From: dooglus <dooglus@1f10aa63-cdf2-0310-b900-c93c546f37ac>
Date: Mon, 3 Mar 2008 18:11:07 +0000 (+0000)
Subject: Remove the ETL_FIXED_DERIVATIVE macro.
X-Git-Url: https://git.pterodactylus.net/?p=synfig.git;a=commitdiff_plain;h=003520b8158176c1509825eef09f46cd417dcc16

Remove the ETL_FIXED_DERIVATIVE macro.


git-svn-id: http://svn.voria.com/code@1853 1f10aa63-cdf2-0310-b900-c93c546f37ac
---

diff --git a/ETL/trunk/ETL/_calculus.h b/ETL/trunk/ETL/_calculus.h
index a9c95ed..279ed91 100644
--- a/ETL/trunk/ETL/_calculus.h
+++ b/ETL/trunk/ETL/_calculus.h
@@ -34,8 +34,6 @@
 //#define _EPSILON		0.0000001
 //#endif
 
-#define ETL_FIXED_DERIVATIVE 1
-
 /* === T Y P E D E F S ===================================================== */
 
 /* === C L A S S E S & S T R U C T S ======================================= */
@@ -53,11 +51,7 @@ public:
 	typename T::result_type
 	operator()(const typename T::argument_type &x)const
 	{
-#ifdef ETL_FIXED_DERIVATIVE
 		return (func(x+epsilon)-func(x))/epsilon;
-#else
-		return (func(x)-func(x+epsilon))/epsilon;
-#endif
 	}
 };
 
diff --git a/synfig-core/trunk/src/synfig/valuenode_blinecalctangent.cpp b/synfig-core/trunk/src/synfig/valuenode_blinecalctangent.cpp
index 671ce59..51bcafc 100644
--- a/synfig-core/trunk/src/synfig/valuenode_blinecalctangent.cpp
+++ b/synfig-core/trunk/src/synfig/valuenode_blinecalctangent.cpp
@@ -127,21 +127,12 @@ ValueNode_BLineCalcTangent::operator()(Time t)const
 							   blinepoint0.get_tangent2(), blinepoint1.get_tangent1());
 	etl::derivative< etl::hermite<Vector> > deriv(curve);
 
-#ifdef ETL_FIXED_DERIVATIVE
 	switch (get_type())
 	{
 		case ValueBase::TYPE_ANGLE:  return (deriv(amount-from_vertex)*(0.5)).angle();
 		case ValueBase::TYPE_VECTOR: return deriv(amount-from_vertex)*(0.5);
 		default: assert(0); return ValueBase();
 	}
-#else
-	switch (get_type())
-	{
-		case ValueBase::TYPE_ANGLE:  return (deriv(amount-from_vertex)*(-0.5)).angle();
-		case ValueBase::TYPE_VECTOR: return deriv(amount-from_vertex)*(-0.5);
-		default: assert(0); return ValueBase();
-	}
-#endif
 }
 
 String
diff --git a/synfig-core/trunk/src/synfig/valuenode_segcalctangent.cpp b/synfig-core/trunk/src/synfig/valuenode_segcalctangent.cpp
index 2159663..ab3f454 100644
--- a/synfig-core/trunk/src/synfig/valuenode_segcalctangent.cpp
+++ b/synfig-core/trunk/src/synfig/valuenode_segcalctangent.cpp
@@ -84,12 +84,7 @@ ValueNode_SegCalcTangent::operator()(Time t)const
 	etl::hermite<Vector> curve(segment.p1,segment.p2,segment.t1,segment.t2);
 	etl::derivative< etl::hermite<Vector> > deriv(curve);
 
-#ifdef ETL_FIXED_DERIVATIVE
 	return deriv((*amount_)(t).get(Real()))*(0.5);
-#else
-	return deriv((*amount_)(t).get(Real()))*(-0.5);
-#endif
-
 }
 
 
diff --git a/synfig-studio/trunk/src/gtkmm/state_bline.cpp b/synfig-studio/trunk/src/gtkmm/state_bline.cpp
index 51afaff..cee1d8d 100644
--- a/synfig-studio/trunk/src/gtkmm/state_bline.cpp
+++ b/synfig-studio/trunk/src/gtkmm/state_bline.cpp
@@ -1306,11 +1306,7 @@ StateBLine_Context::bline_insert_vertex(synfig::ValueNode_Const::Handle value_no
 
 			bline_point.set_vertex(curve(origin));
 			bline_point.set_width((next_bline_point.get_width()-prev_bline_point.get_width())*origin+prev_bline_point.get_width());
-#ifdef ETL_FIXED_DERIVATIVE
 			bline_point.set_tangent1(deriv(origin)*std::min(1.0f-origin,origin));
-#else
-			bline_point.set_tangent1(-deriv(origin)*std::min(1.0f-origin,origin));
-#endif
 			bline_point.set_tangent2(bline_point.get_tangent1());
 			bline_point.set_split_tangent_flag(false);
 			bline_point.set_origin(origin);