39 lines
882 B
C
39 lines
882 B
C
/*
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* Union to access IEEE float memory representation.
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*/
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#if !defined(DUK_FLTUNION_H_INCLUDED)
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#define DUK_FLTUNION_H_INCLUDED
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#include "duk_internal.h"
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union duk_float_union {
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float f;
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duk_uint32_t ui[1];
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duk_uint16_t us[2];
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duk_uint8_t uc[4];
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};
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typedef union duk_float_union duk_float_union;
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#if defined(DUK_USE_DOUBLE_LE) || defined(DUK_USE_DOUBLE_ME)
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#define DUK_FLT_IDX_UI0 0
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#define DUK_FLT_IDX_US0 1
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#define DUK_FLT_IDX_US1 0
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#define DUK_FLT_IDX_UC0 3
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#define DUK_FLT_IDX_UC1 2
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#define DUK_FLT_IDX_UC2 1
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#define DUK_FLT_IDX_UC3 0
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#elif defined(DUK_USE_DOUBLE_BE)
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#define DUK_FLT_IDX_UI0 0
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#define DUK_FLT_IDX_US0 0
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#define DUK_FLT_IDX_US1 1
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#define DUK_FLT_IDX_UC0 0
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#define DUK_FLT_IDX_UC1 1
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#define DUK_FLT_IDX_UC2 2
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#define DUK_FLT_IDX_UC3 3
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#else
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#error internal error
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#endif
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#endif /* DUK_FLTUNION_H_INCLUDED */
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