprintf(stderr, "DIV32_16: divide by zero: %d/%d in %s: line %d\n", (int)a, (int)b, file, line);
710 #ifdef FIXED_DEBUG_ASSERT
711       celt_assert(0);
712 #endif
713       return 0;
714    }
715    if (!VERIFY_INT(a) || !VERIFY_SHORT(b))
716    {
717       fprintf (stderr, "DIV32_16: inputs are not int/short: %d %d in %s: line %d\n", (int)a, (int)b, file, line);
718 #ifdef FIXED_DEBUG_ASSERT
719       celt_assert(0);
720 #endif
721    }
722    res = a/b;
723    if (!VERIFY_SHORT(res))
724    {
725       fprintf (stderr, "DIV32_16: output is not short: %d / %d = %d in %s: line %d\n", (int)a,(int)b,(int)res, file, line);
726       if (res>32767)
727          res = 32767;
728       if (res<-32768)
729          res = -32768;
730 #ifdef FIXED_DEBUG_ASSERT
731       celt_assert(0);
732 #endif
733    }
734    celt_mips+=35;
735    return res;
736 }
737 
738 #define DIV32(a, b) DIV32_(a, b, __FILE__, __LINE__)
DIV32_(opus_int64 a,opus_int64 b,char * file,int line)739 static OPUS_INLINE int DIV32_(opus_int64 a, opus_int64 b, char *file, int line)
740 {
741    opus_int64 res;
742    if (b==0)
743    {
744       fprintf(stderr, "DIV32: divide by zero: %d/%d in %s: line %d\n", (int)a, (int)b, file, line);
745 #ifdef FIXED_DEBUG_ASSERT
746       celt_assert(0);
747 #endif
748       return 0;
749    }
750 
751    if (!VERIFY_INT(a) || !VERIFY_INT(b))
752    {
753       fprintf (stderr, "DIV32: inputs are not int/short: %d %d in %s: line %d\n", (int)a, (int)b, file, line);
754 #ifdef FIXED_DEBUG_ASSERT
755       celt_assert(0);
756 #endif
757    }
758    res = a/b;
759    if (!VERIFY_INT(res))
760    {
761       fprintf (stderr, "DIV32: output is not int: %d in %s: line %d\n", (int)res, file, line);
762 #ifdef FIXED_DEBUG_ASSERT
763       celt_assert(0);
764 #endif
765    }
766    celt_mips+=70;
767    return res;
768 }
769 
770 #undef PRINT_MIPS
771 #define PRINT_MIPS(file) do {fprintf (file, "total complexity = %llu MIPS\n", celt_mips);} while (0);
772 
773 #endif
774