1  /******************************************************************************


2  Copyright (c) 2014 Ryan Juckett


3  http://www.ryanjuckett.com/


4 


5  This software is provided 'asis', without any express or implied


6  warranty. In no event will the authors be held liable for any damages


7  arising from the use of this software.


8 


9  Permission is granted to anyone to use this software for any purpose,


10  including commercial applications, and to alter it and redistribute it


11  freely, subject to the following restrictions:


12 


13  1. The origin of this software must not be misrepresented; you must not


14  claim that you wrote the original software. If you use this software


15  in a product, an acknowledgment in the product documentation would be


16  appreciated but is not required.


17 


18  2. Altered source versions must be plainly marked as such, and must not be


19  misrepresented as being the original software.


20 


21  3. This notice may not be removed or altered from any source


22  distribution.


23  ******************************************************************************/


24 


25  #ifndef RJ__PrintFloat_h


26  #define RJ__PrintFloat_h


27 


28  #include "Standard.h"


29 


30  //******************************************************************************


31  //******************************************************************************


32  enum tPrintFloatFormat


33  {


34  PrintFloatFormat_Positional, // []ddddd.dddd


35  PrintFloatFormat_Scientific, // []d.dddde[sign]ddd


36  };


37 


38  //******************************************************************************


39  // Print a 32bit floatingpoint number as a decimal string.


40  // The output string is always NUL terminated and the string length (not


41  // including the NUL) is returned.


42  //******************************************************************************


43  tU32 PrintFloat32


44  (


45  tC8 * pOutBuffer, // buffer to output into


46  tU32 bufferSize, // size of pOutBuffer


47  tF32 value, // value to print


48  tPrintFloatFormat format, // format to print with


49  tS32 precision // If negative, the minimum number of digits to represent a


50  // unique 32bit floating point value is output. Otherwise,


51  // this is the number of digits to print past the decimal point.


52  );


53 


54  //******************************************************************************


55  // Print a 64bit floatingpoint number as a decimal string.


56  // The output string is always NUL terminated and the string length (not


57  // including the NUL) is returned.


58  //******************************************************************************


59  tU32 PrintFloat64


60  (


61  tC8 * pOutBuffer, // buffer to output into


62  tU32 bufferSize, // size of pOutBuffer


63  tF64 value, // value to print


64  tPrintFloatFormat format, // format to print with


65  tS32 precision // If negative, the minimum number of digits to represent a


66  // unique 64bit floating point value is output. Otherwise,


67  // this is the number of digits to print past the decimal point.


68  );


69 


70  #endif


71 

