//
// dslashReference()
//
// if oddBit is zero: calculate odd parity spinor elements (using even parity spinor)
// if oddBit is one: calculate even parity spinor elements
//
// if daggerBit is zero: perform ordinary dslash operator
// if daggerBit is one: perform hermitian conjugate of dslash
//
void dslashReference(float *res, float **gaugeFull, float *spinorField, int oddBit, int daggerBit) {
zero(res, Nh*4*3*2);
float *gaugeEven[4], *gaugeOdd[4];
for (int dir = 0; dir < 4; dir++) {
gaugeEven[dir] = gaugeFull[dir];
gaugeOdd[dir] = gaugeFull[dir]+Nh*gaugeSiteSize;
}
for (int i = 0; i < Nh; i++) {
for (int dir = 0; dir < 8; dir++) {
float *gauge = gaugeLink(i, dir, oddBit, gaugeEven, gaugeOdd);
float *spinor = spinorNeighbor(i, dir, oddBit, spinorField);
float projectedSpinor[4*3*2], gaugedSpinor[4*3*2];
int projIdx = 2*(dir/2)+(dir+daggerBit)%2;
multiplySpinorByDiracProjector(projectedSpinor, projIdx, spinor);
for (int s = 0; s < 4; s++) {
if (dir % 2 == 0)
su3_mul(&gaugedSpinor[s*(3*2)], gauge, &projectedSpinor[s*(3*2)]);
else
su3_Tmul(&gaugedSpinor[s*(3*2)], gauge, &projectedSpinor[s*(3*2)]);
}
sum(&res[i*(4*3*2)], &res[i*(4*3*2)], gaugedSpinor, 4*3*2);
}
}
}
void dslashReference(sFloat *res, gFloat **gaugeFull, gFloat **ghostGauge, sFloat *spinorField,
sFloat **fwdSpinor, sFloat **backSpinor, int oddBit, int daggerBit) {
for (int i=0; i<Vh*mySpinorSiteSize; i++) res[i] = 0.0;
gFloat *gaugeEven[4], *gaugeOdd[4];
gFloat *ghostGaugeEven[4], *ghostGaugeOdd[4];
for (int dir = 0; dir < 4; dir++) {
gaugeEven[dir] = gaugeFull[dir];
gaugeOdd[dir] = gaugeFull[dir]+Vh*gaugeSiteSize;
ghostGaugeEven[dir] = ghostGauge[dir];
ghostGaugeOdd[dir] = ghostGauge[dir] + (faceVolume[dir]/2)*gaugeSiteSize;
}
for (int i = 0; i < Vh; i++) {
for (int dir = 0; dir < 8; dir++) {
gFloat *gauge = gaugeLink_mg4dir(i, dir, oddBit, gaugeEven, gaugeOdd, ghostGaugeEven, ghostGaugeOdd, 1, 1);
sFloat *spinor = spinorNeighbor_mg4dir(i, dir, oddBit, spinorField, fwdSpinor, backSpinor, 1, 1);
sFloat projectedSpinor[mySpinorSiteSize], gaugedSpinor[mySpinorSiteSize];
int projIdx = 2*(dir/2)+(dir+daggerBit)%2;
multiplySpinorByDiracProjector(projectedSpinor, projIdx, spinor);
for (int s = 0; s < 4; s++) {
if (dir % 2 == 0) su3Mul(&gaugedSpinor[s*(3*2)], gauge, &projectedSpinor[s*(3*2)]);
else su3Tmul(&gaugedSpinor[s*(3*2)], gauge, &projectedSpinor[s*(3*2)]);
}
sum(&res[i*(4*3*2)], &res[i*(4*3*2)], gaugedSpinor, 4*3*2);
}
}
}
