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Add long double printf formatting support

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You can now easily print numbers that have 80 bits of precision. This
change also imports many of the test vectors from the gdtoa codebase.
This commit is contained in:
Justine Tunney 2022-06-14 02:12:32 -07:00
parent dae0583ee5
commit 1c387727fe
9 changed files with 808 additions and 287 deletions
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4
test/libc/fmt/palandprintf_test.c
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@ -638,9 +638,13 @@ BENCH(palandprintf, bench) {
EZBENCH2("23 %x", donothing, Format("%x", VEIL("r", 23)));
EZBENCH2("23 %d", donothing, Format("%d", VEIL("r", 23)));
EZBENCH2("%f M_PI", donothing, Format("%f", VEIL("x", M_PI)));
EZBENCH2("%Lf M_PI", donothing, Format("%Lf", VEIL("t", M_PI)));
EZBENCH2("%g M_PI", donothing, Format("%g", VEIL("x", M_PI)));
EZBENCH2("%Lg M_PI", donothing, Format("%Lg", VEIL("t", M_PI)));
EZBENCH2("%a M_PI", donothing, Format("%a", VEIL("x", M_PI)));
EZBENCH2("%La M_PI", donothing, Format("%La", VEIL("t", M_PI)));
EZBENCH2("%e M_PI", donothing, Format("%e", VEIL("x", M_PI)));
EZBENCH2("%Le M_PI", donothing, Format("%Le", VEIL("t", M_PI)));
EZBENCH2("ULONG_MAX %lo", donothing, Format("%lo", VEIL("r", ULONG_MAX)));
EZBENCH2("INT_MIN %x", donothing, Format("%x", VEIL("r", INT_MIN)));
EZBENCH2("INT_MIN %d", donothing, Format("%d", VEIL("r", INT_MIN)));