File 0006-use-standard-C-rounding-functions.patch of Package fonttosfnt

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File 0006-use-standard-C-rounding-functions.patch of Package fonttosfnt

From 161307df8a1097f9338885336b9c35e00dfd9a58 Mon Sep 17 00:00:00 2001
From: Christopher Zimmermann <madroach@gmerlin.de>
Date: Mon, 6 Jul 2020 22:50:23 +0200
Subject: [PATCH 06/14] use standard C rounding functions

---
 fonttosfnt.h | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/fonttosfnt.h b/fonttosfnt.h
index 159535f..202ab5a 100644
--- a/fonttosfnt.h
+++ b/fonttosfnt.h
@@ -29,6 +29,7 @@ THE SOFTWARE.
 #endif
 
 #include <stdarg.h>
+#include <math.h>
 #include <ft2build.h>
 #include FT_FREETYPE_H
 
@@ -69,17 +70,15 @@ extern int reencode_flag;
 
 #define UNITS_PER_EM 2048
 
-#define EPSILON 0.000000001
-#define FLOOR(x) ((x) < 0.0 ? -(int)(-(x)) : (x))
-#define CEIL(x) FLOOR((x) + 1.0 - EPSILON)
+#define UNDEF 0x80000000
 
 /* Convert a fixed-point value into FUnits */
 #define FONT_UNITS(x) \
-  FLOOR(((double)(x)) / TWO_SIXTEENTH * UNITS_PER_EM + 0.5)
+  round(((double)(x)) / TWO_SIXTEENTH * UNITS_PER_EM)
 #define FONT_UNITS_FLOOR(x) \
-  FLOOR(((double)(x)) / TWO_SIXTEENTH * UNITS_PER_EM)
+  floor(((double)(x)) / TWO_SIXTEENTH * UNITS_PER_EM)
 #define FONT_UNITS_CEIL(x) \
-  CEIL(((double)(x)) / TWO_SIXTEENTH * UNITS_PER_EM)
+  ceil(((double)(x)) / TWO_SIXTEENTH * UNITS_PER_EM)
 
 typedef struct _FontNameEntry {
     int nid;                    /* name id */
-- 
2.28.0

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File 0006-use-standard-C-rounding-functions.patch of Package fonttosfnt

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