mixer

commit 0357e4f1296b9aa911fda3f5ed58d1583b5a8270
parent 25527829651273ea7aeb3ae7d73f51db34431368
Author: Christos Margiolis <christos@margiolis.net>
Date:   Wed, 25 Aug 2021 17:00:17 +0300

removed math dependency

Diffstat:
M
mixer_lib/Makefile
 | 
1
-
M
mixer_lib/mixer.c
 | 
1
-
M
mixer_lib/mixer.h
 | 
3
+--
M
mixer_prog/Makefile
 | 
2
+-

4 files changed, 2 insertions(+), 5 deletions(-)
diff --git a/mixer_lib/Makefile b/mixer_lib/Makefile
@@ -5,6 +5,5 @@ SRCS=		${LIB}.c
 INCS=		${LIB}.h
 MAN=		${LIB}.3
 CFLAGS+=	-pedantic -Wall -Wunused
-LDFLAGS+=	-lm
 
 .include <bsd.lib.mk>
diff --git a/mixer_lib/mixer.c b/mixer_lib/mixer.c
@@ -26,7 +26,6 @@
 
 #include <errno.h>
 #include <fcntl.h>
-#include <math.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
diff --git a/mixer_lib/mixer.h b/mixer_lib/mixer.h
@@ -32,7 +32,6 @@ __FBSDID("$FreeBSD$");
 #include <sys/soundcard.h>
 
 #include <limits.h>
-#include <math.h>
 
 #define MIX_ISSET(n,f)		(((1 << (n)) & (f)) ? 1 : 0)
 #define MIX_ISDEV(m,n)		MIX_ISSET(n, (m)->devmask)
@@ -65,7 +64,7 @@ struct mix_dev {
 #define MIX_VOLMIN		0.0f
 #define MIX_VOLMAX		1.0f
 #define MIX_VOLNORM(v)		((v) / 100.0f)
-#define MIX_VOLDENORM(v)	((int)roundf((v) * 100.0f))
+#define MIX_VOLDENORM(v)	((int)((v) * 100.0f + 0.5f))
 		float left;			/* left volume */
 		float right;			/* right volume */
 	} vol;
diff --git a/mixer_prog/Makefile b/mixer_prog/Makefile
@@ -5,6 +5,6 @@ BINDIR=         /usr/sbin
 SRCS=		${PROG}.c
 MAN=		${PROG}.8
 CFLAGS+=	-pedantic -Wall -Wunused
-LDFLAGS+=	-lmixer -lm
+LDFLAGS+=	-lmixer
 
 .include <bsd.prog.mk>