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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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51
test/libc/tinymath/cos_test.c
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@ -22,34 +22,35 @@
#include "libc/testlib/testlib.h"
#include "libc/x/xasprintf.h"
double _cos(double) asm("cos");
float _cosf(float) asm("cosf");
long double _cosl(long double) asm("cosl");
TEST(cos, test) {
EXPECT_STREQ("1", _gc(xasprintf("%.15g", cos(0.))));
EXPECT_STREQ("1", _gc(xasprintf("%.15g", cos(-0.))));
EXPECT_STREQ("0.995004165278026", _gc(xasprintf("%.15g", cos(.1))));
EXPECT_STREQ("0.995004165278026", _gc(xasprintf("%.15g", cos(-.1))));
EXPECT_STREQ("0.877582561890373", _gc(xasprintf("%.15g", cos(.5))));
EXPECT_STREQ("0.877582561890373", _gc(xasprintf("%.15g", cos(-.5))));
EXPECT_STREQ("0.54030230586814", _gc(xasprintf("%.15g", cos(1.))));
EXPECT_STREQ("0.54030230586814", _gc(xasprintf("%.15g", cos(-1.))));
EXPECT_STREQ("0.0707372016677029", _gc(xasprintf("%.15g", cos(1.5))));
EXPECT_STREQ("0.0707372016677029", _gc(xasprintf("%.15g", cos(-1.5))));
EXPECT_STREQ("-0.416146836547142", _gc(xasprintf("%.15g", cos(2.))));
EXPECT_TRUE(isnan(cos(NAN)));
EXPECT_TRUE(isnan(cos(-NAN)));
EXPECT_TRUE(isnan(cos(INFINITY)));
EXPECT_TRUE(isnan(cos(-INFINITY)));
EXPECT_STREQ("1", _gc(xasprintf("%.15g", cos(__DBL_MIN__))));
EXPECT_STREQ("-0.99998768942656", _gc(xasprintf("%.15g", cos(__DBL_MAX__))));
EXPECT_STREQ("1", _gc(xasprintf("%.15g", _cos(0.))));
EXPECT_STREQ("1", _gc(xasprintf("%.15g", _cos(-0.))));
EXPECT_STREQ("0.995004165278026", _gc(xasprintf("%.15g", _cos(.1))));
EXPECT_STREQ("0.995004165278026", _gc(xasprintf("%.15g", _cos(-.1))));
EXPECT_STREQ("0.877582561890373", _gc(xasprintf("%.15g", _cos(.5))));
EXPECT_STREQ("0.877582561890373", _gc(xasprintf("%.15g", _cos(-.5))));
EXPECT_STREQ("0.54030230586814", _gc(xasprintf("%.15g", _cos(1.))));
EXPECT_STREQ("0.54030230586814", _gc(xasprintf("%.15g", _cos(-1.))));
EXPECT_STREQ("0.0707372016677029", _gc(xasprintf("%.15g", _cos(1.5))));
EXPECT_STREQ("0.0707372016677029", _gc(xasprintf("%.15g", _cos(-1.5))));
EXPECT_STREQ("-0.416146836547142", _gc(xasprintf("%.15g", _cos(2.))));
EXPECT_TRUE(isnan(_cos(NAN)));
EXPECT_TRUE(isnan(_cos(-NAN)));
EXPECT_TRUE(isnan(_cos(INFINITY)));
EXPECT_TRUE(isnan(_cos(-INFINITY)));
EXPECT_STREQ("1", _gc(xasprintf("%.15g", _cos(__DBL_MIN__))));
EXPECT_STREQ("-0.99998768942656", _gc(xasprintf("%.15g", _cos(__DBL_MAX__))));
EXPECT_STREQ("0.54030230586814",
_gc(xasprintf("%.15g", cos(-1.0000000000000002))));
EXPECT_STREQ("1", _gc(xasprintf("%.15g", cos(-2.1073424255447e-08))));
_gc(xasprintf("%.15g", _cos(-1.0000000000000002))));
EXPECT_STREQ("1", _gc(xasprintf("%.15g", _cos(-2.1073424255447e-08))));
}
BENCH(cos, bench) {
double _cos(double) asm("cos");
float _cosf(float) asm("cosf");
long double _cosl(long double) asm("cosl");
EZBENCH2("cos", donothing, _cos(.7)); /* ~6ns */
EZBENCH2("cosf", donothing, _cosf(.7)); /* ~5ns */
EZBENCH2("cosl", donothing, _cosl(.7)); /* ~28ns */
EZBENCH2("cos", donothing, _cos(.7)); // ~6ns
EZBENCH2("cosf", donothing, _cosf(.7)); // ~5ns
EZBENCH2("cosl", donothing, _cosl(.7)); // ~25ns
}