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float: bug fix on +zero

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penguindark 2019-12-21 23:38:02 +01:00 committed by Alexander Medvednikov
parent ef28a6b872
commit 5cfbc7bab5
1 changed files with 13 additions and 9 deletions
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6
vlib/strconv/atof.v
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@ -489,7 +489,7 @@ fn converter(pn mut PrepNumber) u64 {
}
s1 = s1 & check_round_mask
s0 = u32(0)
}
// recheck normalization
if s2 & (mask28<<u32(1)) != 0 {
// C.printf("Renormalize!!")
@ -499,6 +499,8 @@ fn converter(pn mut PrepNumber) u64 {
s1 = q1
s0 = q0
}
}
// tmp := ( u64(s2 & ~mask28) << 24) | ((u64(s1) + u64(128)) >> 8)
// C.printf("mantissa after rounding : %08x%08x%08x binexp: %d \n", s2,s1,s0,binexp)
// C.printf("Tmp result: %016x\n",tmp)
@ -516,6 +518,8 @@ fn converter(pn mut PrepNumber) u64 {
else if binexp < 1 {
if pn.negative {
result = DOUBLE_MINUS_ZERO
} else {
result = DOUBLE_PLUS_ZERO
}
}
else if s2 != 0 {