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Import more Musl math

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This commit is contained in:
Justine Tunney 2022-07-12 15:49:11 -07:00
parent 6d52664aa7
commit 3027d67037
48 changed files with 1749 additions and 180 deletions
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11
test/libc/tinymath/ldexp_test.c
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@ -20,6 +20,7 @@
#include "libc/rand/rand.h"
#include "libc/runtime/gc.internal.h"
#include "libc/stdio/stdio.h"
#include "libc/testlib/ezbench.h"
#include "libc/testlib/testlib.h"
#include "libc/x/x.h"
@ -110,7 +111,11 @@ TEST(ldexp, stuff) {
ASSERT_STREQ("100.48", gc(xasprintf("%.2Lf", scalblnl(pi, twopow))));
}
TEST(exp10, test) {
ASSERT_EQ(100, (int)exp10(2));
ASSERT_STREQ("100.000000", gc(xasprintf("%Lf", exp10l(2))));
BENCH(ldexpl, bench) {
double _ldexp(double, int) asm("ldexp");
float _ldexpf(float, int) asm("ldexpf");
long double _ldexpl(long double, int) asm("ldexpl");
EZBENCH2("ldexp", donothing, _ldexp(.7, 3)); /* ~1ns */
EZBENCH2("ldexpf", donothing, _ldexpf(.7, 3)); /* ~1ns */
EZBENCH2("ldexpl", donothing, _ldexpl(.7, 3)); /* ~7ns */
}