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Replace Fabs() macro with fabs() function 

gcc generates better code with fabs() anyway.

Reviewed-by: Jeremy Huddleston <jeremyhu@apple.com>
Tested-by: Jeremy Huddleston <jeremyhu@apple.com>
Reviewed-by: Daniel Stone <daniel@fooishbar.org>
Signed-off-by: Matt Turner <mattst88@gmail.com>
This commit is contained in:
Matt Turner 2011-04-27 18:25:27 -04:00
parent 40a47bd628
commit 9eab5b3443
4 changed files with 5 additions and 8 deletions
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3
include/misc.h
View File

@ -139,9 +139,6 @@ typedef struct _xReq *xReqPtr;
* it in case we haven't done that yet. * it in case we haven't done that yet.
*/ */
#include <stdlib.h> #include <stdlib.h>
#ifndef Fabs
#define Fabs(a) ((a) > 0.0 ? (a) : -(a)) /* floating absolute value */
#endif
#define sign(x) ((x) < 0 ? -1 : ((x) > 0 ? 1 : 0)) #define sign(x) ((x) < 0 ? -1 : ((x) > 0 ? 1 : 0))
/* this assumes b > 0 */ /* this assumes b > 0 */
#define modulus(a, b, d) if (((d) = (a) % (b)) < 0) (d) += (b) #define modulus(a, b, d) if (((d) = (a) % (b)) < 0) (d) += (b)

2
mi/miarc.c
View File

@ -1487,7 +1487,7 @@ miDatan2 (double dy, double dx)
if (dy > 0) if (dy > 0)
return 90.0; return 90.0;
return -90.0; return -90.0;
} else if (Fabs (dy) == Fabs (dx)) { } else if (fabs (dy) == fabs (dx)) {
if (dy > 0) { if (dy > 0) {
if (dx > 0) if (dx > 0)
return 45.0; return 45.0;

6
mi/mifpoly.h
View File

@ -51,12 +51,12 @@ SOFTWARE.
#include <X11/Xfuncproto.h> #include <X11/Xfuncproto.h>
#define EPSILON 0.000001 #define EPSILON 0.000001
#define ISEQUAL(a,b) (Fabs((a) - (b)) <= EPSILON) #define ISEQUAL(a,b) (fabs((a) - (b)) <= EPSILON)
#define UNEQUAL(a,b) (Fabs((a) - (b)) > EPSILON) #define UNEQUAL(a,b) (fabs((a) - (b)) > EPSILON)
#define WITHINHALF(a, b) (((a) - (b) > 0.0) ? (a) - (b) < 0.5 : \ #define WITHINHALF(a, b) (((a) - (b) > 0.0) ? (a) - (b) < 0.5 : \
(b) - (a) <= 0.5) (b) - (a) <= 0.5)
#define ROUNDTOINT(x) ((int) (((x) > 0.0) ? ((x) + 0.5) : ((x) - 0.5))) #define ROUNDTOINT(x) ((int) (((x) > 0.0) ? ((x) + 0.5) : ((x) - 0.5)))
#define ISZERO(x) (Fabs((x)) <= EPSILON) #define ISZERO(x) (fabs((x)) <= EPSILON)
#define PTISEQUAL(a,b) (ISEQUAL(a.x,b.x) && ISEQUAL(a.y,b.y)) #define PTISEQUAL(a,b) (ISEQUAL(a.x,b.x) && ISEQUAL(a.y,b.y))
#define PTUNEQUAL(a,b) (UNEQUAL(a.x,b.x) || UNEQUAL(a.y,b.y)) #define PTUNEQUAL(a,b) (UNEQUAL(a.x,b.x) || UNEQUAL(a.y,b.y))
#define PtEqual(a, b) (((a).x == (b).x) && ((a).y == (b).y)) #define PtEqual(a, b) (((a).x == (b).x) && ((a).y == (b).y))

2
mi/miwideline.c
View File

@ -322,7 +322,7 @@ miPolyBuildEdge (
{ {
double realk, kerror; double realk, kerror;
realk = x0 * dy - y0 * dx; realk = x0 * dy - y0 * dx;
kerror = Fabs (realk - k); kerror = fabs (realk - k);
if (kerror > .1) if (kerror > .1)
printf ("realk: %g k: %g\n", realk, k); printf ("realk: %g k: %g\n", realk, k);
} }