pike.git / lib / modules / Float.pmod

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pike.git/lib/modules/Float.pmod:1: - // $Id: Float.pmod,v 1.2 2003/11/07 21:55:45 mast Exp $ + // $Id: Float.pmod,v 1.3 2003/11/08 16:08:49 mast Exp $      #pike __REAL_VERSION__      constant DIGITS_10 = __builtin.FLOAT_DIGITS_10;   constant MIN_10_EXP = __builtin.FLOAT_MIN_10_EXP;   constant MAX_10_EXP = __builtin.FLOAT_MAX_10_EXP;   constant MIN = __builtin.FLOAT_MIN;   constant MAX = __builtin.FLOAT_MAX;   constant EPSILON = __builtin.FLOAT_EPSILON;   //! These constants define the limits for floats on the current   //! architecture:   //!   //! @dl   //! @item DIGITS_10   //! The number of decimal digits that can be represented. Any number   //! with this many decimal digits can be stored in a float and - //! converted back to decimal form without change. + //! converted back to decimal form without change. @[DIGITS_10] is + //! not less than @expr{6@}.   //! @item MIN_10_EXP   //! @item MAX_10_EXP   //! Limits of the exponent in decimal base. 10 raised to any number   //! within this range can be represented in normalized form. -  + //! @[MIN_10_EXP] is not greater than @expr{-37@}. @[MAX_10_EXP] is + //! not less than @expr{37@}.   //! @item MIN - //! The smallest normalized float greater than zero. + //! The smallest normalized float greater than zero. It's not + //! greater than @expr{1e-37@}.   //! @item MAX - //! The largest finite float. + //! The largest finite float. It's not less than @expr{1e37@}.   //! @item EPSILON   //! The difference between 1 and the smallest value greater than 1 - //! that can be represented. + //! that can be represented. It's not greater than @expr{1e-5@}.   //! @enddl   //!   //! @note   //! The size of the float type can be controlled when Pike is compiled   //! with the configure flags @expr{--with-double-precision@} and   //! @expr{--with-long-double-precision@}. The default is to use the   //! longest available float type that fits inside a pointer.      #if constant (__builtin.__FLOAT_PRECISION_FLOAT__)   constant FLOAT_PRECISION = __builtin.__FLOAT_PRECISION_FLOAT__;