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25 lines
750 B
25 lines
750 B
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#include <stdint.h>
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#include "platform.h"
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#include "specialize.h"
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#include "softfloat.h"
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/*----------------------------------------------------------------------------
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| Returns the result of converting the double-precision floating-point NaN
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| `a' to the canonical NaN format. If `a' is a signaling NaN, the invalid
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| exception is raised.
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*----------------------------------------------------------------------------*/
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struct commonNaN softfloat_f64UIToCommonNaN( uint_fast64_t uiA )
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{
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struct commonNaN z;
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if ( softfloat_isSigNaNF64UI( uiA ) ) {
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softfloat_raiseFlags( softfloat_flag_invalid );
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}
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z.sign = uiA>>63;
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z.v64 = (uint_fast64_t) 0xFFFFFFFFFFFFF <<12;
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z.v0 = 0;
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return z;
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}
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