# Constant Field Values

## Contents

- healpix.essentials.*

## healpix.essentials.*

healpix.essentials.Constants
`public static final double` `halfpi` `1.5707963267948966`
`public static final double` `inv_halfpi` `0.6366197723675814`
`public static final double` `inv_twopi` `0.15915494309189535`
`public static final double` `twopi` `6.283185307179586`
`public static final double` `twothird` `0.6666666666666666`

healpix.essentials.HealpixBase
`public static final long` `ns_max` `536870912L`
`public static final int` `order_max` `29`

healpix.essentials.HealpixMapDouble
`public static final double` `undef` `-1.6375E30`

healpix.essentials.HealpixMapFloat
`public static final float` `undef` `-1.637499996306027E30f`