/// <summary>
/// Writes functions to copy GMVs to SMVs
/// </summary>
/// <param name="S"></param>
/// <param name="cgd">Results go here. Also intermediate data for code generation. Also contains plugins and cog.</param>
public static void WriteGMVtoSMVcopy(Specification S, G25.CG.Shared.CGdata cgd, G25.FloatType FT, G25.SMV smv)
{
StringBuilder defSB = cgd.m_defSB;
G25.GMV gmv = S.m_GMV;
string srcClassName = FT.GetMangledName(S, gmv.Name);
//string dstClassName = FT.GetMangledName(S, smv.Name);
bool dstPtr = false;
string[] smvAccessStr = G25.CG.Shared.CodeUtil.GetAccessStr(S, smv, G25.CG.Shared.SmvUtil.THIS, dstPtr);
string funcName = GMV.GetSetFuncName(S);
string FINAL = (S.OutputJava()) ? "final " : "";
string funcDecl = "\tpublic " + FINAL + "void " + funcName + "(" + FINAL + srcClassName + " src)";
defSB.Append(funcDecl);
{
defSB.AppendLine(" {");
// get a dictionary which tells you for each basis blade of 'smv' where it is in 'gmv'
// A dictionary from <smv group, smv element> to <gmv group, gmv element>
Dictionary<Tuple<int, int>, Tuple<int, int>> D = G25.MV.GetCoordMap(smv, gmv);
// what is the highest group of the 'gmv' that must be (partially) copied to the 'smv'
int highestGroup = -1;
foreach (KeyValuePair<Tuple<int, int>, Tuple<int, int>> KVP in D)
if (KVP.Value.Value1 > highestGroup) highestGroup = KVP.Value.Value1;
// generate code for each group
for (int g = 0; g <= highestGroup; g++)
{
// determine if group 'g' is to be copied to smv:
bool groupIsUsedBySMV = false;
foreach (KeyValuePair<Tuple<int, int>, Tuple<int, int>> KVP in D)
{
// KVP.Key = SMV<group, element>
// KVP.Value = GMV<group, element>
if (KVP.Value.Value1 == g)
{
if (!smv.IsCoordinateConstant(KVP.Key.Value2))
{
groupIsUsedBySMV = true;
break;
}
}
}
// if group is present in GMV:
if (groupIsUsedBySMV)
{
defSB.AppendLine("\t\tif (src.c()[" + g + "] != null) {");
defSB.AppendLine("\t\t\t" + FT.type + "[] ptr = src.c()[" + g + "];");
bool mustCast = false;
bool srcPtr = true;
int nbTabs = 3;
RefGA.Multivector[] value = G25.CG.Shared.Symbolic.GMVtoSymbolicMultivector(S, gmv, "ptr", srcPtr, g);
bool writeZeros = false;
string str = G25.CG.Shared.CodeUtil.GenerateSMVassignmentCode(S, FT, mustCast, smv, G25.CG.Shared.SmvUtil.THIS, dstPtr, value[g], nbTabs, writeZeros);
defSB.Append(str);
defSB.AppendLine("\t\t}");
defSB.AppendLine("\t\telse {");
foreach (KeyValuePair<Tuple<int, int>, Tuple<int, int>> KVP in D)
{
if ((KVP.Value.Value1 == g) && (!smv.IsCoordinateConstant(KVP.Key.Value2)))
{
// translate KVP.Key.Value2 to non-const idx, because the accessStrs are only about non-const blades blades!
int bladeIdx = smv.BladeIdxToNonConstBladeIdx(KVP.Key.Value2);
defSB.AppendLine("\t\t\t" + smvAccessStr[bladeIdx] + " = " + FT.DoubleToString(S, 0.0) + ";");
}
}
defSB.AppendLine("\t\t}");
}
}
defSB.AppendLine("\t}");
}
}