Subtraction operator

11 files changed, 999 insertions, 0 deletions

diff --git a/src/operations/subtraction/Makefile.am b/src/operations/subtraction/Makefile.am
new file mode 100644
index 00000000..1a93167c
--- /dev/null
+++ b/src/operations/subtraction/Makefile.am
@@ -0,0 +1,45 @@
+##
+##  Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
+##  Copyright (C) 2006-2008 - INRIA - Bruno JOFRET
+##
+##  This file must be used under the terms of the CeCILL.
+##  This source file is licensed as described in the file COPYING, which
+##  you should have received as part of this distribution.  The terms
+##  are also available at
+##  http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+##
+##
+
+libSubtraction_la_CFLAGS =	-I $(top_builddir)/type \
+				-I $(top_builddir)/operations/includes
+
+instdir = $(top_builddir)/lib
+
+pkglib_LTLIBRARIES = libSubtraction.la
+
+HEAD = ../includes/subtraction.h
+
+libSubtraction_la_SOURCES = 	$(HEAD) \
+				sdiffs.c \
+				ddiffs.c \
+				cdiffs.c \
+				zdiffs.c \
+				sdiffa.c \
+				ddiffa.c \
+				cdiffa.c \
+				zdiffa.c
+
+check_PROGRAMS = 	testSubtraction
+
+check_LDADD =		$(top_builddir)/type/libDoubleComplex.la \
+			$(top_builddir)/type/libFloatComplex.la \
+			libSubtraction.la
+
+check_INCLUDES =	-I $(top_builddir)/type \
+			-I $(top_builddir)/operations/includes
+
+testSubtraction_SOURCES = testSubtraction.c
+testSubtraction_LDADD = $(check_LDADD)
+testSubtraction_CFLAGS = $(check_INCLUDES)
+
+TESTS =		testSubtraction
\ No newline at end of file
diff --git a/src/operations/subtraction/Makefile.in b/src/operations/subtraction/Makefile.in
new file mode 100644
index 00000000..9ce3c905
--- /dev/null
+++ b/src/operations/subtraction/Makefile.in
@@ -0,0 +1,670 @@
+# Makefile.in generated by automake 1.10.1 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
+# 2003, 2004, 2005, 2006, 2007, 2008  Free Software Foundation, Inc.
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
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+TESTS = testSubtraction$(EXEEXT)
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+	libSubtraction_la-sdiffs.lo libSubtraction_la-ddiffs.lo \
+	libSubtraction_la-cdiffs.lo libSubtraction_la-zdiffs.lo \
+	libSubtraction_la-sdiffa.lo libSubtraction_la-ddiffa.lo \
+	libSubtraction_la-cdiffa.lo libSubtraction_la-zdiffa.lo
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+				-I $(top_builddir)/operations/includes
+
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+				sdiffs.c \
+				ddiffs.c \
+				cdiffs.c \
+				zdiffs.c \
+				sdiffa.c \
+				ddiffa.c \
+				cdiffa.c \
+				zdiffa.c
+
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+			$(top_builddir)/type/libFloatComplex.la \
+			libSubtraction.la
+
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+			-I $(top_builddir)/operations/includes
+
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+
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+	@rm -f testSubtraction$(EXEEXT)
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+
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+testSubtraction-testSubtraction.o: testSubtraction.c
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+@am__fastdepCC_TRUE@	mv -f $(DEPDIR)/testSubtraction-testSubtraction.Tpo $(DEPDIR)/testSubtraction-testSubtraction.Po
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+
+mostlyclean-libtool:
+	-rm -f *.lo
+
+clean-libtool:
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+	  for tst in $$list; do \
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diff --git a/src/operations/subtraction/cdiffa.c b/src/operations/subtraction/cdiffa.c
new file mode 100644
index 00000000..fe310430
--- /dev/null
+++ b/src/operations/subtraction/cdiffa.c
@@ -0,0 +1,20 @@
+/*
+ *  Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
+ *  Copyright (C) 2008-2008 - INRIA - Bruno JOFRET
+ *
+ *  This file must be used under the terms of the CeCILL.
+ *  This source file is licensed as described in the file COPYING, which
+ *  you should have received as part of this distribution.  The terms
+ *  are also available at
+ *  http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ *
+ */
+
+#include "subtraction.h"
+
+void cdiffa(floatComplex* in1, int size1, floatComplex* in2, int size2, floatComplex* out) {
+  int i = 0;
+  for (i = 0; i < size1 && i < size2; ++i) {
+    out[i] = cdiffs(in1[i], in2[i]);
+  }
+}
diff --git a/src/operations/subtraction/cdiffs.c b/src/operations/subtraction/cdiffs.c
new file mode 100644
index 00000000..b5201b4d
--- /dev/null
+++ b/src/operations/subtraction/cdiffs.c
@@ -0,0 +1,18 @@
+/*
+ *  Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
+ *  Copyright (C) 2008-2008 - INRIA - Bruno JOFRET
+ *
+ *  This file must be used under the terms of the CeCILL.
+ *  This source file is licensed as described in the file COPYING, which
+ *  you should have received as part of this distribution.  The terms
+ *  are also available at
+ *  http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ *
+ */
+
+#include "subtraction.h"
+
+floatComplex cdiffs(floatComplex z1, floatComplex z2) {
+  return FloatComplex(creals(z1) - creals(z2),
+		      cimags(z1) - cimags(z2));
+}
diff --git a/src/operations/subtraction/ddiffa.c b/src/operations/subtraction/ddiffa.c
new file mode 100644
index 00000000..3159f36a
--- /dev/null
+++ b/src/operations/subtraction/ddiffa.c
@@ -0,0 +1,20 @@
+/*
+ *  Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
+ *  Copyright (C) 2008-2008 - INRIA - Bruno JOFRET
+ *
+ *  This file must be used under the terms of the CeCILL.
+ *  This source file is licensed as described in the file COPYING, which
+ *  you should have received as part of this distribution.  The terms
+ *  are also available at
+ *  http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ *
+ */
+
+#include "subtraction.h"
+
+void ddiffa(double* in1, int size1, double* in2, int size2, double* out) {
+  int i = 0;
+  for (i = 0; i < size1 && i < size2; ++i) {
+    out[i] = ddiffs(in1[i], in2[i]);
+  }
+}
diff --git a/src/operations/subtraction/ddiffs.c b/src/operations/subtraction/ddiffs.c
new file mode 100644
index 00000000..829feadf
--- /dev/null
+++ b/src/operations/subtraction/ddiffs.c
@@ -0,0 +1,18 @@
+/*
+ *  Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
+ *  Copyright (C) 2008-2008 - INRIA - Bruno JOFRET
+ *
+ *  This file must be used under the terms of the CeCILL.
+ *  This source file is licensed as described in the file COPYING, which
+ *  you should have received as part of this distribution.  The terms
+ *  are also available at
+ *  http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ *
+ */
+
+#include "subtraction.h"
+
+double ddiffs(double in1, double in2)
+{
+  return (in1 - in2);
+}
diff --git a/src/operations/subtraction/sdiffa.c b/src/operations/subtraction/sdiffa.c
new file mode 100644
index 00000000..ea5ef1fa
--- /dev/null
+++ b/src/operations/subtraction/sdiffa.c
@@ -0,0 +1,20 @@
+/*
+ *  Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
+ *  Copyright (C) 2008-2008 - INRIA - Bruno JOFRET
+ *
+ *  This file must be used under the terms of the CeCILL.
+ *  This source file is licensed as described in the file COPYING, which
+ *  you should have received as part of this distribution.  The terms
+ *  are also available at
+ *  http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ *
+ */
+
+#include "subtraction.h"
+
+void sdiffa(float* in1, int size1, float* in2, int size2, float* out) {
+  int i = 0;
+  for (i = 0; i < size1 && i < size2; ++i) {
+    out[i] = sdiffs(in1[i], in2[i]);
+  }
+}
diff --git a/src/operations/subtraction/sdiffs.c b/src/operations/subtraction/sdiffs.c
new file mode 100644
index 00000000..0d5f4c35
--- /dev/null
+++ b/src/operations/subtraction/sdiffs.c
@@ -0,0 +1,18 @@
+/*
+ *  Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
+ *  Copyright (C) 2008-2008 - INRIA - Bruno JOFRET
+ *
+ *  This file must be used under the terms of the CeCILL.
+ *  This source file is licensed as described in the file COPYING, which
+ *  you should have received as part of this distribution.  The terms
+ *  are also available at
+ *  http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ *
+ */
+
+#include "subtraction.h"
+
+float sdiffs(float in1, float in2)
+{
+  return (in1 - in2);
+}
diff --git a/src/operations/subtraction/testSubtraction.c b/src/operations/subtraction/testSubtraction.c
new file mode 100644
index 00000000..ce29e2a3
--- /dev/null
+++ b/src/operations/subtraction/testSubtraction.c
@@ -0,0 +1,132 @@
+/*
+ *  Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
+ *  Copyright (C) 2008-2008 - INRIA - Bruno JOFRET
+ *
+ *  This file must be used under the terms of the CeCILL.
+ *  This source file is licensed as described in the file COPYING, which
+ *  you should have received as part of this distribution.  The terms
+ *  are also available at
+ *  http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ *
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <assert.h>
+#include <math.h>
+#include "subtraction.h"
+
+#define SIZE 10000
+
+/* #define LOCAL_DEBUG */
+
+static void zdiffaTest(void) {
+  doubleComplex M1[SIZE];
+  doubleComplex M2[SIZE];
+  doubleComplex M1_but_M2[SIZE];
+
+  int i = 0;
+
+  srand(1);
+  for (i = 0; i < SIZE; ++i) {
+    M1[i] = DoubleComplex((double) rand(), (double) rand());
+    M2[i] = DoubleComplex((double) rand(), (double) rand());
+  }
+  zdiffa(M1, SIZE, M2, SIZE, M1_but_M2);
+  for (i = 0; i < SIZE; ++i) {
+#ifdef LOCAL_DEBUG
+    printf("M1_but_M2 = %e + %e i\n", zreals(M1_but_M2[i]), zimags(M1_but_M2[i]));
+#endif
+    assert(zreals(M1_but_M2[i]) -  (zreals(M1[i]) - zreals(M2[i])) == 0);
+    assert(zimags(M1_but_M2[i]) -  (zimags(M1[i]) - zimags(M2[i])) == 0);
+  }
+}
+
+static void cdiffaTest(void) {
+  floatComplex M1[SIZE];
+  floatComplex M2[SIZE];
+  floatComplex M1_but_M2[SIZE];
+
+  int i = 0;
+
+  srand(1);
+  for (i = 0; i < SIZE; ++i) {
+    M1[i] = FloatComplex((float) rand(), (float) rand());
+    M2[i] = FloatComplex((float) rand(), (float) rand());
+  }
+  cdiffa(M1, SIZE, M2, SIZE, M1_but_M2);
+  for (i = 0; i < SIZE; ++i) {
+#ifdef LOCAL_DEBUG
+    printf("M1_but_M2 = %e + %e i\n", creals(M1_but_M2[i]), cimags(M1_but_M2[i]));
+#endif
+    assert(fabsf(creals(M1_but_M2[i]) -  (creals(M1[i]) - creals(M2[i]))) / creals(M1_but_M2[i]) < 1e-07);
+    assert(fabsf(cimags(M1_but_M2[i]) -  (cimags(M1[i]) - cimags(M2[i]))) / cimags(M1_but_M2[i]) < 1e-07);
+  }
+}
+
+static void sdiffaTest(void) {
+  float M1[SIZE];
+  float M2[SIZE];
+  float M1_but_M2[SIZE];
+
+  int i = 0;
+
+  srand(1);
+  for (i = 0; i < SIZE; ++i) {
+    M1[i] = (float) rand();
+    M2[i] = (float) rand();
+  }
+  sdiffa(M1, SIZE, M2, SIZE, M1_but_M2);
+  for (i = 0; i < SIZE; ++i) {
+#ifdef LOCAL_DEBUG
+    printf("M1_but_M2 = %e\n", M1_but_M2[i]);
+    printf("M1[i] - M2[i] = %e\n", (M1[i] - M2[i]));
+    printf("Error = %e\n",(float) fabsf(M1_but_M2[i] -  (M1[i] - M2[i])) / M1_but_M2[i]);
+#endif
+    assert(fabsf(M1_but_M2[i] -  (M1[i] - M2[i])) / M1_but_M2[i] < 1e-07);
+  }
+}
+
+static void ddiffaTest(void) {
+  double M1[SIZE];
+  double M2[SIZE];
+  double M1_but_M2[SIZE];
+
+  int i = 0;
+
+  srand(1);
+  for (i = 0; i < SIZE; ++i) {
+    M1[i] = (double) rand();
+    M2[i] = (double) rand();
+  }
+  ddiffa(M1, SIZE, M2, SIZE, M1_but_M2);
+  for (i = 0; i < SIZE; ++i) {
+#ifdef LOCAL_DEBUG
+   printf("M1_but_M2 = %e\n", M1_but_M2[i]);
+   printf("M1[i] = %e\n", M1[i]);
+   printf("M2[i] = %e\n", M2[i]);
+   printf("M1[i] - M2[i] = %e\n", (M1[i] - M2[i]));
+   printf("Error = %e\n", fabs(M1_but_M2[i] -  (M1[i] - M2[i])));
+#endif
+    assert(fabs(M1_but_M2[i] -  (M1[i] - M2[i])) == 0);
+  }
+
+}
+
+static int testSubtraction(void) {
+
+  printf("\n>>>> Subtraction Tests\n");
+  sdiffaTest();
+  ddiffaTest();
+  cdiffaTest();
+  zdiffaTest();
+
+  return 0;
+}
+
+
+
+int main(void) {
+  assert(testSubtraction() == 0);
+  return 0;
+}
diff --git a/src/operations/subtraction/zdiffa.c b/src/operations/subtraction/zdiffa.c
new file mode 100644
index 00000000..cd856d30
--- /dev/null
+++ b/src/operations/subtraction/zdiffa.c
@@ -0,0 +1,20 @@
+/*
+ *  Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
+ *  Copyright (C) 2008-2008 - INRIA - Bruno JOFRET
+ *
+ *  This file must be used under the terms of the CeCILL.
+ *  This source file is licensed as described in the file COPYING, which
+ *  you should have received as part of this distribution.  The terms
+ *  are also available at
+ *  http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ *
+ */
+
+#include "subtraction.h"
+
+void zdiffa(doubleComplex* in1, int size1, doubleComplex* in2, int size2, doubleComplex* out) {
+  int i = 0;
+  for (i = 0; i < size1 && i < size2; ++i) {
+    out[i] = zdiffs(in1[i], in2[i]);
+  }
+}
diff --git a/src/operations/subtraction/zdiffs.c b/src/operations/subtraction/zdiffs.c
new file mode 100644
index 00000000..dc162e4a
--- /dev/null
+++ b/src/operations/subtraction/zdiffs.c
@@ -0,0 +1,18 @@
+/*
+ *  Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
+ *  Copyright (C) 2008-2008 - INRIA - Bruno JOFRET
+ *
+ *  This file must be used under the terms of the CeCILL.
+ *  This source file is licensed as described in the file COPYING, which
+ *  you should have received as part of this distribution.  The terms
+ *  are also available at
+ *  http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ *
+ */
+
+#include "subtraction.h"
+
+doubleComplex zdiffs(doubleComplex z1, doubleComplex z2) {
+  return DoubleComplex(zreals(z1) - zreals(z2),
+		       zimags(z1) - zimags(z2));
+}