initial upload

src/sparseMatrix.h

@@ -0,0 +1,44 @@
+/*
+ * sparseMatrix.h
+ *
+ * This file contains declarations for functions in sparseMatrix.c. There may be
+ * useful functions in sparseMatrix.c that are not represented here.
+ */
+
+#ifndef SPARSE_MATRIX_H_INCLUDED
+#define SPARSE_MATRIX_H_INCLUDED
+
+#include "type_sizes.h"
+
+/*
+ * Initialize a sparse matrix. Note that the matrix is stored as a static
+ * variable in sparseMatrix.c, so if a matrix is already initialized then it
+ * will get clobbered if this function is called a second time.
+ */
+void createSparseMatrix(
+        int_ptrsize numberOfEquations,
+        int_ptrsize sparseMatrixEntrySize,
+        int_ptrsize Compression,
+        double Epsilon);
+
+/*
+ * Return TRUE if i,j exists and FALSE otherwise. This function assumes that the
+ * matrix has been initialized.
+ */
+int_ptrsize entryExists(
+        int_ptrsize index_i,
+        int_ptrsize index_j);
+
+/*
+ * Set the i, j entry in the matrix. This function assumes that the matrix has
+ * been initialized.
+ */
+void setEntry(
+        int_ptrsize index_i,
+        int_ptrsize index_j,
+        double volContrib,
+        double *value);
+
+void setDiagonalEntries();
+
+#endif /* SPARSE_MATRIX_H_INCLUDED */