osd-contiki/cpu/stm32w108/e_stdio/src/floatio.h
2011-03-22 19:35:49 +01:00

32 lines
1.2 KiB
C

/*
* Copyright (c) 1990 The Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms are permitted
* provided that the above copyright notice and this paragraph are
* duplicated in all such forms and that any documentation,
* advertising materials, and other materials related to such
* distribution and use acknowledge that the software was developed
* by the University of California, Berkeley. The name of the
* University may not be used to endorse or promote products derived
* from this software without specific prior written permission.
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*
* %W% (Berkeley) %G%
*/
/*
* Floating point scanf/printf (input/output) definitions.
*/
#ifdef _NO_LONGDBL
/* 11-bit exponent (VAX G floating point) is 308 decimal digits */
#define MAXEXP 308
#else /* !_NO_LONGDBL */
/* 15-bit exponent (Intel extended floating point) is 4932 decimal digits */
#define MAXEXP 4932
#endif /* !_NO_LONGDBL */
/* 128 bit fraction takes up 39 decimal digits; max reasonable precision */
#define MAXFRACT 39