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diff --git a/platform/altos/includes/float.h b/platform/altos/includes/float.h
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+++ b/platform/altos/includes/float.h
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+/* $Id$ */
+
+/* 7.7 Characteristics of floating types <float.h>
+
+   This file is part of the Public Domain C Library (PDCLib).
+   Permission is granted to use, modify, and / or redistribute at will.
+*/
+
+#ifndef _PDCLIB_FLOAT_H
+#define _PDCLIB_FLOAT_H _PDCLIB_FLOAT_H
+
+#ifndef _PDCLIB_CONFIG_H
+#define _PDCLIB_CONFIG_H _PDCLIB_CONFIG_H
+#include <_PDCLIB_config.h>
+#endif
+
+#define FLT_ROUNDS      _PDCLIB_FLT_ROUNDS
+#define FLT_EVAL_METHOD _PDCLIB_FLT_EVAL_METHOD
+#define DECIMAL_DIG     _PDCLIB_DECIMAL_DIG
+
+   /* Radix of exponent representation */
+#define FLT_RADIX      __FLT_RADIX__
+   /* Number of base-FLT_RADIX digits in the significand of a float */
+#define FLT_MANT_DIG   __FLT_MANT_DIG__
+   /* Number of decimal digits of precision in a float */
+#define FLT_DIG        __FLT_DIG__
+   /* Difference between 1.0 and the minimum float greater than 1.0 */
+#define FLT_EPSILON    __FLT_EPSILON__
+   /* Minimum int x such that FLT_RADIX**(x-1) is a normalised float */
+#define FLT_MIN_EXP    __FLT_MIN_EXP__
+   /* Minimum normalised float */
+#define FLT_MIN        __FLT_MIN__
+   /* Minimum int x such that 10**x is a normalised float */
+#define FLT_MIN_10_EXP __FLT_MIN_10_EXP__
+   /* Maximum int x such that FLT_RADIX**(x-1) is a representable float */
+#define FLT_MAX_EXP    __FLT_MAX_EXP__
+   /* Maximum float */
+#define FLT_MAX        __FLT_MAX__
+   /* Maximum int x such that 10**x is a representable float */
+#define FLT_MAX_10_EXP __FLT_MAX_10_EXP__
+
+   /* Number of base-FLT_RADIX digits in the significand of a double */
+#define DBL_MANT_DIG   __DBL_MANT_DIG__
+   /* Number of decimal digits of precision in a double */
+#define DBL_DIG        __DBL_DIG__
+   /* Difference between 1.0 and the minimum double greater than 1.0 */
+#define DBL_EPSILON    __DBL_EPSILON__
+   /* Minimum int x such that FLT_RADIX**(x-1) is a normalised double */
+#define DBL_MIN_EXP    __DBL_MIN_EXP__
+   /* Minimum normalised double */
+#define DBL_MIN        __DBL_MIN__
+   /* Minimum int x such that 10**x is a normalised double */
+#define DBL_MIN_10_EXP __DBL_MIN_10_EXP__
+   /* Maximum int x such that FLT_RADIX**(x-1) is a representable double */
+#define DBL_MAX_EXP    __DBL_MAX_EXP__
+   /* Maximum double */
+#define DBL_MAX        __DBL_MAX__
+   /* Maximum int x such that 10**x is a representable double */
+#define DBL_MAX_10_EXP __DBL_MAX_10_EXP__
+
+   /* Number of base-FLT_RADIX digits in the significand of a long double */
+#define LDBL_MANT_DIG   __LDBL_MANT_DIG__
+   /* Number of decimal digits of precision in a long double */
+#define LDBL_DIG        __LDBL_DIG__
+   /* Difference between 1.0 and the minimum long double greater than 1.0 */
+#define LDBL_EPSILON    __LDBL_EPSILON__
+   /* Minimum int x such that FLT_RADIX**(x-1) is a normalised long double */
+#define LDBL_MIN_EXP    __LDBL_MIN_EXP__
+   /* Minimum normalised long double */
+#define LDBL_MIN        __LDBL_MIN__
+   /* Minimum int x such that 10**x is a normalised long double */
+#define LDBL_MIN_10_EXP __LDBL_MIN_10_EXP__
+   /* Maximum int x such that FLT_RADIX**(x-1) is a representable long double */
+#define LDBL_MAX_EXP    __LDBL_MAX_EXP__
+   /* Maximum long double */
+#define LDBL_MAX        __LDBL_MAX__
+   /* Maximum int x such that 10**x is a representable long double */
+#define LDBL_MAX_10_EXP __LDBL_MAX_10_EXP__
+
+#endif