// ===========================================================================
// Copyright 2018 Autodesk, Inc. All rights reserved.
//
// Use of this software is subject to the terms of the Autodesk license
// agreement provided at the time of installation or download, or which
// otherwise accompanies this software in either electronic or hard copy form.
// ===========================================================================
// 
//  Creation Date: October 12, 2016 
// 
//  Procedure Name: 
//      texRoundOff 
// 
//  Description: 
//      General utility function that rounds a float number to a fixed amount 
//      of decimal numbers. Also converts infinitesimal numbers into 0.0 
// 
//  Input Arguments 
//      value                - Float - Number to float 
//      precision            - Int   - Amount of decimals 
// 
//  Return Value: 
//      Float                - The rounded off number. 
// 
//  Notes: 
//  This script is part of the implementation of Nightshade UV Editor into 
//  Autodesk Maya. This script is sourced by other scripts. Do not run it  
//  directly. 
// 
// =========================================================================== 
 
global proc float texRoundOff(float $value, int $precision){ 
    string $number = $value; // Check for scientific format 
    if (`gmatch $number "*e*"`){ 
        $value = 0.0; 
    } 
    return (trunc($value * `pow 10 $precision` + sign($value) * 0.5) / `pow 10 $precision`); 
}