From 8e19356b524f865c7d104a19f98a98adc5154592 Mon Sep 17 00:00:00 2001
From: Anton Khirnov <anton@khirnov.net>
Date: Thu, 30 Jan 2020 13:50:18 +0100
Subject: teukolsky_data: rename TD_FAMILY_SIMPLE_TIME_ANTISYM
 ->TD_FAMILY_TIME_ANTISYM_LINEAR

For consistency with previous commit.
---
 td_constraints.c  | 16 ++++++++--------
 teukolsky_data.h  |  5 +++--
 teukolsky_data.py |  2 +-
 3 files changed, 12 insertions(+), 11 deletions(-)

diff --git a/td_constraints.c b/td_constraints.c
index 73d48a7..25adde1 100644
--- a/td_constraints.c
+++ b/td_constraints.c
@@ -191,31 +191,31 @@ static const TDFamilyDef time_antisym_cubic = {
     .constraint_eval = constraint_funcs_confflat,
 };
 
-static double k_rtheta_eval_simple_time_antisym(TDConstraintEvalContext *ctx,
+static double k_rtheta_eval_time_antisym_linear(TDConstraintEvalContext *ctx,
                                                 double r, double theta)
 {
     const double r2 = SQR(r);
     return ctx->amplitude * r * exp(-r2) * sin(2.0 * theta);
 }
 
-static double k_rtheta_eval_dr_simple_time_antisym(TDConstraintEvalContext *ctx,
+static double k_rtheta_eval_dr_time_antisym_linear(TDConstraintEvalContext *ctx,
                                                    double r, double theta)
 {
     const double r2 = SQR(r);
     return ctx->amplitude * (1.0 - 2.0 * r2) * exp(-r2) * sin(2.0 * theta);
 }
 
-static double k_rtheta_eval_dt_simple_time_antisym(TDConstraintEvalContext *ctx,
+static double k_rtheta_eval_dt_time_antisym_linear(TDConstraintEvalContext *ctx,
                                                    double r, double theta)
 {
     const double r2 = SQR(r);
     return 2.0 * ctx->amplitude * r * exp(-r2) * cos(2.0 * theta);
 }
 
-static const TDFamilyDef simple_time_antisym = {
-    .eval_krt    = k_rtheta_eval_simple_time_antisym,
-    .eval_krt_dr = k_rtheta_eval_dr_simple_time_antisym,
-    .eval_krt_dt = k_rtheta_eval_dt_simple_time_antisym,
+static const TDFamilyDef time_antisym_linear = {
+    .eval_krt    = k_rtheta_eval_time_antisym_linear,
+    .eval_krt_dr = k_rtheta_eval_dr_time_antisym_linear,
+    .eval_krt_dt = k_rtheta_eval_dt_time_antisym_linear,
     //.a_converge  = 1.018918628476058,
     .a_converge  = 1.0189186,
     .a_diverge   = 1.018918628476968,
@@ -224,7 +224,7 @@ static const TDFamilyDef simple_time_antisym = {
 
 static const TDFamilyDef *td_families[] = {
     [TD_FAMILY_TIME_ANTISYM_CUBIC] = &time_antisym_cubic,
-    [TD_FAMILY_SIMPLE_TIME_ANTISYM] = &simple_time_antisym,
+    [TD_FAMILY_TIME_ANTISYM_LINEAR] = &time_antisym_linear,
 };
 
 double tdi_constraint_eval_k_rtheta(TDConstraintEvalContext *ctx, double r, double theta)
diff --git a/teukolsky_data.h b/teukolsky_data.h
index 943407b..0394260 100644
--- a/teukolsky_data.h
+++ b/teukolsky_data.h
@@ -51,13 +51,14 @@ enum TDFamily {
      */
     TD_FAMILY_TIME_ANTISYM_CUBIC = 0,
     /**
-     * Simpler time-antisymmetric initial data.
+     * Time-antisymmetric initial data with a linear radial term multiplied by
+     * an exponential and a quadrupole angular term.
      * Conformally flat spatial metric.
      *  r       x       /    x  2  \
      * K  = a  ---  exp| - (---)    | sin(2θ)
      *  θ       L       \    L     /
      */
-    TD_FAMILY_SIMPLE_TIME_ANTISYM,
+    TD_FAMILY_TIME_ANTISYM_LINEAR,
 };
 
 typedef struct TDContext {
diff --git a/teukolsky_data.py b/teukolsky_data.py
index 2b6198e..a819e5c 100644
--- a/teukolsky_data.py
+++ b/teukolsky_data.py
@@ -22,7 +22,7 @@ import numpy as np
 class TeukolskyData(object):
 
     TD_FAMILY_TIME_ANTISYM_CUBIC  = 0
-    TD_FAMILY_SIMPLE_TIME_ANTISYM = 1
+    TD_FAMILY_TIME_ANTISYM_LINEAR = 1
 
     coeffs = None
 
-- 
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