MagickCore 7.1.1
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quantum-private.h
1/*
2 Copyright @ 1999 ImageMagick Studio LLC, a non-profit organization
3 dedicated to making software imaging solutions freely available.
4
5 You may not use this file except in compliance with the License. You may
6 obtain a copy of the License at
7
8 https://imagemagick.org/script/license.php
9
10 Unless required by applicable law or agreed to in writing, software
11 distributed under the License is distributed on an "AS IS" BASIS,
12 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 See the License for the specific language governing permissions and
14 limitations under the License.
15
16 MagickCore quantum inline methods.
17*/
18#ifndef MAGICKCORE_QUANTUM_PRIVATE_H
19#define MAGICKCORE_QUANTUM_PRIVATE_H
20
21#include "MagickCore/memory_.h"
22#include "MagickCore/cache.h"
23#include "MagickCore/image-private.h"
24#include "MagickCore/pixel-accessor.h"
25
26#if defined(__cplusplus) || defined(c_plusplus)
27extern "C" {
28#endif
29
30typedef struct _QuantumState
31{
32 double
33 inverse_scale;
34
35 unsigned int
36 pixel;
37
38 size_t
39 bits;
40
41 const unsigned int
42 *mask;
43} QuantumState;
44
45struct _QuantumInfo
46{
47 size_t
48 depth,
49 quantum;
50
51 QuantumFormatType
52 format;
53
54 double
55 minimum,
56 maximum,
57 scale;
58
59 size_t
60 pad;
61
62 MagickBooleanType
63 min_is_white,
64 pack;
65
66 QuantumAlphaType
67 alpha_type;
68
69 size_t
70 number_threads;
71
72 MemoryInfo
73 **pixels;
74
75 size_t
76 extent;
77
78 EndianType
79 endian;
80
81 QuantumState
82 state;
83
84 SemaphoreInfo
85 *semaphore;
86
87 size_t
88 signature;
89};
90
91extern MagickPrivate void
92 ResetQuantumState(QuantumInfo *);
93
94static inline MagickSizeType GetQuantumRange(const size_t depth)
95{
96 MagickSizeType
97 one;
98
99 size_t
100 max_depth;
101
102 if (depth == 0)
103 return(0);
104 one=1;
105 max_depth=8*sizeof(MagickSizeType);
106 return((MagickSizeType) ((one << (MagickMin(depth,max_depth)-1))+
107 ((one << (MagickMin(depth,max_depth)-1))-1)));
108}
109
110static inline float HalfToSinglePrecision(const unsigned short half)
111{
112#define ExponentBias (127-15)
113#define ExponentMask (0x7c00U)
114#define ExponentShift 23
115#define SignBitShift 31
116#define SignificandShift 13
117#define SignificandMask (0x00000400U)
118
119 typedef union _SinglePrecision
120 {
121 unsigned int
122 fixed_point;
123
124 float
125 single_precision;
126 } SinglePrecision;
127
128 SinglePrecision
129 map;
130
131 unsigned int
132 exponent,
133 significand,
134 sign_bit,
135 value;
136
137 /*
138 The IEEE 754 standard specifies half precision as having:
139
140 Sign bit: 1 bit
141 Exponent width: 5 bits
142 Significand precision: 11 (10 explicitly stored)
143 */
144 sign_bit=(unsigned int) ((half >> 15) & 0x00000001);
145 exponent=(unsigned int) ((half >> 10) & 0x0000001f);
146 significand=(unsigned int) (half & 0x000003ff);
147 if (exponent == 0)
148 {
149 if (significand == 0)
150 value=sign_bit << SignBitShift;
151 else
152 {
153 while ((significand & SignificandMask) == 0)
154 {
155 significand<<=1;
156 exponent--;
157 }
158 exponent++;
159 significand&=(~SignificandMask);
160 exponent+=ExponentBias;
161 value=(sign_bit << SignBitShift) | (exponent << ExponentShift) |
162 (significand << SignificandShift);
163 }
164 }
165 else
166 if (exponent == SignBitShift)
167 {
168 value=(sign_bit << SignBitShift) | 0x7f800000;
169 if (significand != 0)
170 value|=(significand << SignificandShift);
171 }
172 else
173 {
174 exponent+=ExponentBias;
175 significand<<=SignificandShift;
176 value=(sign_bit << SignBitShift) | (exponent << ExponentShift) |
177 significand;
178 }
179 map.fixed_point=value;
180 return(map.single_precision);
181}
182
183static inline unsigned char *PopCharPixel(const unsigned char pixel,
184 unsigned char *magick_restrict pixels)
185{
186 *pixels++=pixel;
187 return(pixels);
188}
189
190static inline unsigned char *PopLongPixel(const EndianType endian,
191 const unsigned int pixel,unsigned char *magick_restrict pixels)
192{
193 unsigned int
194 quantum;
195
196 quantum=(unsigned int) pixel;
197 if (endian == LSBEndian)
198 {
199 *pixels++=(unsigned char) (quantum);
200 *pixels++=(unsigned char) (quantum >> 8);
201 *pixels++=(unsigned char) (quantum >> 16);
202 *pixels++=(unsigned char) (quantum >> 24);
203 return(pixels);
204 }
205 *pixels++=(unsigned char) (quantum >> 24);
206 *pixels++=(unsigned char) (quantum >> 16);
207 *pixels++=(unsigned char) (quantum >> 8);
208 *pixels++=(unsigned char) (quantum);
209 return(pixels);
210}
211
212static inline unsigned char *PopShortPixel(const EndianType endian,
213 const unsigned short pixel,unsigned char *magick_restrict pixels)
214{
215 unsigned int
216 quantum;
217
218 quantum=pixel;
219 if (endian == LSBEndian)
220 {
221 *pixels++=(unsigned char) (quantum);
222 *pixels++=(unsigned char) (quantum >> 8);
223 return(pixels);
224 }
225 *pixels++=(unsigned char) (quantum >> 8);
226 *pixels++=(unsigned char) (quantum);
227 return(pixels);
228}
229
230static inline const unsigned char *PushCharPixel(
231 const unsigned char *magick_restrict pixels,
232 unsigned char *magick_restrict pixel)
233{
234 *pixel=(*pixels++);
235 return(pixels);
236}
237
238static inline const unsigned char *PushLongPixel(const EndianType endian,
239 const unsigned char *magick_restrict pixels,
240 unsigned int *magick_restrict pixel)
241{
242 unsigned int
243 quantum;
244
245 if (endian == LSBEndian)
246 {
247 quantum=((unsigned int) *pixels++);
248 quantum|=((unsigned int) *pixels++ << 8);
249 quantum|=((unsigned int) *pixels++ << 16);
250 quantum|=((unsigned int) *pixels++ << 24);
251 *pixel=quantum;
252 return(pixels);
253 }
254 quantum=((unsigned int) *pixels++ << 24);
255 quantum|=((unsigned int) *pixels++ << 16);
256 quantum|=((unsigned int) *pixels++ << 8);
257 quantum|=((unsigned int) *pixels++);
258 *pixel=quantum;
259 return(pixels);
260}
261
262static inline const unsigned char *PushShortPixel(const EndianType endian,
263 const unsigned char *magick_restrict pixels,
264 unsigned short *magick_restrict pixel)
265{
266 unsigned int
267 quantum;
268
269 if (endian == LSBEndian)
270 {
271 quantum=(unsigned int) *pixels++;
272 quantum|=(unsigned int) (*pixels++ << 8);
273 *pixel=(unsigned short) (quantum & 0xffff);
274 return(pixels);
275 }
276 quantum=(unsigned int) (*pixels++ << 8);
277 quantum|=(unsigned int) *pixels++;
278 *pixel=(unsigned short) (quantum & 0xffff);
279 return(pixels);
280}
281
282static inline const unsigned char *PushFloatPixel(const EndianType endian,
283 const unsigned char *magick_restrict pixels,
284 MagickFloatType *magick_restrict pixel)
285{
286 union
287 {
288 unsigned int
289 unsigned_value;
290
291 MagickFloatType
292 float_value;
293 } quantum;
294
295 if (endian == LSBEndian)
296 {
297 quantum.unsigned_value=((unsigned int) *pixels++);
298 quantum.unsigned_value|=((unsigned int) *pixels++ << 8);
299 quantum.unsigned_value|=((unsigned int) *pixels++ << 16);
300 quantum.unsigned_value|=((unsigned int) *pixels++ << 24);
301 *pixel=quantum.float_value;
302 return(pixels);
303 }
304 quantum.unsigned_value=((unsigned int) *pixels++ << 24);
305 quantum.unsigned_value|=((unsigned int) *pixels++ << 16);
306 quantum.unsigned_value|=((unsigned int) *pixels++ << 8);
307 quantum.unsigned_value|=((unsigned int) *pixels++);
308 *pixel=quantum.float_value;
309 return(pixels);
310}
311
312static inline Quantum ScaleAnyToQuantum(const QuantumAny quantum,
313 const QuantumAny range)
314{
315 if (quantum > range)
316 return(QuantumRange);
317#if !defined(MAGICKCORE_HDRI_SUPPORT)
318 return((Quantum) ((double) QuantumRange*(quantum*
319 PerceptibleReciprocal((double) range))+0.5));
320#else
321 return((Quantum) ((double) QuantumRange*(quantum*
322 PerceptibleReciprocal((double) range))));
323#endif
324}
325
326static inline QuantumAny ScaleQuantumToAny(const Quantum quantum,
327 const QuantumAny range)
328{
329#if !defined(MAGICKCORE_HDRI_SUPPORT)
330 return((QuantumAny) ((double) range*quantum/QuantumRange));
331#else
332 if ((IsNaN(quantum) != 0) || (quantum <= 0.0f))
333 return((QuantumAny) 0UL);
334 if ((range*(double) quantum/(double) QuantumRange) >= 18446744073709551615.0)
335 return((QuantumAny) MagickULLConstant(18446744073709551615));
336 return((QuantumAny) (range*(double) quantum/(double) QuantumRange+0.5));
337#endif
338}
339
340#if (MAGICKCORE_QUANTUM_DEPTH == 8)
341static inline Quantum ScaleCharToQuantum(const unsigned char value)
342{
343 return((Quantum) value);
344}
345
346static inline Quantum ScaleLongToQuantum(const unsigned int value)
347{
348#if !defined(MAGICKCORE_HDRI_SUPPORT)
349 return((Quantum) ((value)/16843009UL));
350#else
351 return((Quantum) (value/16843009.0));
352#endif
353}
354
355static inline Quantum ScaleLongLongToQuantum(const MagickSizeType value)
356{
357#if !defined(MAGICKCORE_HDRI_SUPPORT)
358 return((Quantum) (value/MagickULLConstant(72340172838076673)));
359#else
360 return((Quantum) (value/72340172838076673.0));
361#endif
362}
363
364static inline Quantum ScaleMapToQuantum(const MagickRealType value)
365{
366 if (value <= 0.0)
367 return((Quantum) 0);
368 if (value >= MaxMap)
369 return(QuantumRange);
370#if !defined(MAGICKCORE_HDRI_SUPPORT)
371 return((Quantum) (value+0.5));
372#else
373 return((Quantum) value);
374#endif
375}
376
377static inline unsigned int ScaleQuantumToLong(const Quantum quantum)
378{
379#if !defined(MAGICKCORE_HDRI_SUPPORT)
380 return((unsigned int) (16843009UL*quantum));
381#else
382 if ((IsNaN(quantum) != 0) || (quantum <= 0.0))
383 return(0U);
384 if ((16843009.0*quantum) >= 4294967295.0)
385 return(4294967295UL);
386 return((unsigned int) (16843009.0*quantum+0.5));
387#endif
388}
389
390static inline MagickSizeType ScaleQuantumToLongLong(const Quantum quantum)
391{
392#if !defined(MAGICKCORE_HDRI_SUPPORT)
393 return((MagickSizeType) (MagickULLConstant(72340172838076673)*quantum));
394#else
395 if ((IsNaN(quantum) != 0) || (quantum <= 0.0))
396 return(0UL);
397 if ((72340172838076673.0*quantum) >= 18446744073709551615.0)
398 return(MagickULLConstant(18446744073709551615));
399 return((MagickSizeType) (72340172838076673.0*quantum+0.5));
400#endif
401}
402
403static inline unsigned int ScaleQuantumToMap(const Quantum quantum)
404{
405 if (quantum >= (Quantum) MaxMap)
406 return((unsigned int) MaxMap);
407#if !defined(MAGICKCORE_HDRI_SUPPORT)
408 return((unsigned int) quantum);
409#else
410 if ((IsNaN(quantum) != 0) || (quantum <= 0.0))
411 return(0U);
412 return((unsigned int) (quantum+0.5));
413#endif
414}
415
416static inline unsigned short ScaleQuantumToShort(const Quantum quantum)
417{
418#if !defined(MAGICKCORE_HDRI_SUPPORT)
419 return((unsigned short) (257UL*quantum));
420#else
421 if ((IsNaN(quantum) != 0) || (quantum <= 0.0))
422 return(0);
423 if ((257.0*quantum) >= 65535.0)
424 return(65535);
425 return((unsigned short) (257.0*quantum+0.5));
426#endif
427}
428
429static inline Quantum ScaleShortToQuantum(const unsigned short value)
430{
431#if !defined(MAGICKCORE_HDRI_SUPPORT)
432 return((Quantum) ((value+128U)/257U));
433#else
434 return((Quantum) (value/257.0));
435#endif
436}
437#elif (MAGICKCORE_QUANTUM_DEPTH == 16)
438static inline Quantum ScaleCharToQuantum(const unsigned char value)
439{
440#if !defined(MAGICKCORE_HDRI_SUPPORT)
441 return((Quantum) (257U*value));
442#else
443 return((Quantum) (257.0*value));
444#endif
445}
446
447static inline Quantum ScaleLongToQuantum(const unsigned int value)
448{
449#if !defined(MAGICKCORE_HDRI_SUPPORT)
450 return((Quantum) ((value)/MagickULLConstant(65537)));
451#else
452 return((Quantum) (value/65537.0));
453#endif
454}
455
456static inline Quantum ScaleLongLongToQuantum(const MagickSizeType value)
457{
458#if !defined(MAGICKCORE_HDRI_SUPPORT)
459 return((Quantum) ((value)/MagickULLConstant(281479271743489)));
460#else
461 return((Quantum) (value/281479271743489.0));
462#endif
463}
464
465static inline Quantum ScaleMapToQuantum(const MagickRealType value)
466{
467 if (value <= 0.0)
468 return((Quantum) 0);
469 if (value >= MaxMap)
470 return(QuantumRange);
471#if !defined(MAGICKCORE_HDRI_SUPPORT)
472 return((Quantum) (value+0.5));
473#else
474 return((Quantum) value);
475#endif
476}
477
478static inline unsigned int ScaleQuantumToLong(const Quantum quantum)
479{
480#if !defined(MAGICKCORE_HDRI_SUPPORT)
481 return((unsigned int) (65537UL*quantum));
482#else
483 if ((IsNaN(quantum) != 0) || (quantum <= 0.0f))
484 return(0U);
485 if ((65537.0*(double) quantum) >= 4294967295.0)
486 return(4294967295U);
487 return((unsigned int) (65537.0*(double) quantum+0.5));
488#endif
489}
490
491static inline MagickSizeType ScaleQuantumToLongLong(const Quantum quantum)
492{
493#if !defined(MAGICKCORE_HDRI_SUPPORT)
494 return((MagickSizeType) (MagickULLConstant(281479271743489)*quantum));
495#else
496 if ((IsNaN(quantum) != 0) || (quantum <= 0.0f))
497 return(0UL);
498 if ((281479271743489.0*(double) quantum) >= 18446744073709551615.0)
499 return(MagickULLConstant(18446744073709551615));
500 return((MagickSizeType) (281479271743489.0*(double) quantum+0.5));
501#endif
502}
503
504static inline unsigned int ScaleQuantumToMap(const Quantum quantum)
505{
506 if (quantum >= (Quantum) MaxMap)
507 return((unsigned int) MaxMap);
508#if !defined(MAGICKCORE_HDRI_SUPPORT)
509 return((unsigned int) quantum);
510#else
511 if ((IsNaN(quantum) != 0) || (quantum <= 0.0f))
512 return(0U);
513 return((unsigned int) (quantum+0.5f));
514#endif
515}
516
517static inline unsigned short ScaleQuantumToShort(const Quantum quantum)
518{
519#if !defined(MAGICKCORE_HDRI_SUPPORT)
520 return((unsigned short) quantum);
521#else
522 if ((IsNaN(quantum) != 0) || (quantum <= 0.0f))
523 return(0);
524 if (quantum >= 65535.0f)
525 return(65535);
526 return((unsigned short) (quantum+0.5f));
527#endif
528}
529
530static inline Quantum ScaleShortToQuantum(const unsigned short value)
531{
532 return((Quantum) value);
533}
534#elif (MAGICKCORE_QUANTUM_DEPTH == 32)
535static inline Quantum ScaleCharToQuantum(const unsigned char value)
536{
537#if !defined(MAGICKCORE_HDRI_SUPPORT)
538 return((Quantum) (16843009UL*value));
539#else
540 return((Quantum) (16843009.0*value));
541#endif
542}
543
544static inline Quantum ScaleLongToQuantum(const unsigned int value)
545{
546 return((Quantum) value);
547}
548
549static inline Quantum ScaleLongLongToQuantum(const MagickSizeType value)
550{
551#if !defined(MAGICKCORE_HDRI_SUPPORT)
552 return((Quantum) ((value)/MagickULLConstant(4294967297)));
553#else
554 return((Quantum) (value/4294967297.0));
555#endif
556}
557
558static inline Quantum ScaleMapToQuantum(const MagickRealType value)
559{
560 if (value <= 0.0)
561 return((Quantum) 0);
562 if (value >= (Quantum) MaxMap)
563 return(QuantumRange);
564#if !defined(MAGICKCORE_HDRI_SUPPORT)
565 return((Quantum) (65537.0*value+0.5));
566#else
567 return((Quantum) (65537.0*value));
568#endif
569}
570
571static inline unsigned int ScaleQuantumToLong(const Quantum quantum)
572{
573#if !defined(MAGICKCORE_HDRI_SUPPORT)
574 return((unsigned int) quantum);
575#else
576 if ((IsNaN(quantum) != 0) || (quantum <= 0.0))
577 return(0U);
578 if ((quantum) >= 4294967295.0)
579 return(4294967295);
580 return((unsigned int) (quantum+0.5));
581#endif
582}
583
584static inline MagickSizeType ScaleQuantumToLongLong(const Quantum quantum)
585{
586#if !defined(MAGICKCORE_HDRI_SUPPORT)
587 return((MagickSizeType) (MagickULLConstant(4294967297)*quantum));
588#else
589 if ((IsNaN(quantum) != 0) || (quantum <= 0.0))
590 return(0UL);
591 if ((4294967297.0*quantum) >= 18446744073709551615.0)
592 return(MagickULLConstant(18446744073709551615));
593 return((MagickSizeType) (4294967297.0*quantum+0.5));
594#endif
595}
596
597static inline unsigned int ScaleQuantumToMap(const Quantum quantum)
598{
599 if ((quantum/65537) >= (Quantum) MaxMap)
600 return((unsigned int) MaxMap);
601#if !defined(MAGICKCORE_HDRI_SUPPORT)
602 return((unsigned int) ((quantum+MagickULLConstant(32768))/
603 MagickULLConstant(65537)));
604#else
605 if ((IsNaN(quantum) != 0) || (quantum <= 0.0))
606 return(0U);
607 return((unsigned int) (quantum/65537.0+0.5));
608#endif
609}
610
611static inline unsigned short ScaleQuantumToShort(const Quantum quantum)
612{
613#if !defined(MAGICKCORE_HDRI_SUPPORT)
614 return((unsigned short) ((quantum+MagickULLConstant(32768))/
615 MagickULLConstant(65537)));
616#else
617 if ((IsNaN(quantum) != 0) || (quantum <= 0.0))
618 return(0);
619 if ((quantum/65537.0) >= 65535.0)
620 return(65535);
621 return((unsigned short) (quantum/65537.0+0.5));
622#endif
623}
624
625static inline Quantum ScaleShortToQuantum(const unsigned short value)
626{
627#if !defined(MAGICKCORE_HDRI_SUPPORT)
628 return((Quantum) (65537UL*value));
629#else
630 return((Quantum) (65537.0*value));
631#endif
632}
633#elif (MAGICKCORE_QUANTUM_DEPTH == 64)
634static inline Quantum ScaleCharToQuantum(const unsigned char value)
635{
636 return((Quantum) (72340172838076673.0*value));
637}
638
639static inline Quantum ScaleLongToQuantum(const unsigned int value)
640{
641 return((Quantum) (4294967297.0*value));
642}
643
644static inline Quantum ScaleLongLongToQuantum(const MagickSizeType value)
645{
646 return((Quantum) (value));
647}
648
649static inline Quantum ScaleMapToQuantum(const MagickRealType value)
650{
651 if (value <= 0.0)
652 return((Quantum) 0);
653 if (value >= MaxMap)
654 return(QuantumRange);
655 return((Quantum) (281479271743489.0*value));
656}
657
658static inline unsigned int ScaleQuantumToLong(const Quantum quantum)
659{
660 return((unsigned int) (quantum/4294967297.0+0.5));
661}
662
663static inline MagickSizeType ScaleQuantumToLongLong(const Quantum quantum)
664{
665#if !defined(MAGICKCORE_HDRI_SUPPORT)
666 return((MagickSizeType) quantum);
667#else
668 if ((IsNaN(quantum) != 0) || (quantum <= 0.0))
669 return(0UL);
670 if (quantum >= 18446744073709551615.0)
671 return(MagickULLConstant(18446744073709551615));
672 return((MagickSizeType) (quantum+0.5));
673#endif
674}
675
676static inline unsigned int ScaleQuantumToMap(const Quantum quantum)
677{
678 if ((IsNaN(quantum) != 0) || (quantum <= 0.0))
679 return(0U);
680 if ((quantum/281479271743489.0) >= MaxMap)
681 return((unsigned int) MaxMap);
682 return((unsigned int) (quantum/281479271743489.0+0.5));
683}
684
685static inline unsigned short ScaleQuantumToShort(const Quantum quantum)
686{
687 if ((IsNaN(quantum) != 0) || (quantum <= 0.0))
688 return(0);
689 if ((quantum/281479271743489.0) >= 65535.0)
690 return(65535);
691 return((unsigned short) (quantum/281479271743489.0+0.5));
692}
693
694static inline Quantum ScaleShortToQuantum(const unsigned short value)
695{
696 return((Quantum) (281479271743489.0*value));
697}
698#endif
699
700static inline unsigned short SinglePrecisionToHalf(const float value)
701{
702 typedef union _SinglePrecision
703 {
704 unsigned int
705 fixed_point;
706
707 float
708 single_precision;
709 } SinglePrecision;
710
711 int
712 exponent;
713
714 SinglePrecision
715 map;
716
717 unsigned int
718 significand,
719 sign_bit;
720
721 unsigned short
722 half;
723
724 /*
725 The IEEE 754 standard specifies half precision as having:
726
727 Sign bit: 1 bit
728 Exponent width: 5 bits
729 Significand precision: 11 (10 explicitly stored)
730 */
731 map.single_precision=value;
732 sign_bit=(map.fixed_point >> 16) & 0x00008000;
733 exponent=(int) ((map.fixed_point >> ExponentShift) & 0x000000ff)-ExponentBias;
734 significand=map.fixed_point & 0x007fffff;
735 if (exponent <= 0)
736 {
737 int
738 shift;
739
740 if (exponent < -10)
741 return((unsigned short) sign_bit);
742 significand=significand | 0x00800000;
743 shift=(int) (14-exponent);
744 significand=(unsigned int) ((significand+((1U << (shift-1))-1)+
745 ((significand >> shift) & 0x01)) >> shift);
746 return((unsigned short) (sign_bit | significand));
747 }
748 else
749 if (exponent == (0xff-ExponentBias))
750 {
751 if (significand == 0)
752 return((unsigned short) (sign_bit | ExponentMask));
753 else
754 {
755 significand>>=SignificandShift;
756 half=(unsigned short) (sign_bit | significand |
757 (significand == 0) | ExponentMask);
758 return(half);
759 }
760 }
761 significand=significand+((significand >> SignificandShift) & 0x01)+0x00000fff;
762 if ((significand & 0x00800000) != 0)
763 {
764 significand=0;
765 exponent++;
766 }
767 if (exponent > 30)
768 {
769 float
770 alpha;
771
772 int
773 i;
774
775 /*
776 Float overflow.
777 */
778 alpha=1.0e10;
779 for (i=0; i < 10; i++)
780 alpha*=alpha;
781 return((unsigned short) (sign_bit | ExponentMask));
782 }
783 half=(unsigned short) (sign_bit | ((unsigned int) exponent << 10) |
784 (significand >> SignificandShift));
785 return(half);
786}
787
788#if defined(__cplusplus) || defined(c_plusplus)
789}
790#endif
791
792#endif
_MemoryInfo
Definition memory.c:164
_QuantumInfo
Definition quantum-private.h:46
_QuantumState
Definition quantum-private.h:31