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ae348f36a8
C Standard does not guarantee the presence of both definitions in every circumstance. Closes: https://bugs.gentoo.org/907442 Signed-off-by: Thomas Beierlein <tomjbe@gentoo.org>
47 lines
986 B
Diff
47 lines
986 B
Diff
# As C standards does not define M_PI or M_PI_2 provide a fallback
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# bug 907442
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diff --git a/src/muf.c b/src/muf.c
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index 6671651..1f880fd 100644
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--- a/src/muf.c
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+++ b/src/muf.c
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@@ -32,6 +32,10 @@
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#include "tlf_panel.h"
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#include "ui_utils.h"
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+#ifndef M_PI_2
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+ # define M_PI_2 1.57079632679489661923 /* pi/2 */
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+#endif
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+
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// message splitters:
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// line[0] - original line, content can be modified in-place
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diff --git a/src/qrb.h b/src/qrb.h
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index 89d3f30..0120de0 100644
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--- a/src/qrb.h
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+++ b/src/qrb.h
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@@ -21,6 +21,10 @@
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#ifndef QRB_H
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#define QRB_H
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+#ifndef M_PI
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+ # define M_PI 3.14159265358979323846 /* pi */
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+#endif
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+
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#define ARC_IN_KM 111.2
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#define RADIAN (180.0 / M_PI)
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diff --git a/src/sunup.c b/src/sunup.c
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index b1186dd..7412c06 100644
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--- a/src/sunup.c
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+++ b/src/sunup.c
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@@ -23,6 +23,10 @@
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#include "get_time.h"
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+#ifndef M_PI
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+ # define M_PI 3.14159265358979323846 /* pi */
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+#endif
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+
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#define RADIAN (180.0 / M_PI)
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