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<a name="l00542"></a><a class="code" href="group__g726__section4.html#ga23">00542</a> <span class="keyword">inline</span> <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="group__g726__section4.html#ga23">FLOATA</a>(<a class="code" href="group__integers.html#ga6">uint</a> DQ, <a class="code" href="group__integers.html#ga6">uint</a>& DQ0)<a name="l00543"></a>00543 {<a name="l00544"></a>00544 <a class="code" href="group__g726__section4m.html#ga0">CHECK_SM</a>(DQ,16);<a name="l00545"></a>00545 <a class="code" href="group__integers.html#ga6">uint</a> DQS = (DQ>>15);<a name="l00546"></a>00546 <a class="code" href="group__integers.html#ga6">uint</a> MAG = DQ&32767;<a name="l00547"></a>00547 <a class="code" href="group__integers.html#ga6">uint</a> EXP;<a name="l00548"></a>00548 <a class="code" href="group__integers.html#ga6">uint</a> MANT;<a name="l00549"></a>00549 <a class="code" href="group__g726__section4.html#ga22">MagToFloat</a>(MAG,EXP,MANT);<a name="l00550"></a>00550 DQ0 = (DQS<<10) + (EXP<<6) + MANT;<a name="l00551"></a>00551 <a class="code" href="group__g726__section4m.html#ga3">CHECK_FL</a>(DQ0,11);<a name="l00552"></a>00552 }<a name="l00553"></a>00553 <a name="l00554"></a>00554 <a name="l00558"></a><a class="code" href="group__g726__section4.html#ga24">00558</a> <span class="keyword">inline</span> <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="group__g726__section4.html#ga24">FLOATB</a>(<span class="keywordtype">int</span> SR, <a class="code" href="group__integers.html#ga6">uint</a>& SR0)<a name="l00559"></a>00559 {<a name="l00560"></a>00560 <a class="code" href="group__g726__section4m.html#ga2">CHECK_TC</a>(SR,16);<a name="l00561"></a>00561 <a class="code" href="group__integers.html#ga6">uint</a> SRS = (SR>>15)&1;<a name="l00562"></a>00562 <a class="code" href="group__integers.html#ga6">uint</a> MAG = SRS ? (-SR)&32767 : SR;<a name="l00563"></a>00563 <a class="code" href="group__integers.html#ga6">uint</a> EXP;<a name="l00564"></a>00564 <a class="code" href="group__integers.html#ga6">uint</a> MANT;<a name="l00565"></a>00565 <a class="code" href="group__g726__section4.html#ga22">MagToFloat</a>(MAG,EXP,MANT);<a name="l00566"></a>00566 SR0 = (SRS<<10) + (EXP<<6) + MANT;<a name="l00567"></a>00567 <a class="code" href="group__g726__section4m.html#ga3">CHECK_FL</a>(SR0,11);<a name="l00568"></a>00568 }<a name="l00569"></a>00569 <a name="l00570"></a>00570 <a name="l00574"></a><a class="code" href="group__g726__section4.html#ga25">00574</a> <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="group__g726__section4.html#ga25">FMULT</a>(<span class="keywordtype">int</span> An,<a class="code" href="group__integers.html#ga6">uint</a> SRn,<span class="keywordtype">int</span>& WAn)<a name="l00575"></a>00575 {<a name="l00576"></a>00576 <a class="code" href="group__g726__section4m.html#ga2">CHECK_TC</a>(An,16);<a name="l00577"></a>00577 <a class="code" href="group__g726__section4m.html#ga3">CHECK_FL</a>(SRn,11);<a name="l00578"></a>00578 <a class="code" href="group__integers.html#ga6">uint</a> AnS = (An>>15)&1;<a name="l00579"></a>00579 <a class="code" href="group__integers.html#ga6">uint</a> AnMAG = AnS ? (-(An>>2))&8191 : An>>2;<a name="l00580"></a>00580 <a class="code" href="group__integers.html#ga6">uint</a> AnEXP;<a name="l00581"></a>00581 <a class="code" href="group__integers.html#ga6">uint</a> AnMANT;<a name="l00582"></a>00582 <a class="code" href="group__g726__section4.html#ga22">MagToFloat</a>(AnMAG,AnEXP,AnMANT);<a name="l00583"></a>00583 <a name="l00584"></a>00584 <a class="code" href="group__integers.html#ga6">uint</a> SRnS = SRn>>10;<a name="l00585"></a>00585 <a class="code" href="group__integers.html#ga6">uint</a> SRnEXP = (SRn>>6) & 15;<a name="l00586"></a>00586 <a class="code" href="group__integers.html#ga6">uint</a> SRnMANT = SRn&63;<a name="l00587"></a>00587 <a name="l00588"></a>00588 <a class="code" href="group__integers.html#ga6">uint</a> WAnS = SRnS^AnS;<a name="l00589"></a>00589 <a class="code" href="group__integers.html#ga6">uint</a> WAnEXP = SRnEXP+AnEXP;<a name="l00590"></a>00590 <a class="code" href="group__integers.html#ga6">uint</a> WAnMANT = ((SRnMANT*AnMANT)+48)>>4;<a name="l00591"></a>00591 <a class="code" href="group__integers.html#ga6">uint</a> WAnMAG;<a name="l00592"></a>00592 <span class="keywordflow">if</span>(WAnEXP<=26)<a name="l00593"></a>00593 WAnMAG = (WAnMANT<<7) >> (26-WAnEXP);<a name="l00594"></a>00594 <span class="keywordflow">else</span><a name="l00595"></a>00595 WAnMAG = ((WAnMANT<<7) << (WAnEXP-26)) & 32767;<a name="l00596"></a>00596 WAn = WAnS ? -(int)WAnMAG : WAnMAG;<a name="l00597"></a>00597 <a class="code" href="group__g726__section4m.html#ga2">CHECK_TC</a>(WAn,16);<a name="l00598"></a>00598 }<a name="l00599"></a>00599 <a name="l00600"></a>00600 <a name="l00604"></a><a class="code" href="group__g726__section4.html#ga26">00604</a> <span class="keyword">inline</span> <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="group__g726__section4.html#ga26">LIMC</a>(<span class="keywordtype">int</span> A2T,<span class="keywordtype">int</span>& A2P)<a name="l00605"></a>00605 {<a name="l00606"></a>00606 <a class="code" href="group__g726__section4m.html#ga2">CHECK_TC</a>(A2T,16);<a name="l00607"></a>00607 <span class="keyword">const</span> <span class="keywordtype">int</span> A2UL = 12288;<a name="l00608"></a>00608 <span class="keyword">const</span> <span class="keywordtype">int</span> A2LL = 53248-65536;<a name="l00609"></a>00609 <span class="keywordflow">if</span>(A2T<=A2LL)<a name="l00610"></a>00610 A2P = A2LL;<a name="l00611"></a>00611 <span class="keywordflow">else</span> <span class="keywordflow">if</span>(A2T>=A2UL)<a name="l00612"></a>00612 A2P = A2UL;<a name="l00613"></a>00613 <span class="keywordflow">else</span><a name="l00614"></a>00614 A2P = A2T;<a name="l00615"></a>00615 <a class="code" href="group__g726__section4m.html#ga2">CHECK_TC</a>(A2P,16);<a name="l00616"></a>00616 }<a name="l00617"></a>00617 <a name="l00618"></a>00618 <a name="l00622"></a><a class="code" href="group__g726__section4.html#ga27">00622</a> <span class="keyword">inline</span> <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="group__g726__section4.html#ga27">LIMD</a>(<span class="keywordtype">int</span> A1T,<span class="keywordtype">int</span> A2P,<span class="keywordtype">int</span>& A1P)<a name="l00623"></a>00623 {<a name="l00624"></a>00624 <a class="code" href="group__g726__section4m.html#ga2">CHECK_TC</a>(A1T,16);<a name="l00625"></a>00625 <a class="code" href="group__g726__section4m.html#ga2">CHECK_TC</a>(A2P,16);<a name="l00626"></a>00626 <span class="keyword">const</span> <span class="keywordtype">int</span> OME = 15360;<a name="l00627"></a>00627 <span class="keywordtype">int</span> A1UL = (<a class="code" href="group__integers.html#ga4">int16</a>)(OME-A2P);<a name="l00628"></a>00628 <span class="keywordtype">int</span> A1LL = (<a class="code" href="group__integers.html#ga4">int16</a>)(A2P-OME);<a name="l00629"></a>00629 <span class="keywordflow">if</span>(A1T<=A1LL)<a name="l00630"></a>00630 A1P = A1LL;<a name="l00631"></a>00631 <span class="keywordflow">else</span> <span class="keywordflow">if</span>(A1T>=A1UL)<a name="l00632"></a>00632 A1P = A1UL;<a name="l00633"></a>00633 <span class="keywordflow">else</span><a name="l00634"></a>00634 A1P = A1T;<a name="l00635"></a>00635 <a class="code" href="group__g726__section4m.html#ga2">CHECK_TC</a>(A1P,16);<a name="l00636"></a>00636 }<a name="l00637"></a>00637 <a name="l00638"></a>00638 <a name="l00642"></a><a class="code" href="group__g726__section4.html#ga28">00642</a> <span class="keyword">inline</span> <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="group__g726__section4.html#ga28">TRIGB</a>(<a class="code" href="group__integers.html#ga6">uint</a> TR,<span class="keywordtype">int</span> AnP,<span class="keywordtype">int</span>& AnR)<a name="l00643"></a>00643 {<a name="l00644"></a>00644 <a class="code" href="group__g726__section4m.html#ga4">CHECK_UNSIGNED</a>(TR,1);<a name="l00645"></a>00645 <a class="code" href="group__g726__section4m.html#ga2">CHECK_TC</a>(AnP,16);<a name="l00646"></a>00646 AnR = TR ? 0 : AnP;<a name="l00647"></a>00647 <a class="code" href="group__g726__section4m.html#ga2">CHECK_TC</a>(AnR,16);<a name="l00648"></a>00648 }<a name="l00649"></a>00649 <a name="l00650"></a>00650 <a name="l00654"></a><a class="code" href="group__g726__section4.html#ga29">00654</a> <span class="keyword">inline</span> <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="group__g726__section4.html#ga29">UPA1</a>(<span class="keywordtype">int</span> PK0,<span class="keywordtype">int</span> PK1,<span class="keywordtype">int</span> A1,<a class="code" href="group__integers.html#ga6">uint</a> SIGPK,<span class="keywordtype">int</span>& A1T)<a name="l00655"></a>00655 {<a name="l00656"></a>00656 <a class="code" href="group__g726__section4m.html#ga2">CHECK_TC</a>(PK0,1);<a name="l00657"></a>00657 <a class="code" href="group__g726__section4m.html#ga2">CHECK_TC</a>(PK1,1);<a name="l00658"></a>00658 <a class="code" href="group__g726__section4m.html#ga2">CHECK_TC</a>(A1,16);<a name="l00659"></a>00659 <a class="code" href="group__g726__section4m.html#ga4">CHECK_UNSIGNED</a>(SIGPK,1);<a name="l00660"></a>00660 <span class="keywordtype">int</span> UGA1;<a name="l00661"></a>00661 <span class="keywordflow">if</span>(SIGPK==0)<a name="l00662"></a>00662 {<a name="l00663"></a>00663 <span class="keywordflow">if</span>(PK0^PK1)<a name="l00664"></a>00664 UGA1 = -192;<a name="l00665"></a>00665 <span class="keywordflow">else</span><a name="l00666"></a>00666 UGA1 = 192;<a name="l00667"></a>00667 }<a name="l00668"></a>00668 <span class="keywordflow">else</span><a name="l00669"></a>00669 UGA1 = 0;<a name="l00670"></a>00670 A1T = (<a class="code" href="group__integers.html#ga4">int16</a>)(A1+UGA1-(A1>>8));<a name="l00671"></a>00671 <a class="code" href="group__g726__section4m.html#ga2">CHECK_TC</a>(A1T,16);<a name="l00672"></a>00672 }<a name="l00673"></a>00673 <a name="l00674"></a>00674 <a name="l00678"></a><a class="code" href="group__g726__section4.html#ga30">00678</a> <span class="keyword">inline</span> <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="group__g726__section4.html#ga30">UPA2</a>(<span class="keywordtype">int</span> PK0,<span class="keywordtype">int</span> PK1,<span class="keywordtype">int</span> PK2,<span class="keywordtype">int</span> A1,<span class="keywordtype">int</span> A2,<a class="code" href="group__integers.html#ga6">uint</a> SIGPK,<span class="keywordtype">int</span>& A2T)<a name="l00679"></a>00679 {<a name="l00680"></a>00680 <a class="code" href="group__g726__section4m.html#ga2">CHECK_TC</a>(PK0,1);<a name="l00681"></a>00681 <a class="code" href="group__g726__section4m.html#ga2">CHECK_TC</a>(PK1,1);<a name="l00682"></a>00682 <a class="code" href="group__g726__section4m.html#ga2">CHECK_TC</a>(PK2,1);<a name="l00683"></a>00683 <a class="code" href="group__g726__section4m.html#ga2">CHECK_TC</a>(A1,16);<a name="l00684"></a>00684 <a class="code" href="group__g726__section4m.html#ga2">CHECK_TC</a>(A2,16);<a name="l00685"></a>00685 <a class="code" href="group__g726__section4m.html#ga4">CHECK_UNSIGNED</a>(SIGPK,1);<a name="l00686"></a>00686 <a name="l00687"></a>00687 <a class="code" href="group__integers.html#ga6">uint</a> UGA2;<a name="l00688"></a>00688 <span class="keywordflow">if</span>(SIGPK==0)<a name="l00689"></a>00689 {<a name="l00690"></a>00690 <span class="keywordtype">int</span> UGA2A = (PK0^PK2) ? -16384 : 16384;<a name="l00691"></a>00691 <a name="l00692"></a>00692 <span class="keywordtype">int</span> FA1;<a name="l00693"></a>00693 <span class="keywordflow">if</span>(A1<-8191) FA1 = -8191<<2;<a name="l00694"></a>00694 <span class="keywordflow">else</span> <span class="keywordflow">if</span>(A1>8191) FA1 = 8191<<2;<a name="l00695"></a>00695 <span class="keywordflow">else</span> FA1 = A1<<2;<a name="l00696"></a>00696 <a name="l00697"></a>00697 <span class="keywordtype">int</span> FA = (PK0^PK1) ? FA1 : -FA1;<a name="l00698"></a>00698 <a name="l00699"></a>00699 UGA2 = (UGA2A+FA) >> 7;<a name="l00700"></a>00700 }⌨️ 快捷键说明
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