diff options
Diffstat (limited to '')
| -rw-r--r-- | libred.h.0 | 18 |
1 files changed, 9 insertions, 9 deletions
@@ -19,7 +19,7 @@ and symbolic constants in this header are suitable for use in .B #if preprocessing directives. .PP -This header defines the follow symbolic constants: +This header defines the following symbolic constants: .TP .B LIBRED_SOLAR_APPARENT_RADIUS The approximate apparent size of the Sun in degrees. This @@ -58,13 +58,13 @@ failing and setting .B errno to .BR EDOM . -Currently this value 1000, hypothetical changes will be very small. +Currently this value is 1000, hypothetical changes will be very small. .TP .B LIBRED_DELTA_TEMPERATURE -The temperatures differences between sequential colour temperatures -in the colour temperatures look up table. Currently this value is 100. +The temperature differences between sequential colour temperatures +in the colour temperatures lookup table. Currently this value is 100. .PP -This header defines the follow macros: +This header defines the following macros: .TP .BR LIBRED_IS_TWILIGHT "(const double)" Evaluates to 1 if the given expression is between -18.0 and 0.0 (this is, @@ -74,7 +74,7 @@ and .BR 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, +twilight. The given expression is evaluated either once or twice, therefore, it must not have side-effects. .TP .BR LIBRED_IS_CIVIL_TWILIGHT "(const double)" @@ -85,7 +85,7 @@ and .BR 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, +civil twilight. The given expression is evaluated either once or twice, therefore, it must not have side-effects. .TP .BR LIBRED_IS_NAUTICAL_TWILIGHT "(const double)" @@ -96,7 +96,7 @@ and .BR 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, +nautical twilight. The given expression is evaluated either once or twice, therefore, it must not have side-effects. .TP .BR LIBRED_IS_ASTRONOMICAL_TWILIGHT "(const double)" @@ -107,7 +107,7 @@ and .BR 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, +astronomical twilight. The given expression is evaluated either once or twice, therefore, it must not have side-effects. .PP Note that the intervals are closed, and hence their boundaries overlap. |