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Bitpattern that makes up the fractional part.
Source position: syshelph.inc line 319
 public property TDoubleHelper.Frac : QWord  | 
Frac is the bit pattern representing the fractional part (significand) including the preceding 1 (the hidden bit).
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Indexed access to the individual bytes of the floating point value  | 
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Sign of the floating point value  | 
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The bit pattern of the exponent as stored in memory.  | 
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Mantissa of the floating-point  | 
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Fraction of the floating-point value  | 
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Exponent of the floating-point value  |