From 1be48c64b4e5df9e9b1ad69b3bb30b867b0abf9e Mon Sep 17 00:00:00 2001 From: Mattias Andrée Date: Sun, 6 Oct 2019 09:36:23 +0200 Subject: Clean up MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Mattias Andrée --- doc/info/chap/macros.texinfo | 49 -------------------------------------------- 1 file changed, 49 deletions(-) delete mode 100644 doc/info/chap/macros.texinfo (limited to 'doc/info/chap/macros.texinfo') diff --git a/doc/info/chap/macros.texinfo b/doc/info/chap/macros.texinfo deleted file mode 100644 index 2d4a947..0000000 --- a/doc/info/chap/macros.texinfo +++ /dev/null @@ -1,49 +0,0 @@ -@node Macros -@chapter Macros - -@file{} defines a small set of macros -suitable for using a @code{#if} preprocessing directives. - -@table @code -@item LIBRED_IS_TWILIGHT(const double) -Evaluates to 1 if the given expression is between @math{-18.0} -and 0.0 (this is, between -@code{LIBRED_SOLAR_ELEVATION_ASTRONOMICAL_DUSK_DAWN} and -@code{LIBRED_SOLAR_ELEVATION_SUNSET_SUNRISE}), inclusively, -otherwise, this macro evaluates to 0. The input should be -the Sun's apparent elevation, and the macro evaluates to 1 -if it is currently twilight. The given expression is evaluted -either once or twice, therefore, it must not have side-effects. - -@item LIBRED_IS_CIVIL_TWILIGHT(const double) -Evaluates to 1 if the given expression is between @math{-6.0} -and 0.0 (this is, between -@code{LIBRED_SOLAR_ELEVATION_CIVIL_DUSK_DAWN} and -@code{LIBRED_SOLAR_ELEVATION_SUNSET_SUNRISE}), inclusively, -otherwise, this macro evaluates to 0. The input should be -the Sun's apparent elevation, and the macro evaluates to 1 -if it is currently civil twilight. The given expression is -evaluted either once or twice, therefore, it must not have -side-effects. - -@item LIBRED_IS_NAUTICAL_TWILIGHT(const double) -Evaluates to 1 if the given expression is between @math{-12.0} -and @math{-6.0} (this is, between -@code{LIBRED_SOLAR_ELEVATION_NAUTICAL_DUSK_DAWN} and -@code{LIBRED_SOLAR_ELEVATION_CIVIL_DUSK_DAWN}), inclusively, -otherwise, this macro evaluates to 0. The input should be the -Sun's apparent elevation, and the macro evaluates to 1 if it -is currently nautical twilight. The given expression is evaluted -either once or twice, therefore, it must not have side-effects. - -@item LIBRED_IS_ASTRONOMICAL_TWILIGHT(const double) -Evaluates to 1 if the given expression is between @math{-18.0} -and @math{-12.0} (this is, between -@code{LIBRED_SOLAR_ELEVATION_ASTRONOMICAL_DUSK_DAWN} and -@code{LIBRED_SOLAR_ELEVATION_NAUTICAL_DUSK_DAWN}), inclusively, -otherwise, this macro evaluates to 0. The input should be the -Sun's apparent elevation, and the macro evaluates to 1 if it is -currently astronomical twilight. The given expression is evaluted -either once or twice, therefore, it must not have side-effects. -@end table - -- cgit v1.2.3-70-g09d2