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Clarify APE self-modifying behavior in README

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See #102
This commit is contained in:
Justine Tunney 2021-03-04 07:54:41 -08:00
parent 43b2475aaa
commit b9f73e6a4d
2 changed files with 13 additions and 20 deletions
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18
test/libc/tinymath/sinl_test.c
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@ -26,24 +26,6 @@
#define sin(x) sin(VEIL("x", (double)(x)))
#define sinf(x) sinf(VEIL("x", (float)(x)))
void SetUp(void) {
/* 8087 FPU Control Word
IM: Invalid Operation ───────────────┐
DM: Denormal Operand ───────────────┐│
ZM: Zero Divide ───────────────────┐││
OM: Overflow ─────────────────────┐│││
UM: Underflow ───────────────────┐││││
PM: Precision ──────────────────┐│││││
PC: Precision Control ────────┐ ││││││
{float,∅,double,long double} │ ││││││
RC: Rounding Control ───────┐ │ ││││││
{even, →-∞, →+∞, →0} │┌┤ ││││││
┌┤││ ││││││
d││││rr││││││*/
int x87cw = 0b0000000000000000001101100001;
asm volatile("fldcw\t%0" : /* no outputs */ : "m"(x87cw));
}
TEST(sinl, test) {
EXPECT_STREQ("NAN", gc(xdtoal(sinl(NAN))));
EXPECT_STREQ("-NAN", gc(xdtoal(sinl(+INFINITY))));