func (b *magnetization) SetArray(src *data.Slice) {
if src.Size() != b.Mesh().Size() {
src = data.Resample(src, b.Mesh().Size())
}
data.Copy(b.Buffer(), src)
M.normalize()
}
func (m *magnetization) resize() {
backup := m.Buffer().HostCopy()
s2 := Mesh().Size()
resized := data.Resample(backup, s2)
m.buffer_.Free()
m.buffer_ = cuda.NewSlice(VECTOR, s2)
data.Copy(m.buffer_, resized)
}
// An Add(mask, f) equivalent for Go use
func (e *excitation) AddGo(mask *data.Slice, mul func() float64) {
if mask != nil {
checkNaN(mask, e.Name()+".add()") // TODO: in more places
mask = data.Resample(mask, e.Mesh().Size())
mask = assureGPU(mask)
}
e.extraTerms = append(e.extraTerms, mulmask{mul, mask})
}
// Load regions from ovf file, use first component.
// Regions should be between 0 and 256
func (r *Regions) LoadFile(fname string) {
inSlice := LoadFile(fname)
n := r.Mesh().Size()
inSlice = data.Resample(inSlice, n)
inArr := inSlice.Tensors()[0]
l := r.HostList()
arr := reshapeBytes(l, n)
for iz := 0; iz < n[Z]; iz++ {
for iy := 0; iy < n[Y]; iy++ {
for ix := 0; ix < n[X]; ix++ {
val := inArr[iz][iy][ix]
if val < 0 || val > 256 {
util.Fatal("regions.LoadFile(", fname, "): all values should be between 0 & 256, have: ", val)
}
arr[iz][iy][ix] = byte(val)
}
}
}
r.gpuCache.Upload(l)
}
func resize(f *data.Slice, arg string) {
s := parseSize(arg)
resized := data.Resample(f, s)
*f = *resized
}