Initial commit.

The following code is present:
* the basis API
* the BiCGSTAB solver
* the pseudospectral linear system solver
* helper APIs:
        - threadpool
        - logging
        - cpuid

1 files changed, 47 insertions, 0 deletions

diff --git a/basis.h b/basis.h
new file mode 100644
index 0000000..b2bcb7c
--- /dev/null
+++ b/basis.h
@@ -0,0 +1,47 @@
+/*
+ * Basis sets for pseudospectral methods
+ * Copyright 2017 Anton Khirnov <anton@khirnov.net>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef TEUKOLSKY_DATA_BASIS_H
+#define TEUKOLSKY_DATA_BASIS_H
+
+enum BSEvalType {
+    BS_EVAL_TYPE_VALUE,
+    BS_EVAL_TYPE_DIFF1,
+    BS_EVAL_TYPE_DIFF2,
+};
+
+enum BasisFamily {
+    BASIS_FAMILY_TB_EVEN,
+    BASIS_FAMILY_SB_EVEN,
+    BASIS_FAMILY_SB_ODD,
+    BASIS_FAMILY_COS,
+    BASIS_FAMILY_COS_EVEN,
+    BASIS_FAMILY_COS_4,
+};
+
+typedef struct BasisSetContext BasisSetContext;
+
+int tdi_basis_init(BasisSetContext **ctx, enum BasisFamily family, double sf);
+void tdi_basis_free(BasisSetContext **ctx);
+
+double tdi_basis_eval(const BasisSetContext *ctx, enum BSEvalType type,
+                      double coord, unsigned int order);
+double tdi_basis_colloc_point(const BasisSetContext *ctx, unsigned int order,
+                              unsigned int idx);
+
+#endif /* TEUKOLSKY_DATA_BASIS_H */