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本文整理汇总了C++中C_MUL函数的典型用法代码示例。如果您正苦于以下问题：C++ C_MUL函数的具体用法？C++ C_MUL怎么用？C++ C_MUL使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。 在下文中一共展示了C_MUL函数的14个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。 示例1: kf_bfly5static void kf_bfly5( kiss_fft_cpx * Fout, const size_t fstride, const kiss_fft_cfg st, int m ){ kiss_fft_cpx *Fout0,*Fout1,*Fout2,*Fout3,*Fout4; int u; kiss_fft_cpx scratch[13]; kiss_fft_cpx * twiddles = st->twiddles; kiss_fft_cpx *tw; kiss_fft_cpx ya,yb; ya = twiddles[fstride*m]; yb = twiddles[fstride*2*m]; Fout0=Fout; Fout1=Fout0+m; Fout2=Fout0+2*m; Fout3=Fout0+3*m; Fout4=Fout0+4*m; tw=st->twiddles; for ( u=0; u<m; ++u ) { C_FIXDIV( *Fout0,5); C_FIXDIV( *Fout1,5); C_FIXDIV( *Fout2,5); C_FIXDIV( *Fout3,5); C_FIXDIV( *Fout4,5); scratch[0] = *Fout0; C_MUL(scratch[1] ,*Fout1, tw[u*fstride]); C_MUL(scratch[2] ,*Fout2, tw[2*u*fstride]); C_MUL(scratch[3] ,*Fout3, tw[3*u*fstride]); C_MUL(scratch[4] ,*Fout4, tw[4*u*fstride]); C_ADD( scratch[7],scratch[1],scratch[4]); C_SUB( scratch[10],scratch[1],scratch[4]); C_ADD( scratch[8],scratch[2],scratch[3]); C_SUB( scratch[9],scratch[2],scratch[3]); Fout0->r += scratch[7].r + scratch[8].r; Fout0->i += scratch[7].i + scratch[8].i; scratch[5].r = scratch[0].r + S_MUL(scratch[7].r,ya.r) + S_MUL(scratch[8].r,yb.r); scratch[5].i = scratch[0].i + S_MUL(scratch[7].i,ya.r) + S_MUL(scratch[8].i,yb.r); scratch[6].r = S_MUL(scratch[10].i,ya.i) + S_MUL(scratch[9].i,yb.i); scratch[6].i = -S_MUL(scratch[10].r,ya.i) - S_MUL(scratch[9].r,yb.i); C_SUB(*Fout1,scratch[5],scratch[6]); C_ADD(*Fout4,scratch[5],scratch[6]); scratch[11].r = scratch[0].r + S_MUL(scratch[7].r,yb.r) + S_MUL(scratch[8].r,ya.r); scratch[11].i = scratch[0].i + S_MUL(scratch[7].i,yb.r) + S_MUL(scratch[8].i,ya.r); scratch[12].r = - S_MUL(scratch[10].i,yb.i) + S_MUL(scratch[9].i,ya.i); scratch[12].i = S_MUL(scratch[10].r,yb.i) - S_MUL(scratch[9].r,ya.i); C_ADD(*Fout2,scratch[11],scratch[12]); C_SUB(*Fout3,scratch[11],scratch[12]); ++Fout0;++Fout1;++Fout2;++Fout3;++Fout4; }}
开发者ID:Arcko，项目名称:xbmc，代码行数:60，
示例2: kf_bfly3static void kf_bfly3( kiss_fft_cpx * Fout, const size_t fstride, const kiss_fft_state *st, int m, int N, int mm ){ int i; size_t k; const size_t m2 = 2*m; const kiss_twiddle_cpx *tw1,*tw2; kiss_fft_cpx scratch[5]; kiss_twiddle_cpx epi3; kiss_fft_cpx * Fout_beg = Fout;#ifdef FIXED_POINT /*epi3.r = -16384;*/ /* Unused */ epi3.i = -28378;#else epi3 = st->twiddles[fstride*m];#endif for (i=0;i<N;i++) { Fout = Fout_beg + i*mm; tw1=tw2=st->twiddles; /* For non-custom modes, m is guaranteed to be a multiple of 4. */ k=m; do { C_MUL(scratch[1],Fout[m] , *tw1); C_MUL(scratch[2],Fout[m2] , *tw2); C_ADD(scratch[3],scratch[1],scratch[2]); C_SUB(scratch[0],scratch[1],scratch[2]); tw1 += fstride; tw2 += fstride*2; Fout[m].r = SUB32_ovflw(Fout->r, HALF_OF(scratch[3].r)); Fout[m].i = SUB32_ovflw(Fout->i, HALF_OF(scratch[3].i)); C_MULBYSCALAR( scratch[0] , epi3.i ); C_ADDTO(*Fout,scratch[3]); Fout[m2].r = ADD32_ovflw(Fout[m].r, scratch[0].i); Fout[m2].i = SUB32_ovflw(Fout[m].i, scratch[0].r); Fout[m].r = SUB32_ovflw(Fout[m].r, scratch[0].i); Fout[m].i = ADD32_ovflw(Fout[m].i, scratch[0].r); ++Fout; } while(--k); }}
开发者ID:Appsgeyser，项目名称:Custom-messenger，代码行数:56，
示例3: kf_bfly3static void kf_bfly3( kiss_fft_cpx * Fout, const size_t fstride, const kiss_fft_state *st, int m, int N, int mm ){ int i; size_t k; const size_t m2 = 2*m; const kiss_twiddle_cpx *tw1,*tw2; kiss_fft_cpx scratch[5]; kiss_twiddle_cpx epi3; kiss_fft_cpx * Fout_beg = Fout; epi3 = st->twiddles[fstride*m]; for (i=0;i<N;i++) { Fout = Fout_beg + i*mm; tw1=tw2=st->twiddles; k=m; do { C_FIXDIV(*Fout,3); C_FIXDIV(Fout[m],3); C_FIXDIV(Fout[m2],3); C_MUL(scratch[1],Fout[m] , *tw1); C_MUL(scratch[2],Fout[m2] , *tw2); C_ADD(scratch[3],scratch[1],scratch[2]); C_SUB(scratch[0],scratch[1],scratch[2]); tw1 += fstride; tw2 += fstride*2; Fout[m].r = Fout->r - HALF_OF(scratch[3].r); Fout[m].i = Fout->i - HALF_OF(scratch[3].i); C_MULBYSCALAR( scratch[0] , epi3.i ); C_ADDTO(*Fout,scratch[3]); Fout[m2].r = Fout[m].r + scratch[0].i; Fout[m2].i = Fout[m].i - scratch[0].r; Fout[m].r -= scratch[0].i; Fout[m].i += scratch[0].r; ++Fout; } while(--k); }}
开发者ID:FreshLeaf8865，项目名称:mumble，代码行数:51，
示例4: kf_bfly4static void kf_bfly4( kiss_fft_cpx * Fout, const size_t fstride, const kiss_fft_cfg st, const size_t m){ kiss_fft_cpx *tw1,*tw2,*tw3; kiss_fft_cpx scratch[6]; size_t k=m; const size_t m2=2*m; const size_t m3=3*m; tw3 = tw2 = tw1 = st->twiddles; do { C_FIXDIV(*Fout,4); C_FIXDIV(Fout[m],4); C_FIXDIV(Fout[m2],4); C_FIXDIV(Fout[m3],4); C_MUL(scratch[0],Fout[m] , *tw1 ); C_MUL(scratch[1],Fout[m2] , *tw2 ); C_MUL(scratch[2],Fout[m3] , *tw3 ); C_SUB( scratch[5] , *Fout, scratch[1] ); C_ADDTO(*Fout, scratch[1]); C_ADD( scratch[3] , scratch[0] , scratch[2] ); C_SUB( scratch[4] , scratch[0] , scratch[2] ); C_SUB( Fout[m2], *Fout, scratch[3] ); tw1 += fstride; tw2 += fstride*2; tw3 += fstride*3; C_ADDTO( *Fout , scratch[3] ); if(st->inverse) { Fout[m].r = scratch[5].r - scratch[4].i; Fout[m].i = scratch[5].i + scratch[4].r; Fout[m3].r = scratch[5].r + scratch[4].i; Fout[m3].i = scratch[5].i - scratch[4].r; } else { Fout[m].r = scratch[5].r + scratch[4].i; Fout[m].i = scratch[5].i - scratch[4].r; Fout[m3].r = scratch[5].r - scratch[4].i; Fout[m3].i = scratch[5].i + scratch[4].r; } ++Fout; } while(--k);}
开发者ID:Biohazard90，项目名称:CorsairRGBSpectrumVisualizer，代码行数:50，
示例5: kf_bfly_generic/* perform the butterfly for one stage of a mixed radix FFT */static voidkf_bfly_generic (kiss_fft_s16_cpx * Fout, const size_t fstride, const kiss_fft_s16_cfg st, int m, int p){ int u, k, q1, q; kiss_fft_s16_cpx *twiddles = st->twiddles; kiss_fft_s16_cpx t; int Norig = st->nfft; CHECKBUF (scratchbuf, nscratchbuf, p); for (u = 0; u < m; ++u) { k = u; for (q1 = 0; q1 < p; ++q1) { scratchbuf[q1] = Fout[k]; C_FIXDIV (scratchbuf[q1], p); k += m; } k = u; for (q1 = 0; q1 < p; ++q1) { int twidx = 0; Fout[k] = scratchbuf[0]; for (q = 1; q < p; ++q) { twidx += fstride * k; if (twidx >= Norig) twidx -= Norig; C_MUL (t, scratchbuf[q], twiddles[twidx]); C_ADDTO (Fout[k], t); } k += m; } }}
开发者ID:ConfusedReality，项目名称:pkg_multimedia_gst-plugins-base，代码行数:36，
示例6: kf_bfly2static void kf_bfly2( kiss_fft_cpx * Fout, const size_t fstride, const kiss_fft_state *st, int m, int N, int mm ){ kiss_fft_cpx * Fout2; const kiss_twiddle_cpx * tw1; int i,j; kiss_fft_cpx * Fout_beg = Fout; for (i=0;i<N;i++) { Fout = Fout_beg + i*mm; Fout2 = Fout + m; tw1 = st->twiddles; for(j=0;j<m;j++) { kiss_fft_cpx t; Fout->r = SHR(Fout->r, 1);Fout->i = SHR(Fout->i, 1); Fout2->r = SHR(Fout2->r, 1);Fout2->i = SHR(Fout2->i, 1); C_MUL (t, *Fout2 , *tw1); tw1 += fstride; C_SUB( *Fout2 , *Fout , t ); C_ADDTO( *Fout , t ); ++Fout2; ++Fout; } }}
开发者ID:FreshLeaf8865，项目名称:mumble，代码行数:32，
示例7: kf_bfly_generic/* perform the butterfly for one stage of a mixed radix FFT */static void kf_bfly_generic(kiss_fft_cpx *Fout, const size_t fstride, const kiss_fft_cfg st, int m, int p) { int u, k, q1, q; kiss_fft_cpx *twiddles = st->twiddles; kiss_fft_cpx t; int Norig = st->nfft; kiss_fft_cpx *scratch = (kiss_fft_cpx *)KISS_FFT_TMP_ALLOC(sizeof(kiss_fft_cpx) * p); for (u = 0; u < m; ++u) { k = u; for (q1 = 0; q1 < p; ++q1) { scratch[q1] = Fout[k]; C_FIXDIV(scratch[q1], p); k += m; } k = u; for (q1 = 0; q1 < p; ++q1) { int twidx = 0; Fout[k] = scratch[0]; for (q = 1; q < p; ++q) { twidx += static_cast<int>(fstride) * k; if (twidx >= Norig) twidx -= Norig; C_MUL(t, scratch[q], twiddles[twidx]); C_ADDTO(Fout[k], t); } k += m; } } KISS_FFT_TMP_FREE(scratch);}
开发者ID:AdmiralCurtiss，项目名称:dolphin，代码行数:35，
示例8: kf_bfly2static void kf_bfly2( kiss_fft_cpx * Fout, const size_t fstride, const kiss_fft_cfg st, int m, int N, int mm ){ kiss_fft_cpx * Fout2; kiss_fft_cpx * tw1; kiss_fft_cpx t; if (!st->inverse) { int i,j; kiss_fft_cpx * Fout_beg = Fout; for (i=0;i<N;i++) { Fout = Fout_beg + i*mm; Fout2 = Fout + m; tw1 = st->twiddles; for(j=0;j<m;j++) { /* Almost the same as the code path below, except that we divide the input by two (while keeping the best accuracy possible) */ ms_word32_t tr, ti; tr = SHR32(SUB32(MULT16_16(Fout2->r , tw1->r),MULT16_16(Fout2->i , tw1->i)), 1); ti = SHR32(ADD32(MULT16_16(Fout2->i , tw1->r),MULT16_16(Fout2->r , tw1->i)), 1); tw1 += fstride; Fout2->r = PSHR32(SUB32(SHL32(EXTEND32(Fout->r), 14), tr), 15); Fout2->i = PSHR32(SUB32(SHL32(EXTEND32(Fout->i), 14), ti), 15); Fout->r = PSHR32(ADD32(SHL32(EXTEND32(Fout->r), 14), tr), 15); Fout->i = PSHR32(ADD32(SHL32(EXTEND32(Fout->i), 14), ti), 15); ++Fout2; ++Fout; } } } else { int i,j; kiss_fft_cpx * Fout_beg = Fout; for (i=0;i<N;i++) { Fout = Fout_beg + i*mm; Fout2 = Fout + m; tw1 = st->twiddles; for(j=0;j<m;j++) { C_MUL (t, *Fout2 , *tw1); tw1 += fstride; C_SUB( *Fout2 , *Fout , t ); C_ADDTO( *Fout , t ); ++Fout2; ++Fout; } } }}
开发者ID:Amini-Philips，项目名称:mediastreamer2，代码行数:56，
示例9: kf_bfly2static void kf_bfly2(kiss_fft_cpx *Fout, const size_t fstride, const kiss_fft_cfg st, int m) { kiss_fft_cpx *Fout2; kiss_fft_cpx *tw1 = st->twiddles; kiss_fft_cpx t; Fout2 = Fout + m; do { C_FIXDIV(*Fout, 2); C_FIXDIV(*Fout2, 2); C_MUL(t, *Fout2, *tw1); tw1 += fstride; C_SUB(*Fout2, *Fout, t); C_ADDTO(*Fout, t); ++Fout2; ++Fout; } while (--m);}
开发者ID:AdmiralCurtiss，项目名称:dolphin，代码行数:18，
示例10: kf_bfly_generic/* perform the butterfly for one stage of a mixed radix FFT */static void kf_bfly_generic( kiss_fft_cpx * Fout, const size_t fstride, const kiss_fft_cfg st, int m, int p ){ int u,k,q1,q; kiss_fft_cpx * twiddles = st->twiddles; kiss_fft_cpx t; kiss_fft_cpx scratchbuf[17]; int Norig = st->nfft; /*CHECKBUF(scratchbuf,nscratchbuf,p);*/ if (p>17) ms_fatal("KissFFT: max radix supported is 17"); for ( u=0; u<m; ++u ) { k=u; for ( q1=0 ; q1<p ; ++q1 ) { scratchbuf[q1] = Fout[ k ]; if (!st->inverse) { C_FIXDIV(scratchbuf[q1],p); } k += m; } k=u; for ( q1=0 ; q1<p ; ++q1 ) { int twidx=0; Fout[ k ] = scratchbuf[0]; for (q=1;q<p;++q ) { twidx += fstride * k; if (twidx>=Norig) twidx-=Norig; C_MUL(t,scratchbuf[q] , twiddles[twidx] ); C_ADDTO( Fout[ k ] ,t); } k += m; } }}
开发者ID:Amini-Philips，项目名称:mediastreamer2，代码行数:43，
示例11: kf_bfly_generic/* perform the butterfly for one stage of a mixed radix FFT */static void kf_bfly_generic( complex * Fout, const size_t fstride, const kiss_fft_cfg st, int m, int p ){ int u,k,q1,q; complex * twiddles = st->twiddles; complex t; int Norig = st->nfft; complex * scratch = (complex*)malloc(sizeof(complex)*p); for ( u=0; u<m; ++u ) { k=u; for ( q1=0 ; q1<p ; ++q1 ) { scratch[q1] = Fout[ k ]; C_FIXDIV(scratch[q1],p); k += m; } k=u; for ( q1=0 ; q1<p ; ++q1 ) { int twidx=0; Fout[ k ] = scratch[0]; for (q=1;q<p;++q ) { twidx += fstride * k; if (twidx>=Norig) twidx-=Norig; C_MUL(t,scratch[q] , twiddles[twidx] ); C_ADDTO( Fout[ k ] ,t); } k += m; } } free(scratch);}
开发者ID:JanThorbecke，项目名称:OpenSource，代码行数:39，
示例12: kf_bfly4static void kf_bfly4( kiss_fft_cpx * Fout, const size_t fstride, const kiss_fft_state *st, int m, int N, int mm ){ int i; if (m==1) { /* Degenerate case where all the twiddles are 1. */ for (i=0;i<N;i++) { kiss_fft_cpx scratch0, scratch1; C_SUB( scratch0 , *Fout, Fout[2] ); C_ADDTO(*Fout, Fout[2]); C_ADD( scratch1 , Fout[1] , Fout[3] ); C_SUB( Fout[2], *Fout, scratch1 ); C_ADDTO( *Fout , scratch1 ); C_SUB( scratch1 , Fout[1] , Fout[3] ); Fout[1].r = ADD32_ovflw(scratch0.r, scratch1.i); Fout[1].i = SUB32_ovflw(scratch0.i, scratch1.r); Fout[3].r = SUB32_ovflw(scratch0.r, scratch1.i); Fout[3].i = ADD32_ovflw(scratch0.i, scratch1.r); Fout+=4; } } else { int j; kiss_fft_cpx scratch[6]; const kiss_twiddle_cpx *tw1,*tw2,*tw3; const int m2=2*m; const int m3=3*m; kiss_fft_cpx * Fout_beg = Fout; for (i=0;i<N;i++) { Fout = Fout_beg + i*mm; tw3 = tw2 = tw1 = st->twiddles; /* m is guaranteed to be a multiple of 4. */ for (j=0;j<m;j++) { C_MUL(scratch[0],Fout[m] , *tw1 ); C_MUL(scratch[1],Fout[m2] , *tw2 ); C_MUL(scratch[2],Fout[m3] , *tw3 ); C_SUB( scratch[5] , *Fout, scratch[1] ); C_ADDTO(*Fout, scratch[1]); C_ADD( scratch[3] , scratch[0] , scratch[2] ); C_SUB( scratch[4] , scratch[0] , scratch[2] ); C_SUB( Fout[m2], *Fout, scratch[3] ); tw1 += fstride; tw2 += fstride*2; tw3 += fstride*3; C_ADDTO( *Fout , scratch[3] ); Fout[m].r = ADD32_ovflw(scratch[5].r, scratch[4].i); Fout[m].i = SUB32_ovflw(scratch[5].i, scratch[4].r); Fout[m3].r = SUB32_ovflw(scratch[5].r, scratch[4].i); Fout[m3].i = ADD32_ovflw(scratch[5].i, scratch[4].r); ++Fout; } } }}
开发者ID:Appsgeyser，项目名称:Custom-messenger，代码行数:68，
示例13: kf_bfly4static void kf_bfly4( kiss_fft_cpx * Fout, const size_t fstride, const kiss_fft_cfg st, int m, int N, int mm ){ kiss_fft_cpx *tw1,*tw2,*tw3; kiss_fft_cpx scratch[6]; const size_t m2=2*m; const size_t m3=3*m; int i, j; if (st->inverse) { kiss_fft_cpx * Fout_beg = Fout; for (i=0;i<N;i++) { Fout = Fout_beg + i*mm; tw3 = tw2 = tw1 = st->twiddles; for (j=0;j<m;j++) { C_MUL(scratch[0],Fout[m] , *tw1 ); C_MUL(scratch[1],Fout[m2] , *tw2 ); C_MUL(scratch[2],Fout[m3] , *tw3 ); C_SUB( scratch[5] , *Fout, scratch[1] ); C_ADDTO(*Fout, scratch[1]); C_ADD( scratch[3] , scratch[0] , scratch[2] ); C_SUB( scratch[4] , scratch[0] , scratch[2] ); C_SUB( Fout[m2], *Fout, scratch[3] ); tw1 += fstride; tw2 += fstride*2; tw3 += fstride*3; C_ADDTO( *Fout , scratch[3] ); Fout[m].r = scratch[5].r - scratch[4].i; Fout[m].i = scratch[5].i + scratch[4].r; Fout[m3].r = scratch[5].r + scratch[4].i; Fout[m3].i = scratch[5].i - scratch[4].r; ++Fout; } } } else { kiss_fft_cpx * Fout_beg = Fout; for (i=0;i<N;i++) { Fout = Fout_beg + i*mm; tw3 = tw2 = tw1 = st->twiddles; for (j=0;j<m;j++) { C_MUL4(scratch[0],Fout[m] , *tw1 ); C_MUL4(scratch[1],Fout[m2] , *tw2 ); C_MUL4(scratch[2],Fout[m3] , *tw3 ); Fout->r = PSHR16(Fout->r, 2); Fout->i = PSHR16(Fout->i, 2); C_SUB( scratch[5] , *Fout, scratch[1] ); C_ADDTO(*Fout, scratch[1]); C_ADD( scratch[3] , scratch[0] , scratch[2] ); C_SUB( scratch[4] , scratch[0] , scratch[2] ); Fout[m2].r = PSHR16(Fout[m2].r, 2); Fout[m2].i = PSHR16(Fout[m2].i, 2); C_SUB( Fout[m2], *Fout, scratch[3] ); tw1 += fstride; tw2 += fstride*2; tw3 += fstride*3; C_ADDTO( *Fout , scratch[3] ); Fout[m].r = scratch[5].r + scratch[4].i; Fout[m].i = scratch[5].i - scratch[4].r; Fout[m3].r = scratch[5].r - scratch[4].i; Fout[m3].i = scratch[5].i + scratch[4].r; ++Fout; } } }}
开发者ID:Amini-Philips，项目名称:mediastreamer2，代码行数:81，
示例14: kf_bfly5static void kf_bfly5( kiss_fft_cpx * Fout, const size_t fstride, const kiss_fft_state *st, int m, int N, int mm ){ kiss_fft_cpx *Fout0,*Fout1,*Fout2,*Fout3,*Fout4; int i, u; kiss_fft_cpx scratch[13]; const kiss_twiddle_cpx *tw; kiss_twiddle_cpx ya,yb; kiss_fft_cpx * Fout_beg = Fout;#ifdef FIXED_POINT ya.r = 10126; ya.i = -31164; yb.r = -26510; yb.i = -19261;#else ya = st->twiddles[fstride*m]; yb = st->twiddles[fstride*2*m];#endif tw=st->twiddles; for (i=0;i<N;i++) { Fout = Fout_beg + i*mm; Fout0=Fout; Fout1=Fout0+m; Fout2=Fout0+2*m; Fout3=Fout0+3*m; Fout4=Fout0+4*m; /* For non-custom modes, m is guaranteed to be a multiple of 4. */ for ( u=0; u<m; ++u ) { scratch[0] = *Fout0; C_MUL(scratch[1] ,*Fout1, tw[u*fstride]); C_MUL(scratch[2] ,*Fout2, tw[2*u*fstride]); C_MUL(scratch[3] ,*Fout3, tw[3*u*fstride]); C_MUL(scratch[4] ,*Fout4, tw[4*u*fstride]); C_ADD( scratch[7],scratch[1],scratch[4]); C_SUB( scratch[10],scratch[1],scratch[4]); C_ADD( scratch[8],scratch[2],scratch[3]); C_SUB( scratch[9],scratch[2],scratch[3]); Fout0->r = ADD32_ovflw(Fout0->r, ADD32_ovflw(scratch[7].r, scratch[8].r)); Fout0->i = ADD32_ovflw(Fout0->i, ADD32_ovflw(scratch[7].i, scratch[8].i)); scratch[5].r = ADD32_ovflw(scratch[0].r, ADD32_ovflw(S_MUL(scratch[7].r,ya.r), S_MUL(scratch[8].r,yb.r))); scratch[5].i = ADD32_ovflw(scratch[0].i, ADD32_ovflw(S_MUL(scratch[7].i,ya.r), S_MUL(scratch[8].i,yb.r))); scratch[6].r = ADD32_ovflw(S_MUL(scratch[10].i,ya.i), S_MUL(scratch[9].i,yb.i)); scratch[6].i = NEG32_ovflw(ADD32_ovflw(S_MUL(scratch[10].r,ya.i), S_MUL(scratch[9].r,yb.i))); C_SUB(*Fout1,scratch[5],scratch[6]); C_ADD(*Fout4,scratch[5],scratch[6]); scratch[11].r = ADD32_ovflw(scratch[0].r, ADD32_ovflw(S_MUL(scratch[7].r,yb.r), S_MUL(scratch[8].r,ya.r))); scratch[11].i = ADD32_ovflw(scratch[0].i, ADD32_ovflw(S_MUL(scratch[7].i,yb.r), S_MUL(scratch[8].i,ya.r))); scratch[12].r = SUB32_ovflw(S_MUL(scratch[9].i,ya.i), S_MUL(scratch[10].i,yb.i)); scratch[12].i = SUB32_ovflw(S_MUL(scratch[10].r,yb.i), S_MUL(scratch[9].r,ya.i)); C_ADD(*Fout2,scratch[11],scratch[12]); C_SUB(*Fout3,scratch[11],scratch[12]); ++Fout0;++Fout1;++Fout2;++Fout3;++Fout4; } }}
开发者ID:Appsgeyser，项目名称:Custom-messenger，代码行数:74，
注：本文中的C_MUL函数示例整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。
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