50 lines
1.5 KiB
C
50 lines
1.5 KiB
C
/*
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(c) copyright 1988 by the Vrije Universiteit, Amsterdam, The Netherlands.
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See the copyright notice in the ACK home directory, in the file "Copyright".
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*/
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/* $Header$ */
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/*
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include file for floating point package
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*/
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#ifdef IEEEFORMAT
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/* FLOAT FORMAT EXPONENT BIAS */
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#define SGL_BIAS 127 /* excess 128 notation used */
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#define DBL_BIAS 1023 /* excess 1024 notation used */
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#define EXT_BIAS 0 /* 2s-complement notation used */
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/* this is possible because the */
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/* sign is in a seperate word */
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/* VARIOUS MAX AND MIN VALUES */
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/* 1) FOR THE DIFFERENT FORMATS */
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#define SGL_MAX 255 /* standard definition */
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#define SGL_MIN 1 /* standard definition */
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#define DBL_MAX 2047 /* standard definition */
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#define DBL_MIN 1 /* standard definition */
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#define EXT_MAX 16384 /* standard minimum */
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#define EXT_MIN -16383 /* standard minimum */
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#else
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/* FLOAT FORMAT EXPONENT BIAS */
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#define SGL_BIAS 127 /* excess 128 notation used */
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#define DBL_BIAS 127 /* excess 128 notation used */
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#define EXT_BIAS 0 /* 2s-complement notation used */
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/* this is possible because the */
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/* sign is in a seperate word */
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/* VARIOUS MAX AND MIN VALUES */
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/* 1) FOR THE DIFFERENT FORMATS */
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#define SGL_MAX 255 /* standard definition */
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#define SGL_MIN 1 /* standard definition */
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#define DBL_MAX 255 /* standard definition */
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#define DBL_MIN 1 /* standard definition */
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#define EXT_MAX 16384 /* standard minimum */
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#define EXT_MIN -16383 /* standard minimum */
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#endif
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