From f0460fe03fff8c5c567756149e39ff25a7663b1c Mon Sep 17 00:00:00 2001
From: Anton Khirnov <anton@khirnov.net>
Date: Thu, 1 Oct 2015 12:10:55 +0200
Subject: Prepare for radial basis.

---
 brill_data.h | 74 +++++++++++++++++++++++-------------------------------------
 1 file changed, 28 insertions(+), 46 deletions(-)

(limited to 'brill_data.h')

diff --git a/brill_data.h b/brill_data.h
index e928db9..621998d 100644
--- a/brill_data.h
+++ b/brill_data.h
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014 Anton Khirnov <anton@khirnov.net>
+ * Copyright 2014-2015 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
@@ -51,9 +51,26 @@ typedef struct BDContext {
      */
     void *priv;
 
-    /*******************************
-     *  options, set by the caller *
-     *******************************/
+    /********************************
+     *  options, set by the caller  *
+     ********************************/
+
+    /**
+     * A callback that will be used to print diagnostic messages.
+     *
+     * Defaults to fprintf(stderr, ...)
+     */
+    void (*log_callback)(const struct BDContext *bd, int level,
+                         const char *fmt, va_list);
+
+    /**
+     * Arbitrary user data, e.g. to be used by the log callback.
+     */
+    void *opaque;
+
+    /********************************
+     *  initial data parameters     *
+     ********************************/
 
     /**
      * The choice of the q function in the exponent.
@@ -72,54 +89,19 @@ typedef struct BDContext {
      */
     unsigned int eppley_n;
 
-    /* the solver parameters */
-
-    /**
-     * The number of basis functions in the ρ direction.
-     * Defaults to 80.
-     */
-    unsigned int nb_coeffs_rho;
-    /**
-     * The number of basis functions in the z direction. 0 means the same as
-     * nb_coeffs_rho. Defaults to 0.
-     * Using values other than 0 or nb_coeffs_rho is unsupported for now.
-     */
-    unsigned int nb_coeffs_z;
-
-    /**
-     * The difference between the number of collocation points and the number
-     * of basis functions in the rho direction. I.e. the number of collocation
-     * points used will be nb_coeffs_rho + overdet_rho.
-     * Defaults to 0;
-     */
-    int overdet_rho;
-    /**
-     * Same as overdet_rho, but for the z direction.
-     */
-    int overdet_z;
-
-    /**
-     * The scaling factor used in the basis functions in the ρ direction.
-     * Defaults to 3.
-     */
-    double basis_scale_factor_rho;
-    /**
-     * Same as basis_scale_factor_rho, but for the z direction
-     */
-    double basis_scale_factor_z;
+    /********************************
+     *        solver options        *
+     ********************************/
 
     /**
-     * A callback that will be used to print diagnostic messages.
-     *
-     * Defaults to fprintf(stderr, ...)
+     * The number of basis functions in each direction.
      */
-    void (*log_callback)(const struct BDContext *bd, int level,
-                         const char *fmt, va_list);
+    unsigned int nb_coeffs[2];
 
     /**
-     * Arbitrary user data, e.g. to be used by the log callback.
+     * The scaling factor used in the basis functions.
      */
-    void *opaque;
+    double basis_scale_factor[2];
 
     /**********
      * output *
-- 
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