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From: Rosen Penev <rosenp@gmail.com>
To: alsa-devel@alsa-project.org
Subject: [PATCH] alsamixer: Remove exp10 usage
Date: Sun,  1 Sep 2019 18:22:29 -0700	[thread overview]
Message-ID: <20190902012229.15796-1-rosenp@gmail.com> (raw)

exp10 is a GNU extension and not available everywhere (eg. uClibc-ng).

Signed-off-by: Rosen Penev <rosenp@gmail.com>
---
 alsamixer/volume_mapping.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/alsamixer/volume_mapping.c b/alsamixer/volume_mapping.c
index 48cfbe2..29ab061 100644
--- a/alsamixer/volume_mapping.c
+++ b/alsamixer/volume_mapping.c
@@ -108,9 +108,9 @@ static double get_normalized_volume(snd_mixer_elem_t *elem,
 	if (use_linear_dB_scale(min, max))
 		return (value - min) / (double)(max - min);
 
-	normalized = exp10((value - max) / 6000.0);
+	normalized = pow(10, (value - max) / 6000.0);
 	if (min != SND_CTL_TLV_DB_GAIN_MUTE) {
-		min_norm = exp10((min - max) / 6000.0);
+		min_norm = pow(10, (min - max) / 6000.0);
 		normalized = (normalized - min_norm) / (1 - min_norm);
 	}
 
@@ -143,7 +143,7 @@ static int set_normalized_volume(snd_mixer_elem_t *elem,
 	}
 
 	if (min != SND_CTL_TLV_DB_GAIN_MUTE) {
-		min_norm = exp10((min - max) / 6000.0);
+		min_norm = pow(10, (min - max) / 6000.0);
 		volume = volume * (1 - min_norm) + min_norm;
 	}
 	value = lrint_dir(6000.0 * log10(volume), dir) + max;
-- 
2.17.1

WARNING: multiple messages have this Message-ID (diff)
From: Rosen Penev <rosenp@gmail.com>
To: alsa-devel@alsa-project.org
Subject: [alsa-devel] [PATCH] alsamixer: Remove exp10 usage
Date: Sun,  1 Sep 2019 18:22:29 -0700	[thread overview]
Message-ID: <20190902012229.15796-1-rosenp@gmail.com> (raw)
Message-ID: <20190902012229.LLfYlbe1acrzn63jgAVo3Blzia56xIbLPyIWGS8K4Jg@z> (raw)

exp10 is a GNU extension and not available everywhere (eg. uClibc-ng).

Signed-off-by: Rosen Penev <rosenp@gmail.com>
---
 alsamixer/volume_mapping.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/alsamixer/volume_mapping.c b/alsamixer/volume_mapping.c
index 48cfbe2..29ab061 100644
--- a/alsamixer/volume_mapping.c
+++ b/alsamixer/volume_mapping.c
@@ -108,9 +108,9 @@ static double get_normalized_volume(snd_mixer_elem_t *elem,
 	if (use_linear_dB_scale(min, max))
 		return (value - min) / (double)(max - min);
 
-	normalized = exp10((value - max) / 6000.0);
+	normalized = pow(10, (value - max) / 6000.0);
 	if (min != SND_CTL_TLV_DB_GAIN_MUTE) {
-		min_norm = exp10((min - max) / 6000.0);
+		min_norm = pow(10, (min - max) / 6000.0);
 		normalized = (normalized - min_norm) / (1 - min_norm);
 	}
 
@@ -143,7 +143,7 @@ static int set_normalized_volume(snd_mixer_elem_t *elem,
 	}
 
 	if (min != SND_CTL_TLV_DB_GAIN_MUTE) {
-		min_norm = exp10((min - max) / 6000.0);
+		min_norm = pow(10, (min - max) / 6000.0);
 		volume = volume * (1 - min_norm) + min_norm;
 	}
 	value = lrint_dir(6000.0 * log10(volume), dir) + max;
-- 
2.17.1

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             reply	other threads:[~2019-09-02  1:22 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-02  1:22 Rosen Penev [this message]
2019-09-02  1:22 ` [alsa-devel] [PATCH] alsamixer: Remove exp10 usage Rosen Penev
2019-09-03 10:18 ` Takashi Iwai

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