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softfloat f64_sqrt bug fix

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This commit is contained in:
Rostislav Vasilikhin 2017-09-25 15:52:56 +03:00
parent b143f7100a
commit 945706a8e8
1 changed files with 1 additions and 1 deletions
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2
modules/core/src/softfloat.cpp
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@ -1911,7 +1911,7 @@ static float64_t f64_sqrt( float64_t a )
sigZ = ((uint_fast64_t) sig32Z<<32 | 1<<5) + ((uint_fast64_t) q<<3);
/*------------------------------------------------------------------------
*------------------------------------------------------------------------*/
if ( (sigZ & 0x1FF) < 1<<5 ) {
if ( (sigZ & 0x1FF) < 0x22 ) {
sigZ &= ~(uint_fast64_t) 0x3F;
shiftedSigZ = sigZ>>6;
rem = (sigA<<52) - shiftedSigZ * shiftedSigZ;