Nothing
rad2hms <-
function(rad=1, places=1) {
# Check places for rounding
places <- round(places, 0)
if (places <= 0) places <- 0
if (places > 6) places <- 6
# Convert radians to hms
sgn <- ifelse(rad>=0, 1, -1)
hrs <- rad*12/pi
ahrs <- abs(hrs%%24)
# Work out whole hours, minutes, fractional seconds
hrsfrac <- ahrs%%1
min <- (hrsfrac%%1)*60
sec <- round((min%%1)*60, places)
# Clean up rounding
for (i in length(sec)) {
if(sec[i]>=60) {
sec[i] <- sec[i]-60
min[i] <- min[i]+1
}
if(min[i]>=60) {
min[i] <- min[i]-60
ahrs[i] <- ahrs[i]+1
}
}
# Format output
if (places == 0) {
fmt <- '%02d:%02d:%02d'
} else {
pl <- 3+places + (places)/10
fmt <- paste('%02d:%02d:%0#', pl, 'f', sep='')
}
sprintf(fmt, trunc(ahrs), trunc(min), sec)
}
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