useDynLib(spam, .registration = TRUE)

#importFrom("grid", "grid.layout", "grid.draw", "unit", "gTree", "gList", "gpar",
#                "textGrob", "rectGrob", "linesGrob", "yaxisGrob", "xaxisGrob", "pointsGrob",
#                "editGrob", "grobHeight", "stringHeight",
#                "plotViewport","viewport","dataViewport",
#                "vpStack","vpList")
import("grid")


importFrom("dotCall64", ".C64", "integer_dc", "numeric_dc", "vector_dc")
         # these are the only functions exported by dotCall64, btw.

importFrom("grDevices", "gray", "heat.colors")
importFrom("graphics",
           "axis", "box", "image.default", "par", "points", "polygon", "text")
importFrom("methods",
           "callGeneric", "is", "new", "slot<-",  "validObject", "hasArg")
importFrom("stats", "optim", "rnorm", "runif", "rbinom", "rchisq", "var", "dist")
importFrom("utils", "help", "object.size")

# Next two paragraphs are from Matrix....
# Currently, group generics need to be explicitly imported (Bug?):
importFrom("methods", #Arith,Compare,
           Math, Math2, Summary#, Complex
           )


S3method("all.equal","spam")
#S3method("as.matrix.csr","spam")
S3method("as.matrix","spam")
S3method("as.vector","spam")
S3method("determinant","spam")
S3method("determinant","spam.chol.NgPeyton")
S3method("chol","spam")
S3method("diff","spam")
S3method("dim<-","spam")
S3method("head","spam")
S3method("image","spam")
S3method("isSymmetric","spam")
S3method("plot","spam")
S3method("print","spam")
S3method("print","spam.chol.NgPeyton")
S3method("solve","spam")
#S3method("subset_rows","spam")
S3method("subset","spam")
S3method("summary","spam")
S3method("summary","spam.chol.NgPeyton")
S3method("print","summary.spam")
S3method("print","summary.spam.chol.NgPeyton")
S3method("t","spam")
S3method("tail","spam")
S3method("update","spam.chol.NgPeyton")

S3method("cbind","spam")
S3method("rbind","spam")

# Generic functions
export(
       "spam_random",
       "validspamobject",   # __DEFUNCT__

       "is.spam",

       "spam.version",
       "spam.Version",

       "validate_spam",

       "nearest.dist",
       "spam_rdist",
       "spam_rdist.earth",

       "as.spam.matrix",
       "as.spam.numeric",
       "as.spam.spam",
       "as.spam.dist",
       "as.spam.chol.NgPeyton",
       "as.spam.list",

       "as.vector.spam",
       "as.matrix.spam",
       "spam.list",
       "spam.numeric",

       "diag.of.spam",
       "diag.spam",
       "spam_diag",
       "diag<-.spam",
       "diag.spam<-",
       "rbind.spam",
       "cbind.spam",
       "upper.tri.spam",
       "lower.tri.spam",
       "t.spam",

       "dim<-.spam",
       "pad<-.spam",

       "isSymmetric.spam",
       "all.equal.spam",

       "kronecker.default",
       "kronecker.spam",

       "gmult",

       "diff.spam",

       "circulant.spam",
       "toeplitz.spam",

       "determinant.spam",
       "determinant.spam.chol.NgPeyton",
       "det",# << "identical" as base - but with correct determinant()
       "chol.spam",
       "solve.spam",
       "forwardsolve.spam",
       "backsolve.spam",
       "update.spam.chol.NgPeyton",

       "norm.spam",

       "plot.spam",
       "display.spam",
       "image.spam",

       "print.spam",
       "summary.spam",
       "print.spam.chol.NgPeyton",
       "summary.spam.chol.NgPeyton",

       "apply.spam",

       "rmvnorm",
       "rmvnorm.spam",
       "rmvnorm.canonical",
       "rmvnorm.prec",
       "rmvnorm.const",
       "rmvnorm.canonical.const",
       "rmvnorm.prec.const",
       "rmvnorm.conditional",
       "rmvnorm.cond",

       "rmvt",
       "rmvt.spam",

       "rgrf",

       "precmat",
       "precmat.RW1",
       "precmat.RW2",
       "precmat.RWn",
       "precmat.season",
       "precmat.IGMRFreglat",
       "precmat.IGMRFirreglat",
       "precmat.GMRFreglat",

       "covmat",
       "cov.exp",
       "cov.sph",
       "cor.sph",
       "cov.nug",
       "cov.wu1",
       "cov.wu2",
       "cov.wu3",
       "cov.wend1",
       "cov.wend2",
       "cov.mat",
       "cov.finnmat",
    "cov.mat12",
    "cov.mat32",
    "cov.mat52",


       "rowSums.spam",
       "colSums.spam",
       "rowMeans.spam",
       "colMeans.spam",

       "head.spam",
       "tail.spam",

       "chol2inv.spam",

       "mle",
       "mle.spam",
       "mle.nomean",
       "mle.nomean.spam",
       "neg2loglikelihood",
       "neg2loglikelihood.nomean",
       "neg2loglikelihood.spam",

       "bdiag.spam",

       "var.spam",
       "eigen.spam",
       "eigen_approx",

       "bandwidth",

#       ".spam.matmul.mat",
#       ".spam.matmul",
#       "solve.spam.mat",
#       "solve.spam.dummy",

        "subset.spam",
#       "subset_rows.spam",

        "triplet",
        "as.spam.matrix.csr",
#       "as.matrix.csr.spam",
        "as.dgRMatrix.spam",
        "as.dgCMatrix.spam",
        "as.spam.dgRMatrix",
        "as.spam.dgCMatrix",

        "read.MM",
        "read.HB",

        "powerboost",

        "permutation.spam",

        "crossprod.spam",
        "tcrossprod.spam",

        "map.landkreis",
        "adjacency.landkreis",

        "germany.plot",
#       "germany.info",

        "grid_trace2",
        "grid_zoom",

        "rowpointers<-",
        "entries<-",
        "colindices<-",
        "dimension<-",

        "cleanup",
#       "backsolve"

        "print_nnzpos"
)


# export the two classes
exportClasses("spam",
              "spam.chol.NgPeyton")

exportMethods(
              "Math",
              "Math2",
              "Summary",

         #     "show",
              "print",
              "image",
              "display",

              "spam",
              "as.spam",

              "isSymmetric",
              "all.equal",

              "summary",
              "length",
              "length<-",
              "c",
              "dim",
              "dim<-",
              "pad<-",

              "rbind",
              "cbind",
              "as.spam",
              "spam",
              "as.vector",
              "as.matrix",
              "determinant",
              "t",
              "diag",
              "diag<-",
              "upper.tri",
              "lower.tri",

              "norm",
              "rowSums",
              "rowMeans",
              "colSums",
              "colMeans",

              "head",
              "tail",

              "chol",
              "ordering",
              "forwardsolve",
              "backsolve",
              "solve",
              "chol2inv",

              "kronecker",

              "permutation",

              "crossprod",
              "tcrossprod",


              "[",
              "[<-",

              "%*%",
              "%d*%",
              "%d+%",
              "-",
              "+",
              "*",
              "/",
              "&",
              "|"
)