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reimplement longdouble in D #8169

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Merged
dlang-bot merged 11 commits into from
May 27, 2018
Merged

reimplement longdouble in D #8169

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364ba4d
reimplement longdouble in D
rainers Apr 13, 2018
1f95441
add pure
rainers Apr 14, 2018
9fed8b1
fix win64.mak
rainers Apr 14, 2018
19ff22c
added @safe and @trusted
rainers Apr 14, 2018
9714c9a
workaround LDC not emitting tbyte FPU asm instruction
rainers Apr 15, 2018
ef8dc2a
fix comment
rainers Apr 16, 2018
1acad05
longdouble_soft: improve operator overloads
rainers Apr 19, 2018
adc2773
enable paranoia test, fix output of extended precision values with VC…
rainers Apr 20, 2018
8b35cb4
paranoia: enable ExtendedSoft test
rainers Apr 22, 2018
9b54297
initFPU: remove pure from asm, add @trusted
rainers May 19, 2018
206f73f
ld_clearfpu is not pure, make inline asm mixins private
rainers May 19, 2018
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19 changes: 6 additions & 13 deletions src/dmd/root/ctfloat.d
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Original file line number Diff line number Diff line change
Expand Up @@ -29,12 +29,8 @@ private

version(CRuntime_Microsoft) extern (C++)
{
static if (is(real_t == real))
struct longdouble { real_t r; }
else
import dmd.root.longdouble : longdouble;
size_t ld_sprint(char* str, int fmt, longdouble x);
longdouble strtold_dm(const(char)* p, char** endp);
public import dmd.root.longdouble : longdouble_soft, ld_sprint;
longdouble_soft strtold_dm(const(char)* p, char** endp);
}
}

Expand Down Expand Up @@ -148,9 +144,9 @@ extern (C++) struct CTFloat
// doesn't match with the C++ header.
// add a wrapper just for isSNaN as this is the only function called from C++
version(CRuntime_Microsoft) static if (is(real_t == real))
static bool isSNaN(longdouble ld)
static bool isSNaN(longdouble_soft ld)
{
return isSNaN(ld.r);
return isSNaN(cast(real)ld);
}

static bool isInfinity(real_t r)
Expand All @@ -168,10 +164,7 @@ extern (C++) struct CTFloat
}
version(CRuntime_Microsoft)
{
version(LDC)
auto r = strtold_dm(literal, null);
else
auto r = strtold_dm(literal, null).r;
auto r = cast(real_t) strtold_dm(literal, null);
}
else
auto r = strtold(literal, null);
Expand All @@ -185,7 +178,7 @@ extern (C++) struct CTFloat
{
version(CRuntime_Microsoft)
{
return cast(int)ld_sprint(str, fmt, longdouble(x));
return cast(int)ld_sprint(str, fmt, longdouble_soft(x));
}
else
{
Expand Down
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