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Port a lot more code to AARCH64

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- Introduce epoll_pwait()
- Rewrite -ftrapv and ffs() libraries in C code
- Use more FreeBSD code in math function library
- Get significantly more tests passing on qemu-aarch64
- Fix many Musl long double functions that were broken on AARCH64
This commit is contained in:
Justine Tunney 2023-05-14 09:32:15 -07:00
parent 91791e9f38
commit 550b52abf6
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GPG key ID: BE714B4575D6E328
158 changed files with 6018 additions and 3499 deletions
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46
test/libc/tinymath/acos_test.c
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@ -23,32 +23,30 @@
#include "libc/testlib/testlib.h"
#include "libc/x/xasprintf.h"
double acos_(double) asm("acos");
#define acos acos_
double _acos(double) asm("acos");
float _acosf(float) asm("acosf");
long double _acosl(long double) asm("acosl");
TEST(acos, test) {
EXPECT_STREQ("1.5707963267949", _gc(xasprintf("%.15g", acos(0.))));
EXPECT_STREQ("1.5707963267949", _gc(xasprintf("%.15g", acos(-0.))));
EXPECT_STREQ("1.0471975511966", _gc(xasprintf("%.15g", acos(.5))));
EXPECT_STREQ("2.0943951023932", _gc(xasprintf("%.15g", acos(-.5))));
EXPECT_STREQ("0", _gc(xasprintf("%.15g", acos(1.))));
EXPECT_STREQ("3.14159265358979", _gc(xasprintf("%.15g", acos(-1.))));
EXPECT_TRUE(isnan(acos(1.5)));
EXPECT_TRUE(isnan(acos(-1.5)));
EXPECT_TRUE(isnan(acos(2.)));
EXPECT_TRUE(isnan(acos(NAN)));
EXPECT_TRUE(isnan(acos(-NAN)));
EXPECT_TRUE(isnan(acos(INFINITY)));
EXPECT_TRUE(isnan(acos(-INFINITY)));
EXPECT_STREQ("1.5707963267949", _gc(xasprintf("%.15g", acos(__DBL_MIN__))));
EXPECT_TRUE(isnan(acos(__DBL_MAX__)));
EXPECT_STREQ("1.5707963267949", _gc(xasprintf("%.15g", _acos(0.))));
EXPECT_STREQ("1.5707963267949", _gc(xasprintf("%.15g", _acos(-0.))));
EXPECT_STREQ("1.0471975511966", _gc(xasprintf("%.15g", _acos(.5))));
EXPECT_STREQ("2.0943951023932", _gc(xasprintf("%.15g", _acos(-.5))));
EXPECT_STREQ("0", _gc(xasprintf("%.15g", _acos(1.))));
EXPECT_STREQ("3.14159265358979", _gc(xasprintf("%.15g", _acos(-1.))));
EXPECT_TRUE(isnan(_acos(1.5)));
EXPECT_TRUE(isnan(_acos(-1.5)));
EXPECT_TRUE(isnan(_acos(2.)));
EXPECT_TRUE(isnan(_acos(NAN)));
EXPECT_TRUE(isnan(_acos(-NAN)));
EXPECT_TRUE(isnan(_acos(INFINITY)));
EXPECT_TRUE(isnan(_acos(-INFINITY)));
EXPECT_STREQ("1.5707963267949", _gc(xasprintf("%.15g", _acos(__DBL_MIN__))));
EXPECT_TRUE(isnan(_acos(__DBL_MAX__)));
}
BENCH(acosl, bench) {
double _acos(double) asm("acos");
float _acosf(float) asm("acosf");
long double _acosl(long double) asm("acosl");
EZBENCH2("-acos", donothing, _acos(.7)); /* ~17ns */
EZBENCH2("-acosf", donothing, _acosf(.7)); /* ~11ns */
EZBENCH2("-acosl", donothing, _acosl(.7)); /* ~40ns */
BENCH(acos, bench) {
EZBENCH2("acos", donothing, _acos(.7)); /* ~13ns */
EZBENCH2("acosf", donothing, _acosf(.7)); /* ~10ns */
EZBENCH2("acosl", donothing, _acosl(.7)); /* ~26ns */
}