# wrap > Wrap a value on the half-open interval `[min,max)`.
## Usage ```javascript var wrap = require( '@stdlib/math/base/special/wrap' ); ``` #### wrap( v, min, max ) Wraps a value on the half-open interval `[min,max)`. ```javascript var v = wrap( 3.14, 0.0, 5.0 ); // returns 3.14 v = wrap( -3.14, 0.0, 5.0 ); // returns ~1.86 v = wrap( 10.0, 0.0, 5.0 ); // returns 0.0 v = wrap( -0.0, 0.0, 5.0 ); // returns 0.0 v = wrap( 0.0, -3.14, -0.0 ); // returns -3.14 ``` If provided `NaN` for any argument, the function returns `NaN`. ```javascript var v = wrap( NaN, 0.0, 5.0 ); // returns NaN v = wrap( 0.0, NaN, 5.0 ); // returns NaN v = wrap( 3.14, 0.0, NaN ); // returns NaN ``` If provided `min == max`, the function returns `NaN`. ```javascript var v = wrap( 3.14, 3.0, 3.0 ); // returns NaN ```
## Notes - The function does **not** distinguish between positive and negative zero. Where appropriate, the function returns positive zero.
## Examples ```javascript var discreteUniform = require( '@stdlib/random/base/discrete-uniform' ); var wrap = require( '@stdlib/math/base/special/wrap' ); var min; var max; var v; var i; for ( i = 0; i < 100; i++ ) { min = discreteUniform( 0.0, 10.0 ); max = discreteUniform( 5.0, 15.0 ); v = discreteUniform( -20.0, 20.0 ); console.log( 'wrap(%d,%d,%d) => %d', v, min, max, wrap( v, min, max ) ); } ```