From c8d482d77e284a00dfd2d52fe40ed44d76edc365 Mon Sep 17 00:00:00 2001
From: Christophe Geuzaine <cgeuzaine@ulg.ac.be>
Date: Thu, 25 Oct 2007 08:55:07 +0000
Subject: [PATCH] cleaner (?) char2float
---
Numeric/Numeric.cpp | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/Numeric/Numeric.cpp b/Numeric/Numeric.cpp
index 4445f1fb40..6a47f3b313 100644
--- a/Numeric/Numeric.cpp
+++ b/Numeric/Numeric.cpp
@@ -1,4 +1,4 @@
-// $Id: Numeric.cpp,v 1.33 2007-08-31 09:18:16 geuzaine Exp $
+// $Id: Numeric.cpp,v 1.34 2007-10-25 08:55:07 geuzaine Exp $
//
// Copyright (C) 1997-2007 C. Geuzaine, J.-F. Remacle
//
@@ -434,14 +434,15 @@ double triangle_area(double p0[3], double p1[3], double p2[3])
char float2char(float f)
{
// f is supposed to be normalized in [-1, 1]
- f = (f > 1.) ? 1. : (f < -1.) ? -1 : f;
+ f = (f > 1.) ? 1. : (f < -1.) ? -1. : f;
// char is in [-128, 127]
- return (char)(-128 + (f + 1.)/2. * 255);
+ return (char)(-128 + (f + 1.) / 2. * 255);
}
float char2float(char c)
{
- return -1. + (float)(c + 128)/255. * 2.;
+ float f = c;
+ return -1. + 2. * (f + 128.) / 255.;
}
double InterpolateIso(double *X, double *Y, double *Z,
--
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