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Upstream commit dddccbc3ef50ac52bf00723fd2f68d98140aab80 * adds ucrtbase.def.in * mingwex: replace mingw crt files with ucrt files * adds missing mingw-w64 ucrt files The rules that govern which set of files are included or excluded is contained in the logic for tools/update_mingw.zig
50 lines
1.5 KiB
C
Vendored
50 lines
1.5 KiB
C
Vendored
/**
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* This file has no copyright assigned and is placed in the Public Domain.
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* This file is part of the mingw-w64 runtime package.
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* No warranty is given; refer to the file DISCLAIMER.PD within this package.
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*/
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#ifndef _FP_CONSTS_H
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#define _FP_CONSTS_H
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/*
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According to IEEE 754 a QNaN has exponent bits of all 1 values and
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initial significand bit of 1. A SNaN has has an exponent of all 1
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values and initial significand bit of 0 (with one or more other
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significand bits of 1). An Inf has significand of 0 and
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exponent of all 1 values. A denormal value has all exponent bits of 0.
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*/
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#define __DOUBLE_INF_REP { 0, 0, 0, 0x7ff0 }
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#define __DOUBLE_QNAN_REP { 0, 0, 0, 0x7ff8 }
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#define __DOUBLE_SNAN_REP { 0, 0, 0, 0x7ff0 }
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#define __DOUBLE_DENORM_REP {1, 0, 0, 0}
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#define D_NAN_MASK 0x7ff0000000000000LL /* this will mask NaN's and Inf's */
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#define __FLOAT_INF_REP { 0, 0x7f80 }
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#define __FLOAT_QNAN_REP { 0, 0x7fc0 }
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#define __FLOAT_SNAN_REP { 0, 0x7f80 }
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#define __FLOAT_DENORM_REP {1,0}
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#define F_NAN_MASK 0x7f800000
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/*
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This assumes no implicit (hidden) bit in extended mode.
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Padded to 96 bits
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*/
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#define __LONG_DOUBLE_INF_REP { 0, 0, 0, 0x8000, 0x7fff, 0 }
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#define __LONG_DOUBLE_QNAN_REP { 0, 0, 0, 0xc000, 0x7fff, 0 }
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#define __LONG_DOUBLE_SNAN_REP { 0, 0, 0, 0x8000, 0x7fff, 0 }
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#define __LONG_DOUBLE_DENORM_REP {1, 0, 0, 0, 0, 0}
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union _ieee_rep
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{
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unsigned short rep[6];
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float float_val;
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double double_val;
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long double ldouble_val;
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};
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#endif /* _FP_CONSTS_H */
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