libsharp2/libsharp/sharp_core.c
2019-01-11 09:27:04 +01:00

1168 lines
37 KiB
C

/*
* This file is part of libsharp.
*
* libsharp is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* libsharp is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with libsharp; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
/*
* libsharp is being developed at the Max-Planck-Institut fuer Astrophysik
* and financially supported by the Deutsches Zentrum fuer Luft- und Raumfahrt
* (DLR).
*/
/*! \file sharp_core.c
* Computational core
*
* Copyright (C) 2012-2019 Max-Planck-Society
* \author Martin Reinecke
*/
#include <complex.h>
#include <math.h>
#include <string.h>
#include "sharp_vecsupport.h"
#include "sharp.h"
#include "sharp_internal.h"
#include "c_utils.h"
typedef complex double dcmplx;
#define nv0 (128/VLEN)
#define nvx (64/VLEN)
typedef Tv Tbv0[nv0];
typedef double Tbs0[nv0*VLEN];
typedef struct
{
Tbv0 sth, corfac, scale, lam1, lam2, csq, p1r, p1i, p2r, p2i;
} s0data_v;
typedef struct
{
Tbs0 sth, corfac, scale, lam1, lam2, csq, p1r, p1i, p2r, p2i;
} s0data_s;
typedef union
{
s0data_v v;
s0data_s s;
} s0data_u;
typedef Tv Tbvx[nvx];
typedef double Tbsx[nvx*VLEN];
typedef struct
{
Tbvx sth, cfp, cfm, scp, scm, l1p, l2p, l1m, l2m, cth,
p1pr, p1pi, p2pr, p2pi, p1mr, p1mi, p2mr, p2mi;
} sxdata_v;
typedef struct
{
Tbsx sth, cfp, cfm, scp, scm, l1p, l2p, l1m, l2m, cth,
p1pr, p1pi, p2pr, p2pi, p1mr, p1mi, p2mr, p2mi;
} sxdata_s;
typedef union
{
sxdata_v v;
sxdata_s s;
} sxdata_u;
static inline void Tvnormalize (Tv * restrict val, Tv * restrict scale,
double maxval)
{
const Tv vfmin=vload(sharp_fsmall*maxval), vfmax=vload(maxval);
const Tv vfsmall=vload(sharp_fsmall), vfbig=vload(sharp_fbig);
Tm mask = vgt(vabs(*val),vfmax);
while (vanyTrue(mask))
{
vmuleq_mask(mask,*val,vfsmall);
vaddeq_mask(mask,*scale,vone);
mask = vgt(vabs(*val),vfmax);
}
mask = vand_mask(vlt(vabs(*val),vfmin),vne(*val,vzero));
while (vanyTrue(mask))
{
vmuleq_mask(mask,*val,vfbig);
vsubeq_mask(mask,*scale,vone);
mask = vand_mask(vlt(vabs(*val),vfmin),vne(*val,vzero));
}
}
static void mypow(Tv val, int npow, const double * restrict powlimit,
Tv * restrict resd, Tv * restrict ress)
{
Tv vminv=vload(powlimit[npow]);
Tm mask = vlt(vabs(val),vminv);
if (!vanyTrue(mask)) // no underflows possible, use quick algoritm
{
Tv res=vone;
do
{
if (npow&1)
res*=val;
val*=val;
}
while(npow>>=1);
*resd=res;
*ress=vzero;
}
else
{
Tv scale=vzero, scaleint=vzero, res=vone;
Tvnormalize(&val,&scaleint,sharp_fbighalf);
do
{
if (npow&1)
{
res*=val;
scale+=scaleint;
Tvnormalize(&res,&scale,sharp_fbighalf);
}
val*=val;
scaleint+=scaleint;
Tvnormalize(&val,&scaleint,sharp_fbighalf);
}
while(npow>>=1);
*resd=res;
*ress=scale;
}
}
static inline void getCorfac(Tv scale, Tv * restrict corfac,
const double * restrict cf)
{
typedef union
{ Tv v; double s[VLEN]; } Tvu;
Tvu sc, corf;
sc.v=scale;
for (int i=0; i<VLEN; ++i)
corf.s[i] = (sc.s[i]<sharp_minscale) ?
0. : cf[(int)(sc.s[i])-sharp_minscale];
*corfac=corf.v;
}
static inline int rescale(Tv * restrict v1, Tv * restrict v2, Tv * restrict s, Tv eps)
{
Tm mask = vgt(vabs(*v2),eps);
if (vanyTrue(mask))
{
vmuleq_mask(mask,*v1,vload(sharp_fsmall));
vmuleq_mask(mask,*v2,vload(sharp_fsmall));
vaddeq_mask(mask,*s,vone);
return 1;
}
return 0;
}
NOINLINE static void iter_to_ieee(const sharp_Ylmgen_C * restrict gen,
s0data_v * restrict d, int * restrict l_, int * restrict il_, int nv2)
{
int l=gen->m, il=0;
Tv mfac = vload((gen->m&1) ? -gen->mfac[gen->m]:gen->mfac[gen->m]);
Tv limscale=vload(sharp_limscale);
int below_limit = 1;
for (int i=0; i<nv2; ++i)
{
d->lam1[i]=vzero;
mypow(d->sth[i],gen->m,gen->powlimit,&d->lam2[i],&d->scale[i]);
d->lam2[i] *= mfac;
Tvnormalize(&d->lam2[i],&d->scale[i],sharp_ftol);
below_limit &= vallTrue(vlt(d->scale[i],limscale));
}
while (below_limit)
{
if (l+4>gen->lmax) {*l_=gen->lmax+1;return;}
below_limit=1;
Tv a1=vload(gen->coef[il ][0]), b1=vload(gen->coef[il ][1]);
Tv a2=vload(gen->coef[il+1][0]), b2=vload(gen->coef[il+1][1]);
for (int i=0; i<nv2; ++i)
{
d->lam1[i] = (a1*d->csq[i] + b1)*d->lam2[i] + d->lam1[i];
d->lam2[i] = (a2*d->csq[i] + b2)*d->lam1[i] + d->lam2[i];
if (rescale(&d->lam1[i], &d->lam2[i], &d->scale[i], vload(sharp_ftol)))
below_limit &= vallTrue(vlt(d->scale[i],vload(sharp_limscale)));
}
l+=4; il+=2;
}
*l_=l; *il_=il;
}
NOINLINE static void alm2map_kernel(s0data_v * restrict d,
const sharp_ylmgen_dbl2 * restrict coef, const dcmplx * restrict alm,
int l, int il, int lmax, int nv2)
{
if (nv2==nv0)
{
for (; l<=lmax-2; il+=2, l+=4)
{
Tv ar1=vload(creal(alm[l ])), ai1=vload(cimag(alm[l ]));
Tv ar2=vload(creal(alm[l+1])), ai2=vload(cimag(alm[l+1]));
Tv ar3=vload(creal(alm[l+2])), ai3=vload(cimag(alm[l+2]));
Tv ar4=vload(creal(alm[l+3])), ai4=vload(cimag(alm[l+3]));
Tv a1=vload(coef[il ][0]), b1=vload(coef[il ][1]);
Tv a2=vload(coef[il+1][0]), b2=vload(coef[il+1][1]);
for (int i=0; i<nv0; ++i)
{
d->p1r[i] += d->lam2[i]*ar1;
d->p1i[i] += d->lam2[i]*ai1;
d->p2r[i] += d->lam2[i]*ar2;
d->p2i[i] += d->lam2[i]*ai2;
d->lam1[i] = (a1*d->csq[i] + b1)*d->lam2[i] + d->lam1[i];
d->p1r[i] += d->lam1[i]*ar3;
d->p1i[i] += d->lam1[i]*ai3;
d->p2r[i] += d->lam1[i]*ar4;
d->p2i[i] += d->lam1[i]*ai4;
d->lam2[i] = (a2*d->csq[i] + b2)*d->lam1[i] + d->lam2[i];
}
}
}
else
{
for (; l<=lmax-2; il+=2, l+=4)
{
Tv ar1=vload(creal(alm[l ])), ai1=vload(cimag(alm[l ]));
Tv ar2=vload(creal(alm[l+1])), ai2=vload(cimag(alm[l+1]));
Tv ar3=vload(creal(alm[l+2])), ai3=vload(cimag(alm[l+2]));
Tv ar4=vload(creal(alm[l+3])), ai4=vload(cimag(alm[l+3]));
Tv a1=vload(coef[il ][0]), b1=vload(coef[il ][1]);
Tv a2=vload(coef[il+1][0]), b2=vload(coef[il+1][1]);
for (int i=0; i<nv2; ++i)
{
d->p1r[i] += d->lam2[i]*ar1;
d->p1i[i] += d->lam2[i]*ai1;
d->p2r[i] += d->lam2[i]*ar2;
d->p2i[i] += d->lam2[i]*ai2;
d->lam1[i] = (a1*d->csq[i] + b1)*d->lam2[i] + d->lam1[i];
d->p1r[i] += d->lam1[i]*ar3;
d->p1i[i] += d->lam1[i]*ai3;
d->p2r[i] += d->lam1[i]*ar4;
d->p2i[i] += d->lam1[i]*ai4;
d->lam2[i] = (a2*d->csq[i] + b2)*d->lam1[i] + d->lam2[i];
}
}
}
for (; l<=lmax; ++il, l+=2)
{
Tv ar1=vload(creal(alm[l ])), ai1=vload(cimag(alm[l ]));
Tv ar2=vload(creal(alm[l+1])), ai2=vload(cimag(alm[l+1]));
Tv a=vload(coef[il][0]), b=vload(coef[il][1]);
for (int i=0; i<nv2; ++i)
{
d->p1r[i] += d->lam2[i]*ar1;
d->p1i[i] += d->lam2[i]*ai1;
d->p2r[i] += d->lam2[i]*ar2;
d->p2i[i] += d->lam2[i]*ai2;
Tv tmp = (a*d->csq[i] + b)*d->lam2[i] + d->lam1[i];
d->lam1[i] = d->lam2[i];
d->lam2[i] = tmp;
}
}
}
NOINLINE static void calc_alm2map (sharp_job * restrict job,
const sharp_Ylmgen_C * restrict gen, s0data_v * restrict d, int nth)
{
int l,il,lmax=gen->lmax;
int nv2 = (nth+VLEN-1)/VLEN;
iter_to_ieee(gen, d, &l, &il, nv2);
job->opcnt += il * 4*nth;
if (l>lmax) return;
job->opcnt += (lmax+1-l) * 6*nth;
const sharp_ylmgen_dbl2 * restrict coef = gen->coef;
const dcmplx * restrict alm=job->almtmp;
int full_ieee=1;
for (int i=0; i<nv2; ++i)
{
getCorfac(d->scale[i], &d->corfac[i], gen->cf);
full_ieee &= vallTrue(vge(d->scale[i],vload(sharp_minscale)));
}
while((!full_ieee) && (l<=lmax))
{
Tv ar1=vload(creal(alm[l ])), ai1=vload(cimag(alm[l ]));
Tv ar2=vload(creal(alm[l+1])), ai2=vload(cimag(alm[l+1]));
Tv a=vload(coef[il][0]), b=vload(coef[il][1]);
full_ieee=1;
for (int i=0; i<nv2; ++i)
{
d->p1r[i] += d->lam2[i]*d->corfac[i]*ar1;
d->p1i[i] += d->lam2[i]*d->corfac[i]*ai1;
d->p2r[i] += d->lam2[i]*d->corfac[i]*ar2;
d->p2i[i] += d->lam2[i]*d->corfac[i]*ai2;
Tv tmp = (a*d->csq[i] + b)*d->lam2[i] + d->lam1[i];
d->lam1[i] = d->lam2[i];
d->lam2[i] = tmp;
if (rescale(&d->lam1[i], &d->lam2[i], &d->scale[i], vload(sharp_ftol)))
getCorfac(d->scale[i], &d->corfac[i], gen->cf);
full_ieee &= vallTrue(vge(d->scale[i],vload(sharp_minscale)));
}
l+=2; ++il;
}
if (l>lmax) return;
for (int i=0; i<nv2; ++i)
{
d->lam1[i] *= d->corfac[i];
d->lam2[i] *= d->corfac[i];
}
alm2map_kernel(d, coef, alm, l, il, lmax, nv2);
}
NOINLINE static void map2alm_kernel(s0data_v * restrict d,
const sharp_ylmgen_dbl2 * restrict coef, dcmplx * restrict alm, int l,
int il, int lmax, int nv2)
{
for (; l<=lmax-2; il+=2, l+=4)
{
Tv a1=vload(coef[il ][0]), b1=vload(coef[il ][1]);
Tv a2=vload(coef[il+1][0]), b2=vload(coef[il+1][1]);
Tv atmp1[4] = {vzero, vzero, vzero, vzero};
Tv atmp2[4] = {vzero, vzero, vzero, vzero};
for (int i=0; i<nv2; ++i)
{
atmp1[0] += d->lam2[i]*d->p1r[i];
atmp1[1] += d->lam2[i]*d->p1i[i];
atmp1[2] += d->lam2[i]*d->p2r[i];
atmp1[3] += d->lam2[i]*d->p2i[i];
d->lam1[i] = (a1*d->csq[i] + b1)*d->lam2[i] + d->lam1[i];
atmp2[0] += d->lam1[i]*d->p1r[i];
atmp2[1] += d->lam1[i]*d->p1i[i];
atmp2[2] += d->lam1[i]*d->p2r[i];
atmp2[3] += d->lam1[i]*d->p2i[i];
d->lam2[i] = (a2*d->csq[i] + b2)*d->lam1[i] + d->lam2[i];
}
vhsum_cmplx_special (atmp1[0], atmp1[1], atmp1[2], atmp1[3], &alm[l ]);
vhsum_cmplx_special (atmp2[0], atmp2[1], atmp2[2], atmp2[3], &alm[l+2]);
}
for (; l<=lmax; ++il, l+=2)
{
Tv a=vload(coef[il][0]), b=vload(coef[il][1]);
Tv atmp[4] = {vzero, vzero, vzero, vzero};
for (int i=0; i<nv2; ++i)
{
atmp[0] += d->lam2[i]*d->p1r[i];
atmp[1] += d->lam2[i]*d->p1i[i];
atmp[2] += d->lam2[i]*d->p2r[i];
atmp[3] += d->lam2[i]*d->p2i[i];
Tv tmp = (a*d->csq[i] + b)*d->lam2[i] + d->lam1[i];
d->lam1[i] = d->lam2[i];
d->lam2[i] = tmp;
}
vhsum_cmplx_special (atmp[0], atmp[1], atmp[2], atmp[3], &alm[l]);
}
}
NOINLINE static void calc_map2alm (sharp_job * restrict job,
const sharp_Ylmgen_C * restrict gen, s0data_v * restrict d, int nth)
{
int l,il,lmax=gen->lmax;
int nv2 = (nth+VLEN-1)/VLEN;
iter_to_ieee(gen, d, &l, &il, nv2);
job->opcnt += il * 4*nth;
if (l>lmax) return;
job->opcnt += (lmax+1-l) * 6*nth;
const sharp_ylmgen_dbl2 * restrict coef = gen->coef;
dcmplx * restrict alm=job->almtmp;
int full_ieee=1;
for (int i=0; i<nv2; ++i)
{
getCorfac(d->scale[i], &d->corfac[i], gen->cf);
full_ieee &= vallTrue(vge(d->scale[i],vload(sharp_minscale)));
}
while((!full_ieee) && (l<=lmax))
{
Tv a=vload(coef[il][0]), b=vload(coef[il][1]);
Tv atmp[4] = {vzero, vzero, vzero, vzero};
full_ieee=1;
for (int i=0; i<nv2; ++i)
{
atmp[0] += d->lam2[i]*d->corfac[i]*d->p1r[i];
atmp[1] += d->lam2[i]*d->corfac[i]*d->p1i[i];
atmp[2] += d->lam2[i]*d->corfac[i]*d->p2r[i];
atmp[3] += d->lam2[i]*d->corfac[i]*d->p2i[i];
Tv tmp = (a*d->csq[i] + b)*d->lam2[i] + d->lam1[i];
d->lam1[i] = d->lam2[i];
d->lam2[i] = tmp;
if (rescale(&d->lam1[i], &d->lam2[i], &d->scale[i], vload(sharp_ftol)))
getCorfac(d->scale[i], &d->corfac[i], gen->cf);
full_ieee &= vallTrue(vge(d->scale[i],vload(sharp_minscale)));
}
vhsum_cmplx_special (atmp[0], atmp[1], atmp[2], atmp[3], &alm[l]);
l+=2; ++il;
}
if (l>lmax) return;
for (int i=0; i<nv2; ++i)
{
d->lam1[i] *= d->corfac[i];
d->lam2[i] *= d->corfac[i];
}
map2alm_kernel(d, coef, alm, l, il, lmax, nv2);
}
NOINLINE static void iter_to_ieee_spin (const sharp_Ylmgen_C * restrict gen,
sxdata_v * restrict d, int * restrict l_, int nv2)
{
const sharp_ylmgen_dbl2 * restrict fx = gen->coef;
Tv prefac=vload(gen->prefac[gen->m]),
prescale=vload(gen->fscale[gen->m]);
Tv limscale=vload(sharp_limscale);
int below_limit=1;
for (int i=0; i<nv2; ++i)
{
Tv cth2=vmax(vload(1e-15),vsqrt((vone+d->cth[i])*vload(0.5)));
Tv sth2=vmax(vload(1e-15),vsqrt((vone-d->cth[i])*vload(0.5)));
Tm mask=vlt(d->sth[i],vzero);
vmuleq_mask(vand_mask(mask,vlt(d->cth[i],vzero)),cth2,vload(-1.));
vmuleq_mask(vand_mask(mask,vgt(d->cth[i],vzero)),sth2,vload(-1.));
Tv ccp, ccps, ssp, ssps, csp, csps, scp, scps;
mypow(cth2,gen->cosPow,gen->powlimit,&ccp,&ccps);
mypow(sth2,gen->sinPow,gen->powlimit,&ssp,&ssps);
mypow(cth2,gen->sinPow,gen->powlimit,&csp,&csps);
mypow(sth2,gen->cosPow,gen->powlimit,&scp,&scps);
d->l1p[i] = vzero;
d->l1m[i] = vzero;
d->l2p[i] = prefac*ccp;
d->scp[i] = prescale+ccps;
d->l2m[i] = prefac*csp;
d->scm[i] = prescale+csps;
Tvnormalize(&d->l2m[i],&d->scm[i],sharp_fbighalf);
Tvnormalize(&d->l2p[i],&d->scp[i],sharp_fbighalf);
d->l2p[i] *= ssp;
d->scp[i] += ssps;
d->l2m[i] *= scp;
d->scm[i] += scps;
if (gen->preMinus_p)
d->l2p[i] = vneg(d->l2p[i]);
if (gen->preMinus_m)
d->l2m[i] = vneg(d->l2m[i]);
if (gen->s&1)
d->l2p[i] = vneg(d->l2p[i]);
Tvnormalize(&d->l2m[i],&d->scm[i],sharp_ftol);
Tvnormalize(&d->l2p[i],&d->scp[i],sharp_ftol);
below_limit &= vallTrue(vlt(d->scm[i],limscale)) &&
vallTrue(vlt(d->scp[i],limscale));
}
int l=gen->mhi;
while (below_limit)
{
if (l+2>gen->lmax) {*l_=gen->lmax+1;return;}
below_limit=1;
Tv fx10=vload(fx[l+1][0]),fx11=vload(fx[l+1][1]);
Tv fx20=vload(fx[l+2][0]),fx21=vload(fx[l+2][1]);
for (int i=0; i<nv2; ++i)
{
d->l1p[i] = (d->cth[i]*fx10 - fx11)*d->l2p[i] - d->l1p[i];
d->l1m[i] = (d->cth[i]*fx10 + fx11)*d->l2m[i] - d->l1m[i];
d->l2p[i] = (d->cth[i]*fx20 - fx21)*d->l1p[i] - d->l2p[i];
d->l2m[i] = (d->cth[i]*fx20 + fx21)*d->l1m[i] - d->l2m[i];
if (rescale(&d->l1p[i],&d->l2p[i],&d->scp[i],vload(sharp_ftol)) ||
rescale(&d->l1m[i],&d->l2m[i],&d->scm[i],vload(sharp_ftol)))
below_limit &= vallTrue(vlt(d->scp[i],limscale)) &&
vallTrue(vlt(d->scm[i],limscale));
}
l+=2;
}
*l_=l;
}
NOINLINE static void alm2map_spin_kernel(sxdata_v * restrict d,
const sharp_ylmgen_dbl2 * restrict fx, const dcmplx * restrict alm,
int l, int lmax, int nv2)
{
int lsave = l;
while (l<=lmax)
{
Tv fx10=vload(fx[l+1][0]),fx11=vload(fx[l+1][1]);
Tv fx20=vload(fx[l+2][0]),fx21=vload(fx[l+2][1]);
Tv agr1=vload(creal(alm[2*l ])), agi1=vload(cimag(alm[2*l ])),
acr1=vload(creal(alm[2*l+1])), aci1=vload(cimag(alm[2*l+1]));
Tv agr2=vload(creal(alm[2*l+2])), agi2=vload(cimag(alm[2*l+2])),
acr2=vload(creal(alm[2*l+3])), aci2=vload(cimag(alm[2*l+3]));
for (int i=0; i<nv2; ++i)
{
d->l1p[i] = (d->cth[i]*fx10 - fx11)*d->l2p[i] - d->l1p[i];
d->p1pr[i] += agr1*d->l2p[i];
d->p1pi[i] += agi1*d->l2p[i];
d->p1mr[i] += acr1*d->l2p[i];
d->p1mi[i] += aci1*d->l2p[i];
d->p1pr[i] += aci2*d->l1p[i];
d->p1pi[i] -= acr2*d->l1p[i];
d->p1mr[i] -= agi2*d->l1p[i];
d->p1mi[i] += agr2*d->l1p[i];
d->l2p[i] = (d->cth[i]*fx20 - fx21)*d->l1p[i] - d->l2p[i];
}
l+=2;
}
l=lsave;
while (l<=lmax)
{
Tv fx10=vload(fx[l+1][0]),fx11=vload(fx[l+1][1]);
Tv fx20=vload(fx[l+2][0]),fx21=vload(fx[l+2][1]);
Tv agr1=vload(creal(alm[2*l ])), agi1=vload(cimag(alm[2*l ])),
acr1=vload(creal(alm[2*l+1])), aci1=vload(cimag(alm[2*l+1]));
Tv agr2=vload(creal(alm[2*l+2])), agi2=vload(cimag(alm[2*l+2])),
acr2=vload(creal(alm[2*l+3])), aci2=vload(cimag(alm[2*l+3]));
for (int i=0; i<nv2; ++i)
{
d->l1m[i] = (d->cth[i]*fx10 + fx11)*d->l2m[i] - d->l1m[i];
d->p2pr[i] -= aci1*d->l2m[i];
d->p2pi[i] += acr1*d->l2m[i];
d->p2mr[i] += agi1*d->l2m[i];
d->p2mi[i] -= agr1*d->l2m[i];
d->p2pr[i] += agr2*d->l1m[i];
d->p2pi[i] += agi2*d->l1m[i];
d->p2mr[i] += acr2*d->l1m[i];
d->p2mi[i] += aci2*d->l1m[i];
d->l2m[i] = (d->cth[i]*fx20 + fx21)*d->l1m[i] - d->l2m[i];
}
l+=2;
}
}
NOINLINE static void calc_alm2map_spin (sharp_job * restrict job,
const sharp_Ylmgen_C * restrict gen, sxdata_v * restrict d, int nth)
{
int l,lmax=gen->lmax;
int nv2 = (nth+VLEN-1)/VLEN;
iter_to_ieee_spin(gen, d, &l, nv2);
job->opcnt += (l-gen->mhi) * 7*nth;
if (l>lmax) return;
job->opcnt += (lmax+1-l) * 23*nth;
const sharp_ylmgen_dbl2 * restrict fx = gen->coef;
const dcmplx * restrict alm=job->almtmp;
int full_ieee=1;
for (int i=0; i<nv2; ++i)
{
getCorfac(d->scp[i], &d->cfp[i], gen->cf);
getCorfac(d->scm[i], &d->cfm[i], gen->cf);
full_ieee &= vallTrue(vge(d->scp[i],vload(sharp_minscale))) &&
vallTrue(vge(d->scm[i],vload(sharp_minscale)));
}
while((!full_ieee) && (l<=lmax))
{
Tv fx10=vload(fx[l+1][0]),fx11=vload(fx[l+1][1]);
Tv fx20=vload(fx[l+2][0]),fx21=vload(fx[l+2][1]);
Tv agr1=vload(creal(alm[2*l ])), agi1=vload(cimag(alm[2*l ])),
acr1=vload(creal(alm[2*l+1])), aci1=vload(cimag(alm[2*l+1]));
Tv agr2=vload(creal(alm[2*l+2])), agi2=vload(cimag(alm[2*l+2])),
acr2=vload(creal(alm[2*l+3])), aci2=vload(cimag(alm[2*l+3]));
full_ieee=1;
for (int i=0; i<nv2; ++i)
{
d->l1p[i] = (d->cth[i]*fx10 - fx11)*d->l2p[i] - d->l1p[i];
d->l1m[i] = (d->cth[i]*fx10 + fx11)*d->l2m[i] - d->l1m[i];
Tv l2p=d->l2p[i]*d->cfp[i], l2m=d->l2m[i]*d->cfm[i];
Tv l1m=d->l1m[i]*d->cfm[i], l1p=d->l1p[i]*d->cfp[i];
d->p1pr[i] += agr1*l2p + aci2*l1p;
d->p1pi[i] += agi1*l2p - acr2*l1p;
d->p1mr[i] += acr1*l2p - agi2*l1p;
d->p1mi[i] += aci1*l2p + agr2*l1p;
d->p2pr[i] += agr2*l1m - aci1*l2m;
d->p2pi[i] += agi2*l1m + acr1*l2m;
d->p2mr[i] += acr2*l1m + agi1*l2m;
d->p2mi[i] += aci2*l1m - agr1*l2m;
d->l2p[i] = (d->cth[i]*fx20 - fx21)*d->l1p[i] - d->l2p[i];
d->l2m[i] = (d->cth[i]*fx20 + fx21)*d->l1m[i] - d->l2m[i];
if (rescale(&d->l1p[i], &d->l2p[i], &d->scp[i], vload(sharp_ftol)))
getCorfac(d->scp[i], &d->cfp[i], gen->cf);
full_ieee &= vallTrue(vge(d->scp[i],vload(sharp_minscale)));
if (rescale(&d->l1m[i], &d->l2m[i], &d->scm[i], vload(sharp_ftol)))
getCorfac(d->scm[i], &d->cfm[i], gen->cf);
full_ieee &= vallTrue(vge(d->scm[i],vload(sharp_minscale)));
}
l+=2;
}
// if (l>lmax) return;
for (int i=0; i<nv2; ++i)
{
d->l1p[i] *= d->cfp[i];
d->l2p[i] *= d->cfp[i];
d->l1m[i] *= d->cfm[i];
d->l2m[i] *= d->cfm[i];
}
alm2map_spin_kernel(d, fx, alm, l, lmax, nv2);
for (int i=0; i<nv2; ++i)
{
Tv tmp;
tmp = d->p1pr[i]; d->p1pr[i] -= d->p2mi[i]; d->p2mi[i] += tmp;
tmp = d->p1pi[i]; d->p1pi[i] += d->p2mr[i]; d->p2mr[i] -= tmp;
tmp = d->p1mr[i]; d->p1mr[i] += d->p2pi[i]; d->p2pi[i] -= tmp;
tmp = d->p1mi[i]; d->p1mi[i] -= d->p2pr[i]; d->p2pr[i] += tmp;
}
}
NOINLINE static void map2alm_spin_kernel(sxdata_v * restrict d,
const sharp_ylmgen_dbl2 * restrict fx, dcmplx * restrict alm,
int l, int lmax, int nv2)
{
int lsave=l;
while (l<=lmax)
{
Tv fx10=vload(fx[l+1][0]),fx11=vload(fx[l+1][1]);
Tv fx20=vload(fx[l+2][0]),fx21=vload(fx[l+2][1]);
Tv agr1=vzero, agi1=vzero, acr1=vzero, aci1=vzero;
Tv agr2=vzero, agi2=vzero, acr2=vzero, aci2=vzero;
for (int i=0; i<nv2; ++i)
{
d->l1p[i] = (d->cth[i]*fx10 - fx11)*d->l2p[i] - d->l1p[i];
agr1 += d->p2mi[i]*d->l2p[i];
agi1 -= d->p2mr[i]*d->l2p[i];
acr1 -= d->p2pi[i]*d->l2p[i];
aci1 += d->p2pr[i]*d->l2p[i];
agr2 += d->p2pr[i]*d->l1p[i];
agi2 += d->p2pi[i]*d->l1p[i];
acr2 += d->p2mr[i]*d->l1p[i];
aci2 += d->p2mi[i]*d->l1p[i];
d->l2p[i] = (d->cth[i]*fx20 - fx21)*d->l1p[i] - d->l2p[i];
}
vhsum_cmplx_special (agr1,agi1,acr1,aci1,&alm[2*l]);
vhsum_cmplx_special (agr2,agi2,acr2,aci2,&alm[2*l+2]);
l+=2;
}
l=lsave;
while (l<=lmax)
{
Tv fx10=vload(fx[l+1][0]),fx11=vload(fx[l+1][1]);
Tv fx20=vload(fx[l+2][0]),fx21=vload(fx[l+2][1]);
Tv agr1=vzero, agi1=vzero, acr1=vzero, aci1=vzero;
Tv agr2=vzero, agi2=vzero, acr2=vzero, aci2=vzero;
for (int i=0; i<nv2; ++i)
{
d->l1m[i] = (d->cth[i]*fx10 + fx11)*d->l2m[i] - d->l1m[i];
agr1 += d->p1pr[i]*d->l2m[i];
agi1 += d->p1pi[i]*d->l2m[i];
acr1 += d->p1mr[i]*d->l2m[i];
aci1 += d->p1mi[i]*d->l2m[i];
agr2 -= d->p1mi[i]*d->l1m[i];
agi2 += d->p1mr[i]*d->l1m[i];
acr2 += d->p1pi[i]*d->l1m[i];
aci2 -= d->p1pr[i]*d->l1m[i];
d->l2m[i] = (d->cth[i]*fx20 + fx21)*d->l1m[i] - d->l2m[i];
}
vhsum_cmplx_special (agr1,agi1,acr1,aci1,&alm[2*l]);
vhsum_cmplx_special (agr2,agi2,acr2,aci2,&alm[2*l+2]);
l+=2;
}
}
NOINLINE static void calc_map2alm_spin (sharp_job * restrict job,
const sharp_Ylmgen_C * restrict gen, sxdata_v * restrict d, int nth)
{
int l,lmax=gen->lmax;
int nv2 = (nth+VLEN-1)/VLEN;
iter_to_ieee_spin(gen, d, &l, nv2);
job->opcnt += (l-gen->mhi) * 7*nth;
if (l>lmax) return;
job->opcnt += (lmax+1-l) * 23*nth;
const sharp_ylmgen_dbl2 * restrict fx = gen->coef;
dcmplx * restrict alm=job->almtmp;
int full_ieee=1;
for (int i=0; i<nv2; ++i)
{
getCorfac(d->scp[i], &d->cfp[i], gen->cf);
getCorfac(d->scm[i], &d->cfm[i], gen->cf);
full_ieee &= vallTrue(vge(d->scp[i],vload(sharp_minscale))) &&
vallTrue(vge(d->scm[i],vload(sharp_minscale)));
}
for (int i=0; i<nv2; ++i)
{
Tv tmp;
tmp = d->p1pr[i]; d->p1pr[i] -= d->p2mi[i]; d->p2mi[i] += tmp;
tmp = d->p1pi[i]; d->p1pi[i] += d->p2mr[i]; d->p2mr[i] -= tmp;
tmp = d->p1mr[i]; d->p1mr[i] += d->p2pi[i]; d->p2pi[i] -= tmp;
tmp = d->p1mi[i]; d->p1mi[i] -= d->p2pr[i]; d->p2pr[i] += tmp;
}
while((!full_ieee) && (l<=lmax))
{
Tv fx10=vload(fx[l+1][0]),fx11=vload(fx[l+1][1]);
Tv fx20=vload(fx[l+2][0]),fx21=vload(fx[l+2][1]);
Tv agr1=vzero, agi1=vzero, acr1=vzero, aci1=vzero;
Tv agr2=vzero, agi2=vzero, acr2=vzero, aci2=vzero;
full_ieee=1;
for (int i=0; i<nv2; ++i)
{
d->l1p[i] = (d->cth[i]*fx10 - fx11)*d->l2p[i] - d->l1p[i];
d->l1m[i] = (d->cth[i]*fx10 + fx11)*d->l2m[i] - d->l1m[i];
Tv l2p = d->l2p[i]*d->cfp[i], l2m = d->l2m[i]*d->cfm[i];
Tv l1p = d->l1p[i]*d->cfp[i], l1m = d->l1m[i]*d->cfm[i];
agr1 += d->p1pr[i]*l2m + d->p2mi[i]*l2p;
agi1 += d->p1pi[i]*l2m - d->p2mr[i]*l2p;
acr1 += d->p1mr[i]*l2m - d->p2pi[i]*l2p;
aci1 += d->p1mi[i]*l2m + d->p2pr[i]*l2p;
agr2 += d->p2pr[i]*l1p - d->p1mi[i]*l1m;
agi2 += d->p2pi[i]*l1p + d->p1mr[i]*l1m;
acr2 += d->p2mr[i]*l1p + d->p1pi[i]*l1m;
aci2 += d->p2mi[i]*l1p - d->p1pr[i]*l1m;
d->l2p[i] = (d->cth[i]*fx20 - fx21)*d->l1p[i] - d->l2p[i];
d->l2m[i] = (d->cth[i]*fx20 + fx21)*d->l1m[i] - d->l2m[i];
if (rescale(&d->l1p[i], &d->l2p[i], &d->scp[i], vload(sharp_ftol)))
getCorfac(d->scp[i], &d->cfp[i], gen->cf);
full_ieee &= vallTrue(vge(d->scp[i],vload(sharp_minscale)));
if (rescale(&d->l1m[i], &d->l2m[i], &d->scm[i], vload(sharp_ftol)))
getCorfac(d->scm[i], &d->cfm[i], gen->cf);
full_ieee &= vallTrue(vge(d->scm[i],vload(sharp_minscale)));
}
vhsum_cmplx_special (agr1,agi1,acr1,aci1,&alm[2*l]);
vhsum_cmplx_special (agr2,agi2,acr2,aci2,&alm[2*l+2]);
l+=2;
}
if (l>lmax) return;
for (int i=0; i<nv2; ++i)
{
d->l1p[i] *= d->cfp[i];
d->l2p[i] *= d->cfp[i];
d->l1m[i] *= d->cfm[i];
d->l2m[i] *= d->cfm[i];
}
map2alm_spin_kernel(d, fx, alm, l, lmax, nv2);
}
NOINLINE static void alm2map_deriv1_kernel(sxdata_v * restrict d,
const sharp_ylmgen_dbl2 * restrict fx, const dcmplx * restrict alm,
int l, int lmax, int nv2)
{
while (l<=lmax)
{
Tv fx10=vload(fx[l+1][0]),fx11=vload(fx[l+1][1]);
Tv fx20=vload(fx[l+2][0]),fx21=vload(fx[l+2][1]);
Tv ar1=vload(creal(alm[l ])), ai1=vload(cimag(alm[l ])),
ar2=vload(creal(alm[l+1])), ai2=vload(cimag(alm[l+1]));
for (int i=0; i<nv2; ++i)
{
d->l1p[i] = (d->cth[i]*fx10 - fx11)*d->l2p[i] - d->l1p[i];
d->l1m[i] = (d->cth[i]*fx10 + fx11)*d->l2m[i] - d->l1m[i];
Tv lw=d->l2p[i]+d->l2m[i];
d->p1pr[i] += ar1*lw;
d->p1pi[i] += ai1*lw;
Tv lx=d->l2m[i]-d->l2p[i];
d->p2mr[i] += ai1*lx;
d->p2mi[i] -= ar1*lx;
lw=d->l1p[i]+d->l1m[i];
d->p2pr[i] += ar2*lw;
d->p2pi[i] += ai2*lw;
lx=d->l1m[i]-d->l1p[i];
d->p1mr[i] += ai2*lx;
d->p1mi[i] -= ar2*lx;
d->l2p[i] = (d->cth[i]*fx20 - fx21)*d->l1p[i] - d->l2p[i];
d->l2m[i] = (d->cth[i]*fx20 + fx21)*d->l1m[i] - d->l2m[i];
}
l+=2;
}
}
NOINLINE static void calc_alm2map_deriv1(sharp_job * restrict job,
const sharp_Ylmgen_C * restrict gen, sxdata_v * restrict d, int nth)
{
int l,lmax=gen->lmax;
int nv2 = (nth+VLEN-1)/VLEN;
iter_to_ieee_spin(gen, d, &l, nv2);
job->opcnt += (l-gen->mhi) * 7*nth;
if (l>lmax) return;
job->opcnt += (lmax+1-l) * 17*nth;
const sharp_ylmgen_dbl2 * restrict fx = gen->coef;
const dcmplx * restrict alm=job->almtmp;
int full_ieee=1;
for (int i=0; i<nv2; ++i)
{
getCorfac(d->scp[i], &d->cfp[i], gen->cf);
getCorfac(d->scm[i], &d->cfm[i], gen->cf);
full_ieee &= vallTrue(vge(d->scp[i],vload(sharp_minscale))) &&
vallTrue(vge(d->scm[i],vload(sharp_minscale)));
}
while((!full_ieee) && (l<=lmax))
{
Tv fx10=vload(fx[l+1][0]),fx11=vload(fx[l+1][1]);
Tv fx20=vload(fx[l+2][0]),fx21=vload(fx[l+2][1]);
Tv ar1=vload(creal(alm[l ])), ai1=vload(cimag(alm[l ])),
ar2=vload(creal(alm[l+1])), ai2=vload(cimag(alm[l+1]));
full_ieee=1;
for (int i=0; i<nv2; ++i)
{
d->l1p[i] = (d->cth[i]*fx10 - fx11)*d->l2p[i] - d->l1p[i];
d->l1m[i] = (d->cth[i]*fx10 + fx11)*d->l2m[i] - d->l1m[i];
Tv lw=d->l2p[i]*d->cfp[i]+d->l2m[i]*d->cfm[i];
d->p1pr[i] += ar1*lw;
d->p1pi[i] += ai1*lw;
Tv lx=d->l2m[i]*d->cfm[i]-d->l2p[i]*d->cfp[i];
d->p2mr[i] += ai1*lx;
d->p2mi[i] -= ar1*lx;
lw=d->l1p[i]*d->cfp[i]+d->l1m[i]*d->cfm[i];
d->p2pr[i] += ar2*lw;
d->p2pi[i] += ai2*lw;
lx=d->l1m[i]*d->cfm[i]-d->l1p[i]*d->cfp[i];
d->p1mr[i] += ai2*lx;
d->p1mi[i] -= ar2*lx;
d->l2p[i] = (d->cth[i]*fx20 - fx21)*d->l1p[i] - d->l2p[i];
d->l2m[i] = (d->cth[i]*fx20 + fx21)*d->l1m[i] - d->l2m[i];
if (rescale(&d->l1p[i], &d->l2p[i], &d->scp[i], vload(sharp_ftol)))
{
getCorfac(d->scp[i], &d->cfp[i], gen->cf);
full_ieee &= vallTrue(vge(d->scp[i],vload(sharp_minscale)));
}
if (rescale(&d->l1m[i], &d->l2m[i], &d->scm[i], vload(sharp_ftol)))
{
getCorfac(d->scm[i], &d->cfm[i], gen->cf);
full_ieee &= vallTrue(vge(d->scm[i],vload(sharp_minscale)));
}
}
l+=2;
}
if (l>lmax) return;
for (int i=0; i<nv2; ++i)
{
d->l1p[i] *= d->cfp[i];
d->l2p[i] *= d->cfp[i];
d->l1m[i] *= d->cfm[i];
d->l2m[i] *= d->cfm[i];
}
alm2map_deriv1_kernel(d, fx, alm, l, lmax, nv2);
}
#define VZERO(var) do { memset(&(var),0,sizeof(var)); } while(0)
NOINLINE static void inner_loop_a2m(sharp_job *job, const int *ispair,
const double *cth_, const double *sth_, int llim, int ulim,
sharp_Ylmgen_C *gen, int mi, const int *mlim)
{
const int m = job->ainfo->mval[mi];
sharp_Ylmgen_prepare (gen, m);
switch (job->type)
{
case SHARP_ALM2MAP:
case SHARP_ALM2MAP_DERIV1:
{
if (job->spin==0)
{
//adjust the a_lm for the new algorithm
dcmplx * restrict alm=job->almtmp;
for (int il=0, l=gen->m; l<=gen->lmax; ++il,l+=2)
{
dcmplx al = alm[l];
dcmplx al1 = (l+1>gen->lmax) ? 0. : alm[l+1];
dcmplx al2 = (l+2>gen->lmax) ? 0. : alm[l+2];
alm[l ] = gen->alpha[il]*(gen->eps[l+1]*al + gen->eps[l+2]*al2);
alm[l+1] = gen->alpha[il]*al1;
}
const int nval=nv0*VLEN;
int ith=0;
int itgt[nval];
while (ith<ulim-llim)
{
s0data_u d;
VZERO(d.s.p1r); VZERO(d.s.p1i); VZERO(d.s.p2r); VZERO(d.s.p2i);
int nth=0;
while ((nth<nval)&&(ith<ulim-llim))
{
if (mlim[ith]>=m)
{
itgt[nth] = ith;
d.s.csq[nth]=cth_[ith]*cth_[ith];
d.s.sth[nth]=sth_[ith];
++nth;
}
else
{
int phas_idx = ith*job->s_th + mi*job->s_m;
job->phase[phas_idx] = job->phase[phas_idx+1] = 0;
}
++ith;
}
if (nth>0)
{
int i2=((nth+VLEN-1)/VLEN)*VLEN;
for (int i=nth; i<i2; ++i)
{
d.s.csq[i]=d.s.csq[nth-1];
d.s.sth[i]=d.s.sth[nth-1];
d.s.p1r[i]=d.s.p1i[i]=d.s.p2r[i]=d.s.p2i[i]=0.;
}
calc_alm2map (job, gen, &d.v, nth);
for (int i=0; i<nth; ++i)
{
int tgt=itgt[i];
//adjust for new algorithm
d.s.p2r[i]*=cth_[tgt];
d.s.p2i[i]*=cth_[tgt];
int phas_idx = tgt*job->s_th + mi*job->s_m;
complex double r1 = d.s.p1r[i] + d.s.p1i[i]*_Complex_I,
r2 = d.s.p2r[i] + d.s.p2i[i]*_Complex_I;
job->phase[phas_idx] = r1+r2;
if (ispair[tgt])
job->phase[phas_idx+1] = r1-r2;
}
}
}
}
else
{
//adjust the a_lm for the new algorithm
if (job->nalm==2)
for (int l=gen->mhi; l<=gen->lmax+1; ++l)
{
job->almtmp[2*l ]*=gen->alpha[l];
job->almtmp[2*l+1]*=gen->alpha[l];
}
else
for (int l=gen->mhi; l<=gen->lmax+1; ++l)
job->almtmp[l]*=gen->alpha[l];
const int nval=nvx*VLEN;
int ith=0;
int itgt[nval];
while (ith<ulim-llim)
{
sxdata_u d;
VZERO(d.s.p1pr); VZERO(d.s.p1pi); VZERO(d.s.p2pr); VZERO(d.s.p2pi);
VZERO(d.s.p1mr); VZERO(d.s.p1mi); VZERO(d.s.p2mr); VZERO(d.s.p2mi);
int nth=0;
while ((nth<nval)&&(ith<ulim-llim))
{
if (mlim[ith]>=m)
{
itgt[nth] = ith;
d.s.cth[nth]=cth_[ith]; d.s.sth[nth]=sth_[ith];
++nth;
}
else
{
int phas_idx = ith*job->s_th + mi*job->s_m;
job->phase[phas_idx ] = job->phase[phas_idx+1] = 0;
job->phase[phas_idx+2] = job->phase[phas_idx+3] = 0;
}
++ith;
}
if (nth>0)
{
int i2=((nth+VLEN-1)/VLEN)*VLEN;
for (int i=nth; i<i2; ++i)
{
d.s.cth[i]=d.s.cth[nth-1];
d.s.sth[i]=d.s.sth[nth-1];
d.s.p1pr[i]=d.s.p1pi[i]=d.s.p2pr[i]=d.s.p2pi[i]=0.;
d.s.p1mr[i]=d.s.p1mi[i]=d.s.p2mr[i]=d.s.p2mi[i]=0.;
}
(job->type==SHARP_ALM2MAP) ?
calc_alm2map_spin (job, gen, &d.v, nth) :
calc_alm2map_deriv1(job, gen, &d.v, nth);
for (int i=0; i<nth; ++i)
{
int tgt=itgt[i];
int phas_idx = tgt*job->s_th + mi*job->s_m;
complex double q1 = d.s.p1pr[i] + d.s.p1pi[i]*_Complex_I,
q2 = d.s.p2pr[i] + d.s.p2pi[i]*_Complex_I,
u1 = d.s.p1mr[i] + d.s.p1mi[i]*_Complex_I,
u2 = d.s.p2mr[i] + d.s.p2mi[i]*_Complex_I;
job->phase[phas_idx ] = q1+q2;
job->phase[phas_idx+2] = u1+u2;
if (ispair[tgt])
{
dcmplx *phQ = &(job->phase[phas_idx+1]),
*phU = &(job->phase[phas_idx+3]);
*phQ = q1-q2;
*phU = u1-u2;
if ((gen->mhi-gen->m+gen->s)&1)
{ *phQ=-(*phQ); *phU=-(*phU); }
}
}
}
}
}
break;
}
default:
{
UTIL_FAIL("must not happen");
break;
}
}
}
NOINLINE static void inner_loop_m2a(sharp_job *job, const int *ispair,
const double *cth_, const double *sth_, int llim, int ulim,
sharp_Ylmgen_C *gen, int mi, const int *mlim)
{
const int m = job->ainfo->mval[mi];
sharp_Ylmgen_prepare (gen, m);
switch (job->type)
{
case SHARP_MAP2ALM:
{
if (job->spin==0)
{
const int nval=nv0*VLEN;
int ith=0;
while (ith<ulim-llim)
{
s0data_u d;
int nth=0;
while ((nth<nval)&&(ith<ulim-llim))
{
if (mlim[ith]>=m)
{
d.s.csq[nth]=cth_[ith]*cth_[ith]; d.s.sth[nth]=sth_[ith];
int phas_idx = ith*job->s_th + mi*job->s_m;
dcmplx ph1=job->phase[phas_idx];
dcmplx ph2=ispair[ith] ? job->phase[phas_idx+1] : 0.;
d.s.p1r[nth]=creal(ph1+ph2); d.s.p1i[nth]=cimag(ph1+ph2);
d.s.p2r[nth]=creal(ph1-ph2); d.s.p2i[nth]=cimag(ph1-ph2);
//adjust for new algorithm
d.s.p2r[nth]*=cth_[ith];
d.s.p2i[nth]*=cth_[ith];
++nth;
}
++ith;
}
if (nth>0)
{
int i2=((nth+VLEN-1)/VLEN)*VLEN;
for (int i=nth; i<i2; ++i)
{
d.s.csq[i]=d.s.csq[nth-1];
d.s.sth[i]=d.s.sth[nth-1];
d.s.p1r[i]=d.s.p1i[i]=d.s.p2r[i]=d.s.p2i[i]=0.;
}
calc_map2alm (job, gen, &d.v, nth);
}
}
//adjust the a_lm for the new algorithm
dcmplx * restrict alm=job->almtmp;
dcmplx alm2 = 0.;
double alold=0;
for (int il=0, l=gen->m; l<=gen->lmax; ++il,l+=2)
{
dcmplx al = alm[l];
dcmplx al1 = (l+1>gen->lmax) ? 0. : alm[l+1];
alm[l ] = gen->alpha[il]*gen->eps[l+1]*al + alold*gen->eps[l]*alm2;
alm[l+1] = gen->alpha[il]*al1;
alm2=al;
alold=gen->alpha[il];
}
}
else
{
const int nval=nvx*VLEN;
int ith=0;
while (ith<ulim-llim)
{
sxdata_u d;
int nth=0;
while ((nth<nval)&&(ith<ulim-llim))
{
if (mlim[ith]>=m)
{
d.s.cth[nth]=cth_[ith]; d.s.sth[nth]=sth_[ith];
int phas_idx = ith*job->s_th + mi*job->s_m;
dcmplx p1Q=job->phase[phas_idx],
p1U=job->phase[phas_idx+2],
p2Q=ispair[ith] ? job->phase[phas_idx+1]:0.,
p2U=ispair[ith] ? job->phase[phas_idx+3]:0.;
if ((gen->mhi-gen->m+gen->s)&1)
{ p2Q=-p2Q; p2U=-p2U; }
d.s.p1pr[nth]=creal(p1Q+p2Q); d.s.p1pi[nth]=cimag(p1Q+p2Q);
d.s.p1mr[nth]=creal(p1U+p2U); d.s.p1mi[nth]=cimag(p1U+p2U);
d.s.p2pr[nth]=creal(p1Q-p2Q); d.s.p2pi[nth]=cimag(p1Q-p2Q);
d.s.p2mr[nth]=creal(p1U-p2U); d.s.p2mi[nth]=cimag(p1U-p2U);
++nth;
}
++ith;
}
if (nth>0)
{
int i2=((nth+VLEN-1)/VLEN)*VLEN;
for (int i=nth; i<i2; ++i)
{
d.s.cth[i]=d.s.cth[nth-1];
d.s.sth[i]=d.s.sth[nth-1];
d.s.p1pr[i]=d.s.p1pi[i]=d.s.p2pr[i]=d.s.p2pi[i]=0.;
d.s.p1mr[i]=d.s.p1mi[i]=d.s.p2mr[i]=d.s.p2mi[i]=0.;
}
calc_map2alm_spin(job, gen, &d.v, nth);
}
}
//adjust the a_lm for the new algorithm
for (int l=gen->mhi; l<=gen->lmax; ++l)
{
job->almtmp[2*l ]*=gen->alpha[l];
job->almtmp[2*l+1]*=gen->alpha[l];
}
}
break;
}
default:
{
UTIL_FAIL("must not happen");
break;
}
}
}
void inner_loop (sharp_job *job, const int *ispair,
const double *cth_, const double *sth_, int llim, int ulim,
sharp_Ylmgen_C *gen, int mi, const int *mlim)
{
(job->type==SHARP_MAP2ALM) ?
inner_loop_m2a(job,ispair,cth_,sth_,llim,ulim,gen,mi,mlim) :
inner_loop_a2m(job,ispair,cth_,sth_,llim,ulim,gen,mi,mlim);
}
#undef VZERO
int sharp_veclen(void)
{
return VLEN;
}
int sharp_max_nvec(int spin)
{
return (spin==0) ? nv0 : nvx;
}