--- /dev/null
+/* complex/test_source.c
+ *
+ * Copyright (C) 1996, 1997, 1998, 1999, 2000, 2007 Brian Gough
+ * Copyright (C) 2021 Patrick Alken
+ *
+ * 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+struct f
+{
+ char *name;
+ double (*f) (gsl_complex z);
+ double x;
+ double y;
+ double fx;
+ double fy;
+};
+
+struct fz
+{
+ char *name;
+ gsl_complex (*f) (gsl_complex z);
+ double x;
+ double y;
+ double fx;
+ double fy;
+};
+
+struct fzz
+{
+ char *name;
+ gsl_complex (*f) (gsl_complex z1, gsl_complex z2);
+ double x1;
+ double y1;
+ double x2;
+ double y2;
+ double fx;
+ double fy;
+};
+
+
+struct freal
+{
+ char *name;
+ gsl_complex (*f) (double x);
+ double x;
+ double fx;
+ double fy;
+};
+
+struct fzreal
+{
+ char *name;
+ gsl_complex (*f) (gsl_complex z, double a);
+ double x;
+ double y;
+ double a;
+ double fx;
+ double fy;
+};
+
+#define FN(x) "gsl_complex_" #x, gsl_complex_ ## x
+#define ARG(x,y) x, y
+#define RES(x,y) x, y
+
+struct f list[] =
+{
+#include "results1.h"
+ {"", 0, 0, 0, 0, 0}
+};
+
+
+struct fz listz[] =
+{
+#include "results.h"
+ {"", 0, 0, 0, 0, 0}
+};
+
+struct fzz listzz[] =
+{
+ {FN (pow), ARG(0.0,0.0), ARG(0.0,0.0), RES(1.0, 0.0)},
+#include "results2.h"
+ {"", 0, 0, 0, 0, 0, 0, 0}
+};
+
+struct freal listreal[] =
+{
+#include "results_real.h"
+ {"", 0, 0, 0, 0}
+};
+
+
+struct fzreal listzreal[] =
+{
+#include "results_zreal.h"
+ {"", 0, 0, 0, 0, 0, 0}
+};
+
+
+#ifndef TEST_FACTOR
+#ifdef RELEASED
+#define TEST_FACTOR 100.0
+#else
+#define TEST_FACTOR 1.0
+#endif
+#endif
+
+static int
+FUNCTION (test, all) ()
+{
+ size_t i = 0;
+#if defined(BASE_DOUBLE)
+ const double tol = GSL_DBL_EPSILON;
+#endif
+
+ gsl_ieee_env_setup();
+
+ for (i = 0 ; i < 10; i++)
+ {
+ ATOMIC x = (i - 5.0) * 0.3;
+ ATOMIC y = (i + 2.1) * 0.5;
+ TYPE(gsl_complex) z = gsl_complex_rect(x, y);
+
+ gsl_test_rel (GSL_REAL(z), x, tol, "gsl_complex_rect real part at (x=%g,y=%g)", x, y);
+ gsl_test_rel (GSL_IMAG(z), y, tol, "gsl_complex_rect imag part at (x=%g,y=%g)", x, y);
+
+ GSL_REAL(z) = y;
+ gsl_test_rel (GSL_REAL(z), y, tol, "assignment real part (%g)", y);
+
+ GSL_IMAG(z) = x;
+ gsl_test_rel (GSL_IMAG(z), x, tol, "assignment imag part (%g)", x);
+ }
+
+ for (i = 0 ; i < 10; i++)
+ {
+ ATOMIC r = (i - 5.0) * 0.3 ;
+ ATOMIC t = 2.0 * M_PI * i / 5 ;
+ ATOMIC x = r * cos(t), y = r * sin(t) ;
+ TYPE(gsl_complex) z = gsl_complex_polar (r, t) ;
+ gsl_test_rel (GSL_REAL(z), x, tol, "gsl_complex_polar real part at (r=%g,t=%g)", r, t);
+ gsl_test_rel (GSL_IMAG(z), y, tol, "gsl_complex_polar imag part at (r=%g,t=%g)", r, t);
+ }
+
+ i = 0;
+
+ while (list[i].f)
+ {
+ struct f t = list[i];
+ TYPE(gsl_complex) z = gsl_complex_rect (t.x, t.y);
+ ATOMIC f = (t.f) (z);
+ gsl_test_rel (f, t.fx, tol, "%s at (%g,%g)", t.name, t.x, t.y);
+ i++;
+ }
+
+ i = 0;
+
+ while (listz[i].f)
+ {
+ struct fz t = listz[i];
+ TYPE(gsl_complex) z = gsl_complex_rect (t.x, t.y);
+ TYPE(gsl_complex) fz = (t.f) (z);
+ ATOMIC fx = GSL_REAL (fz), fy = GSL_IMAG (fz);
+
+#ifdef DEBUG
+ printf("x = "); gsl_ieee_fprintf_double (stdout, &t.x); printf("\n");
+ printf("y = "); gsl_ieee_fprintf_double (stdout, &t.y); printf("\n");
+ printf("fx = "); gsl_ieee_fprintf_double (stdout, &fx); printf("\n");
+ printf("ex = "); gsl_ieee_fprintf_double (stdout, &t.fx); printf("\n");
+ printf("fy = "); gsl_ieee_fprintf_double (stdout, &fy); printf("\n");
+ printf("ey = "); gsl_ieee_fprintf_double (stdout, &t.fy); printf("\n");
+#endif
+
+ gsl_test_rel (fx, t.fx, 10.0 * tol, "%s real part at (%g,%g)", t.name, t.x, t.y);
+ gsl_test_rel (fy, t.fy, 10.0 * tol, "%s imag part at (%g,%g)", t.name, t.x, t.y);
+ i++;
+ }
+
+ i = 0;
+
+ while (listzz[i].f)
+ {
+ struct fzz t = listzz[i];
+ TYPE(gsl_complex) z1 = gsl_complex_rect (t.x1, t.y1);
+ TYPE(gsl_complex) z2 = gsl_complex_rect (t.x2, t.y2);
+ TYPE(gsl_complex) fz = (t.f) (z1, z2);
+ ATOMIC fx = GSL_REAL (fz), fy = GSL_IMAG (fz);
+
+#ifdef DEBUG
+ printf("x1 = "); gsl_ieee_fprintf_double (stdout, &t.x1); printf("\n");
+ printf("y1 = "); gsl_ieee_fprintf_double (stdout, &t.y1); printf("\n");
+ printf("x2 = "); gsl_ieee_fprintf_double (stdout, &t.x2); printf("\n");
+ printf("y2 = "); gsl_ieee_fprintf_double (stdout, &t.y2); printf("\n");
+ printf("fx = "); gsl_ieee_fprintf_double (stdout, &fx); printf("\n");
+ printf("ex = "); gsl_ieee_fprintf_double (stdout, &t.fx); printf("\n");
+ printf("fy = "); gsl_ieee_fprintf_double (stdout, &fy); printf("\n");
+ printf("ey = "); gsl_ieee_fprintf_double (stdout, &t.fy); printf("\n");
+#endif
+
+ gsl_test_rel (fx, t.fx, 1.0e3 * tol, "%s real part at (%g,%g;%g,%g)", t.name, t.x1, t.y1, t.x2, t.y2);
+ gsl_test_rel (fy, t.fy, 1.0e3 * tol, "%s imag part at (%g,%g;%g,%g)", t.name, t.x1, t.y1, t.x2, t.y2);
+ i++;
+ }
+
+ i = 0;
+
+ while (listreal[i].f)
+ {
+ struct freal t = listreal[i];
+ TYPE(gsl_complex) fz = (t.f) (t.x);
+ ATOMIC fx = GSL_REAL (fz), fy = GSL_IMAG (fz);
+
+#ifdef DEBUG
+ printf("x = "); gsl_ieee_fprintf_double (stdout, &t.x); printf("\n");
+ printf("fx = "); gsl_ieee_fprintf_double (stdout, &fx); printf("\n");
+ printf("ex = "); gsl_ieee_fprintf_double (stdout, &t.fx); printf("\n");
+ printf("fy = "); gsl_ieee_fprintf_double (stdout, &fy); printf("\n");
+ printf("ey = "); gsl_ieee_fprintf_double (stdout, &t.fy); printf("\n");
+#endif
+
+ gsl_test_rel (fx, t.fx, tol, "%s real part at (%g,0)", t.name, t.x);
+ gsl_test_rel (fy, t.fy, tol, "%s imag part at (%g,0)", t.name, t.x);
+ i++;
+ }
+
+ i = 0;
+
+ while (listzreal[i].f)
+ {
+ struct fzreal t = listzreal[i];
+ TYPE(gsl_complex) z = gsl_complex_rect (t.x, t.y);
+ TYPE(gsl_complex) fz = (t.f) (z, t.a);
+ ATOMIC fx = GSL_REAL (fz), fy = GSL_IMAG (fz);
+
+#ifdef DEBUG
+ printf("x = "); gsl_ieee_fprintf_double (stdout, &t.x); printf("\n");
+ printf("y = "); gsl_ieee_fprintf_double (stdout, &t.y); printf("\n");
+ printf("a = "); gsl_ieee_fprintf_double (stdout, &t.a); printf("\n");
+ printf("fx = "); gsl_ieee_fprintf_double (stdout, &fx); printf("\n");
+ printf("ex = "); gsl_ieee_fprintf_double (stdout, &t.fx); printf("\n");
+ printf("fy = "); gsl_ieee_fprintf_double (stdout, &fy); printf("\n");
+ printf("ey = "); gsl_ieee_fprintf_double (stdout, &t.fy); printf("\n");
+#endif
+
+ gsl_test_rel (fx, t.fx, 10.0 * tol, "%s real part at (%g,0)", t.name, t.x);
+ gsl_test_rel (fy, t.fy, 10.0 * tol, "%s imag part at (%g,0)", t.name, t.x);
+ i++;
+ }
+
+ return 0;
+}
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