public static ScalarSegments ReUseScalarSegments(Complex *ptr, ScalarPlan plan, GreenScalars scalars, int length)
{
var radii = scalars.Radii;
int nComp = scalars.GetNumberOfAvailableIs(plan);
int nRho = radii.Length - 1;
var segments = new SingleScalarSegment[nRho];
long oneSegmentSize = length * nComp * 2L;
for (int i = 0; i < segments.Length; i++)
{
var startPtr = ptr + oneSegmentSize * i;
segments[i] = new SingleScalarSegment(plan, startPtr, length, nComp);
}
return(new ScalarSegments(ptr, radii, segments));
}
public static ScalarSegments AllocateScalarSegments(INativeMemoryProvider memoryProvider, ScalarPlan plan, GreenScalars scalars, int length)
{
var radii = scalars.Radii;
int nRho = radii.Length - 1;
var segments = new SingleScalarSegment[nRho];
int nComp = scalars.GetNumberOfAvailableIs(plan);
var ptr = memoryProvider.AllocateComplex(length * nComp * 2L * nRho);
long oneSegmentSize = length * nComp * 2L;
for (int i = 0; i < segments.Length; i++)
{
var startPtr = ptr + oneSegmentSize * i;
segments[i] = new SingleScalarSegment(plan, startPtr, length, nComp);
}
return(new ScalarSegments(memoryProvider, ptr, radii, segments));
}