64 lines
1.2 KiB
C
64 lines
1.2 KiB
C
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/*
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include file for floating point package
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*/
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# define CARRYBIT 0x80000000L
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# define NORMBIT 0x80000000L
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# define EXP_STORE 16
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/* parameters for Single Precision */
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#define SGL_EXPSHIFT 7
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#define SGL_M1LEFT 8
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#define SGL_ZERO 0xffffff80L
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#define SGL_EXACT 0xff
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#define SGL_RUNPACK SGL_M1LEFT
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#define SGL_ROUNDUP 0x80
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#define SGL_CARRYOUT 0x01000000L
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#define SGL_MASK 0x007fffffL
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/* parameters for Double Precision */
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#ifndef IEEEFORMAT
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#define DBL_EXPSHIFT SGL_EXPSHIFT
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#define DBL_M1LEFT SGL_M1LEFT
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#define DBL_LPACK DBL_RUNPACK
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#define DBL_RPACK DBL_LUNPACK
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#define DBL_ZERO SGL_ZERO
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#define DBL_EXACT SGL_EXACT
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#define DBL_RUNPACK DBL_M1LEFT
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#define DBL_LUNPACK 32-DBL_M1LEFT
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#define DBL_ROUNDUP SGL_ROUNDUP
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#define DBL_CARRYOUT SGL_CARRYOUT
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#define DBL_MASK SGL_MASK
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#else
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/* used in extend.c */
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#define DBL_EXPSHIFT 4
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#define DBL_M1LEFT 11
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#define DBL_RPACK 32-DBL_M1LEFT
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#define DBL_LPACK DBL_M1LEFT
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/* used in compact.c */
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#define DBL_ZERO 0xfffffd00L
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#define DBL_EXACT 0x7ff
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#define DBL_RUNPACK DBL_M1LEFT
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#define DBL_LUNPACK 32-DBL_RUNPACK
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#define DBL_ROUNDUP 0x400
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#define DBL_CARRYOUT 0x00200000L
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#define DBL_MASK 0x000fffffL
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#endif IEEEFORMAT
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