[aravis] gc_float: fix get_inc to return a double value.

[Emmanuel Pacaud <emmanuel src gnome org>]

commit 8ccbac490a6db73ac0e9990a00f089ca0b7cb400
Author: Emmanuel Pacaud <emmanuel gnome org>
Date:   Tue Mar 6 17:40:50 2012 +0100

    gc_float: fix get_inc to return a double value.
    
    The documentation is wrong compared to the reference implementation.

 src/arvgcfloat.c       |    2 +-
 src/arvgcfloat.h       |    4 ++--
 src/arvgcfloatnode.c   |    4 ++--
 tests/data/genicam.xml |   18 ++++++++++++++++++
 tests/genicam.c        |   18 ++++++++++++++++++
 5 files changed, 41 insertions(+), 5 deletions(-)
---
diff --git a/src/arvgcfloat.c b/src/arvgcfloat.c
index be0028c..d98cfb8 100644
--- a/src/arvgcfloat.c
+++ b/src/arvgcfloat.c
@@ -81,7 +81,7 @@ arv_gc_float_get_max (ArvGcFloat *gc_float)
 		return G_MAXDOUBLE;
 }
 
-gint64
+double
 arv_gc_float_get_inc (ArvGcFloat *gc_float)
 {
 	ArvGcFloatInterface *float_interface;
diff --git a/src/arvgcfloat.h b/src/arvgcfloat.h
index 1ebfbed..d9556f1 100644
--- a/src/arvgcfloat.h
+++ b/src/arvgcfloat.h
@@ -41,7 +41,7 @@ struct _ArvGcFloatInterface {
 	void		(*set_value)		(ArvGcFloat *gc_float, double value);
 	double		(*get_min)		(ArvGcFloat *gc_float);
 	double		(*get_max)		(ArvGcFloat *gc_float);
-	gint64		(*get_inc)		(ArvGcFloat *gc_float);
+	double		(*get_inc)		(ArvGcFloat *gc_float);
 	const char *	(*get_unit)		(ArvGcFloat *gc_float);
 	void		(*impose_min)		(ArvGcFloat *gc_float, double minimum);
 	void		(*impose_max)		(ArvGcFloat *gc_float, double maximum);
@@ -53,7 +53,7 @@ double		arv_gc_float_get_value		(ArvGcFloat *gc_float);
 void		arv_gc_float_set_value		(ArvGcFloat *gc_float, double value);
 double		arv_gc_float_get_min		(ArvGcFloat *gc_float);
 double		arv_gc_float_get_max		(ArvGcFloat *gc_float);
-gint64		arv_gc_float_get_inc		(ArvGcFloat *gc_float);
+double		arv_gc_float_get_inc		(ArvGcFloat *gc_float);
 const char *	arv_gc_float_get_unit		(ArvGcFloat *gc_float);
 void		arv_gc_float_impose_min		(ArvGcFloat *gc_float, double minimum);
 void		arv_gc_float_impose_max		(ArvGcFloat *gc_float, double maximum);
diff --git a/src/arvgcfloatnode.c b/src/arvgcfloatnode.c
index 19c3919..e0525bb 100644
--- a/src/arvgcfloatnode.c
+++ b/src/arvgcfloatnode.c
@@ -194,13 +194,13 @@ arv_gc_float_node_get_max (ArvGcFloat *gc_float)
 	return G_MAXFLOAT;
 }
 
-static gint64
+static double
 arv_gc_float_node_get_inc (ArvGcFloat *gc_float)
 {
 	ArvGcFloatNode *gc_float_node = ARV_GC_FLOAT_NODE (gc_float);
 
 	if (gc_float_node->increment != NULL)
-		return arv_gc_property_node_get_int64 (ARV_GC_PROPERTY_NODE (gc_float_node->increment));
+		return arv_gc_property_node_get_double (ARV_GC_PROPERTY_NODE (gc_float_node->increment));
 
 	return 1;
 }
diff --git a/tests/data/genicam.xml b/tests/data/genicam.xml
index 5001a84..e3db315 100644
--- a/tests/data/genicam.xml
+++ b/tests/data/genicam.xml
@@ -24,10 +24,28 @@
 
 	<Float Name="RWFloat">
 		<Value>0.1</Value>
+		<Min>-10.0</Min>
+		<Max>10.0</Max>
+		<Inc>2.0</Inc>
+	</Float>
+
+	<Float Name="P_RWFloat_Min">
+		<Value>-20.0</Value>
+	</Float>
+
+	<Float Name="P_RWFloat_Max">
+		<Value>20.0</Value>
+	</Float>
+
+	<Float Name="P_RWFloat_Inc">
+		<Value>3.0</Value>
 	</Float>
 
 	<Float Name="P_RWFloat">
 		<pValue>RWFloat</pValue>
+		<pMin>P_RWFloat_Min</pMin>
+		<pMax>P_RWFloat_Max</pMax>
+		<pInc>P_RWFloat_Inc</pInc>
 	</Float>
 
 	<Boolean Name="RWBoolean">
diff --git a/tests/genicam.c b/tests/genicam.c
index c6f10cf..975ea08 100644
--- a/tests/genicam.c
+++ b/tests/genicam.c
@@ -108,6 +108,15 @@ float_test (void)
 	v_double = arv_gc_float_get_value (ARV_GC_FLOAT (node));
 	g_assert_cmpfloat (v_double, ==, 0.1);
 
+	v_double = arv_gc_float_get_min (ARV_GC_FLOAT (node));
+	g_assert_cmpfloat (v_double, ==, -10.0);
+
+	v_double = arv_gc_float_get_max (ARV_GC_FLOAT (node));
+	g_assert_cmpfloat (v_double, ==, 10.0);
+
+	v_double = arv_gc_float_get_inc (ARV_GC_FLOAT (node));
+	g_assert_cmpfloat (v_double, ==, 2.0);
+
 	v_string = arv_gc_feature_node_get_value_as_string (ARV_GC_FEATURE_NODE (node));
 	g_assert_cmpstr (v_string, ==, "0.1");
 
@@ -121,6 +130,15 @@ float_test (void)
 	v_double = arv_gc_float_get_value (ARV_GC_FLOAT (node));
 	g_assert_cmpfloat (v_double, ==, 0.2);
 
+	v_double = arv_gc_float_get_min (ARV_GC_FLOAT (node));
+	g_assert_cmpfloat (v_double, ==, -20.0);
+
+	v_double = arv_gc_float_get_max (ARV_GC_FLOAT (node));
+	g_assert_cmpfloat (v_double, ==, 20.0);
+
+	v_double = arv_gc_float_get_inc (ARV_GC_FLOAT (node));
+	g_assert_cmpfloat (v_double, ==, 3.0);
+
 	g_object_unref (device);
 }