mirrors/cosmopolitan
1
0
Fork 0
mirror of https://github.com/jart/cosmopolitan.git synced 2025-05-23 13:52:28 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

Improve signal handling and math

Browse source 
- Polyfill ucontext_t on FreeBSD/OpenBSD/NetBSD
- Add tests confirming signals can edit CPU state
- Work towards supporting ZIP filesystem on bare metal
- Add more tinymath unit tests for POSIX conformance
- Add X87 and SSE status flags to crash report
- Fix some bugs in blinkenlights
- Fix llvm build breakage
This commit is contained in:
Justine Tunney 2021-02-25 18:30:17 -08:00
parent cdc54ea1fd
commit 40291c9db3
109 changed files with 2316 additions and 520 deletions
Download patch file Download diff file Expand all files Collapse all files

30
test/libc/tinymath/fabs_test.c
View file

@ -17,9 +17,39 @@
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/math.h"
#include "libc/runtime/gc.h"
#include "libc/testlib/testlib.h"
#include "libc/x/x.h"
#define fabsl(x) fabsl(VEIL("t", (long double)(x)))
#define fabs(x) fabs(VEIL("x", (double)(x)))
#define fabsf(x) fabsf(VEIL("x", (float)(x)))
TEST(fabsl, test) {
EXPECT_STREQ("0", gc(xdtoal(fabsl(-0.))));
EXPECT_STREQ("0", gc(xdtoal(fabsl(-0.))));
EXPECT_STREQ("NAN", gc(xdtoal(fabsl(NAN))));
EXPECT_STREQ("INFINITY", gc(xdtoal(fabsl(INFINITY))));
EXPECT_STREQ("INFINITY", gc(xdtoal(fabsl(-INFINITY))));
}
TEST(fabs, test) {
EXPECT_STREQ("0", gc(xdtoa(fabs(-0.))));
EXPECT_STREQ("0", gc(xdtoa(fabs(-0.))));
EXPECT_STREQ("NAN", gc(xdtoa(fabs(NAN))));
EXPECT_STREQ("INFINITY", gc(xdtoa(fabs(INFINITY))));
EXPECT_STREQ("INFINITY", gc(xdtoa(fabs(-INFINITY))));
}
TEST(fabsf, test) {
EXPECT_STREQ("0", gc(xdtoaf(fabsf(-0.))));
EXPECT_STREQ("0", gc(xdtoaf(fabsf(-0.))));
EXPECT_STREQ("NAN", gc(xdtoaf(fabsf(NAN))));
EXPECT_STREQ("INFINITY", gc(xdtoaf(fabsf(INFINITY))));
EXPECT_STREQ("INFINITY", gc(xdtoaf(fabsf(-INFINITY))));
}
TEST(fabs, stuff) {
EXPECT_LDBL_EQ(3.14, fabs(3.14));
EXPECT_LDBL_EQ(3.14, fabs(-3.14));
EXPECT_EQ(1, !!isnan(fabs(NAN)));