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| author | Ian Moffett <ian@osmora.org> | 2024-03-07 17:28:52 -0500 |
|---|---|---|
| committer | Ian Moffett <ian@osmora.org> | 2024-03-07 18:24:51 -0500 |
| commit | f5e48e94a2f4d4bbd6e5628c7f2afafc6dbcc459 (patch) | |
| tree | 93b156621dc0303816b37f60ba88051b702d92f6 /lib/mlibc/options/ansi/musl-generic-math/acoshf.c | |
| parent | bd5969fc876a10b18613302db7087ef3c40f18e1 (diff) | |
build: Build mlibc + add distclean target
Signed-off-by: Ian Moffett <ian@osmora.org>
Diffstat (limited to 'lib/mlibc/options/ansi/musl-generic-math/acoshf.c')
| -rw-r--r-- | lib/mlibc/options/ansi/musl-generic-math/acoshf.c | 26 |
1 files changed, 0 insertions, 26 deletions
diff --git a/lib/mlibc/options/ansi/musl-generic-math/acoshf.c b/lib/mlibc/options/ansi/musl-generic-math/acoshf.c deleted file mode 100644 index 8a4ec4d..0000000 --- a/lib/mlibc/options/ansi/musl-generic-math/acoshf.c +++ /dev/null @@ -1,26 +0,0 @@ -#include "libm.h" - -#if FLT_EVAL_METHOD==2 -#undef sqrtf -#define sqrtf sqrtl -#elif FLT_EVAL_METHOD==1 -#undef sqrtf -#define sqrtf sqrt -#endif - -/* acosh(x) = log(x + sqrt(x*x-1)) */ -float acoshf(float x) -{ - union {float f; uint32_t i;} u = {x}; - uint32_t a = u.i & 0x7fffffff; - - if (a < 0x3f800000+(1<<23)) - /* |x| < 2, invalid if x < 1 or nan */ - /* up to 2ulp error in [1,1.125] */ - return log1pf(x-1 + sqrtf((x-1)*(x-1)+2*(x-1))); - if (a < 0x3f800000+(12<<23)) - /* |x| < 0x1p12 */ - return logf(2*x - 1/(x+sqrtf(x*x-1))); - /* x >= 0x1p12 */ - return logf(x) + 0.693147180559945309417232121458176568f; -} |