Lines Matching refs:xi
439 PICOFFTSG_FFTTYPE xi; in rdft() local
448 xi = a[0] - a[1]; in rdft()
450 a[1] = xi; in rdft()
533 PICOFFTSG_FFTTYPE xr, xi, yr, yi, an; in dfct_nmf() local
550 xi = a[m]; in dfct_nmf()
552 a[0] = an - xi; in dfct_nmf()
553 an += xi; in dfct_nmf()
558 xi = *amj; in dfct_nmf()
563 *aj = xr - xi; in dfct_nmf()
564 *ak = xr + xi; in dfct_nmf()
573 xi = a[1]; in dfct_nmf()
575 a[0] = an + xi; in dfct_nmf()
576 a[n] = an - xi; in dfct_nmf()
671 PICOFFTSG_FFTTYPE xr, xi, yr, yi; in bitrv2() local
685 xi = a[j + 1]; in bitrv2()
691 a[k + 1] = xi; in bitrv2()
695 xi = a[j1 + 1]; in bitrv2()
701 a[k1 + 1] = xi; in bitrv2()
705 xi = a[j1 + 1]; in bitrv2()
711 a[k1 + 1] = xi; in bitrv2()
715 xi = a[j1 + 1]; in bitrv2()
721 a[k1 + 1] = xi; in bitrv2()
725 xi = a[j1 + 1]; in bitrv2()
731 a[k1 + 1] = xi; in bitrv2()
735 xi = a[j1 + 1]; in bitrv2()
741 a[k1 + 1] = xi; in bitrv2()
745 xi = a[j1 + 1]; in bitrv2()
751 a[k1 + 1] = xi; in bitrv2()
755 xi = a[j1 + 1]; in bitrv2()
761 a[k1 + 1] = xi; in bitrv2()
765 xi = a[j1 + 1]; in bitrv2()
771 a[k1 + 1] = xi; in bitrv2()
775 xi = a[j1 + 1]; in bitrv2()
781 a[k1 + 1] = xi; in bitrv2()
785 xi = a[j1 + 1]; in bitrv2()
791 a[k1 + 1] = xi; in bitrv2()
795 xi = a[j1 + 1]; in bitrv2()
801 a[k1 + 1] = xi; in bitrv2()
805 xi = a[j1 + 1]; in bitrv2()
811 a[k1 + 1] = xi; in bitrv2()
815 xi = a[j1 + 1]; in bitrv2()
821 a[k1 + 1] = xi; in bitrv2()
825 xi = a[j1 + 1]; in bitrv2()
831 a[k1 + 1] = xi; in bitrv2()
835 xi = a[j1 + 1]; in bitrv2()
841 a[k1 + 1] = xi; in bitrv2()
850 xi = a[j1 + 1]; in bitrv2()
856 a[k1 + 1] = xi; in bitrv2()
860 xi = a[j1 + 1]; in bitrv2()
866 a[k1 + 1] = xi; in bitrv2()
870 xi = a[j1 + 1]; in bitrv2()
876 a[k1 + 1] = xi; in bitrv2()
880 xi = a[j1 + 1]; in bitrv2()
886 a[k1 + 1] = xi; in bitrv2()
890 xi = a[j1 + 1]; in bitrv2()
896 a[k1 + 1] = xi; in bitrv2()
900 xi = a[j1 + 1]; in bitrv2()
906 a[k1 + 1] = xi; in bitrv2()
917 xi = a[j + 1]; in bitrv2()
923 a[k + 1] = xi; in bitrv2()
927 xi = a[j1 + 1]; in bitrv2()
933 a[k1 + 1] = xi; in bitrv2()
937 xi = a[j1 + 1]; in bitrv2()
943 a[k1 + 1] = xi; in bitrv2()
947 xi = a[j1 + 1]; in bitrv2()
953 a[k1 + 1] = xi; in bitrv2()
957 xi = a[j1 + 1]; in bitrv2()
963 a[k1 + 1] = xi; in bitrv2()
967 xi = a[j1 + 1]; in bitrv2()
973 a[k1 + 1] = xi; in bitrv2()
977 xi = a[j1 + 1]; in bitrv2()
983 a[k1 + 1] = xi; in bitrv2()
987 xi = a[j1 + 1]; in bitrv2()
993 a[k1 + 1] = xi; in bitrv2()
1002 xi = a[j1 + 1]; in bitrv2()
1008 a[k1 + 1] = xi; in bitrv2()
1012 xi = a[j1 + 1]; in bitrv2()
1018 a[k1 + 1] = xi; in bitrv2()
1030 PICOFFTSG_FFTTYPE xr, xi, yr, yi; in bitrv2conj() local
1045 xi = -a[j + 1]; in bitrv2conj()
1051 a[k + 1] = xi; in bitrv2conj()
1055 xi = -a[j1 + 1]; in bitrv2conj()
1061 a[k1 + 1] = xi; in bitrv2conj()
1065 xi = -a[j1 + 1]; in bitrv2conj()
1071 a[k1 + 1] = xi; in bitrv2conj()
1075 xi = -a[j1 + 1]; in bitrv2conj()
1081 a[k1 + 1] = xi; in bitrv2conj()
1085 xi = -a[j1 + 1]; in bitrv2conj()
1091 a[k1 + 1] = xi; in bitrv2conj()
1095 xi = -a[j1 + 1]; in bitrv2conj()
1101 a[k1 + 1] = xi; in bitrv2conj()
1105 xi = -a[j1 + 1]; in bitrv2conj()
1111 a[k1 + 1] = xi; in bitrv2conj()
1115 xi = -a[j1 + 1]; in bitrv2conj()
1121 a[k1 + 1] = xi; in bitrv2conj()
1125 xi = -a[j1 + 1]; in bitrv2conj()
1131 a[k1 + 1] = xi; in bitrv2conj()
1135 xi = -a[j1 + 1]; in bitrv2conj()
1141 a[k1 + 1] = xi; in bitrv2conj()
1145 xi = -a[j1 + 1]; in bitrv2conj()
1151 a[k1 + 1] = xi; in bitrv2conj()
1155 xi = -a[j1 + 1]; in bitrv2conj()
1161 a[k1 + 1] = xi; in bitrv2conj()
1165 xi = -a[j1 + 1]; in bitrv2conj()
1171 a[k1 + 1] = xi; in bitrv2conj()
1175 xi = -a[j1 + 1]; in bitrv2conj()
1181 a[k1 + 1] = xi; in bitrv2conj()
1185 xi = -a[j1 + 1]; in bitrv2conj()
1191 a[k1 + 1] = xi; in bitrv2conj()
1195 xi = -a[j1 + 1]; in bitrv2conj()
1201 a[k1 + 1] = xi; in bitrv2conj()
1211 xi = -a[j1 + 1]; in bitrv2conj()
1217 a[k1 + 1] = xi; in bitrv2conj()
1222 xi = -a[j1 + 1]; in bitrv2conj()
1228 a[k1 + 1] = xi; in bitrv2conj()
1232 xi = -a[j1 + 1]; in bitrv2conj()
1238 a[k1 + 1] = xi; in bitrv2conj()
1242 xi = -a[j1 + 1]; in bitrv2conj()
1248 a[k1 + 1] = xi; in bitrv2conj()
1252 xi = -a[j1 + 1]; in bitrv2conj()
1258 a[k1 + 1] = xi; in bitrv2conj()
1263 xi = -a[j1 + 1]; in bitrv2conj()
1269 a[k1 + 1] = xi; in bitrv2conj()
1281 xi = -a[j + 1]; in bitrv2conj()
1287 a[k + 1] = xi; in bitrv2conj()
1291 xi = -a[j1 + 1]; in bitrv2conj()
1297 a[k1 + 1] = xi; in bitrv2conj()
1301 xi = -a[j1 + 1]; in bitrv2conj()
1307 a[k1 + 1] = xi; in bitrv2conj()
1311 xi = -a[j1 + 1]; in bitrv2conj()
1317 a[k1 + 1] = xi; in bitrv2conj()
1321 xi = -a[j1 + 1]; in bitrv2conj()
1327 a[k1 + 1] = xi; in bitrv2conj()
1331 xi = -a[j1 + 1]; in bitrv2conj()
1337 a[k1 + 1] = xi; in bitrv2conj()
1341 xi = -a[j1 + 1]; in bitrv2conj()
1347 a[k1 + 1] = xi; in bitrv2conj()
1351 xi = -a[j1 + 1]; in bitrv2conj()
1357 a[k1 + 1] = xi; in bitrv2conj()
1367 xi = -a[j1 + 1]; in bitrv2conj()
1373 a[k1 + 1] = xi; in bitrv2conj()
1379 xi = -a[j1 + 1]; in bitrv2conj()
1385 a[k1 + 1] = xi; in bitrv2conj()
3067 PICOFFTSG_FFTTYPE w1r, w1i, wkr, wki, wdr, wdi, ss, xr, xi, yr, yi; in rftfsub() local
3103 xi = a[j + 3] + a[k - 1]; in rftfsub()
3104 yr = Mult_W_W(wdr, xr) - Mult_W_W(wdi, xi); in rftfsub()
3105 yi = Mult_W_W(wdr, xi) + Mult_W_W(wdi, xr); in rftfsub()
3113 xi = a[j + 1] + a[k + 1]; in rftfsub()
3114 yr = Mult_W_W(wkr, xr) - Mult_W_W(wki, xi); in rftfsub()
3115 yi = Mult_W_W(wkr, xi) + Mult_W_W(wki, xr); in rftfsub()
3129 xi = a[3] + a[n - 1]; in rftfsub()
3130 yr = Mult_W_W(wdr, xr) - Mult_W_W(wdi, xi); in rftfsub()
3131 yi = Mult_W_W(wdr, xi) + Mult_W_W(wdi, xr); in rftfsub()
3145 PICOFFTSG_FFTTYPE w1r, w1i, wkr, wki, wdr, wdi, ss, xr, xi, yr, yi; in rftbsub() local
3163 xi = a[j + 3] + a[k - 1]; in rftbsub()
3164 yr = Mult_W_W(wdr, xr) + Mult_W_W(wdi, xi); in rftbsub()
3165 yi = Mult_W_W(wdr, xi) - Mult_W_W(wdi, xr); in rftbsub()
3173 xi = a[j + 1] + a[k + 1]; in rftbsub()
3174 yr = Mult_W_W(wkr, xr) + Mult_W_W(wki, xi); in rftbsub()
3175 yi = Mult_W_W(wkr, xi) - Mult_W_W(wki, xr); in rftbsub()
3188 xi = a[3] + a[n - 1]; in rftbsub()
3189 yr = Mult_W_W(wdr, xr) + Mult_W_W(wdi, xi); in rftbsub()
3190 yi = Mult_W_W(wdr, xi) - Mult_W_W(wdi, xr); in rftbsub()
3201 PICOFFTSG_FFTTYPE w1r, w1i, wkr, wki, wdr, wdi, ss, xr, xi, yr, yi; in dctsub() local
3232 xi = picofftsg_mult_w_a(wdr, a[j - 1]) + picofftsg_mult_w_a(wdi, a[k + 1]); in dctsub()
3241 a[j - 1] = xi; in dctsub()