diff options
Diffstat (limited to 'lib/mlibc/options/ansi/musl-generic-math/exp10.c')
-rw-r--r-- | lib/mlibc/options/ansi/musl-generic-math/exp10.c | 26 |
1 files changed, 0 insertions, 26 deletions
diff --git a/lib/mlibc/options/ansi/musl-generic-math/exp10.c b/lib/mlibc/options/ansi/musl-generic-math/exp10.c deleted file mode 100644 index 47b4dc7..0000000 --- a/lib/mlibc/options/ansi/musl-generic-math/exp10.c +++ /dev/null @@ -1,26 +0,0 @@ -#define _GNU_SOURCE -#include <math.h> -#include <stdint.h> -#include "weak_alias.h" -//#include "libc.h" - -double exp10(double x) -{ - static const double p10[] = { - 1e-15, 1e-14, 1e-13, 1e-12, 1e-11, 1e-10, - 1e-9, 1e-8, 1e-7, 1e-6, 1e-5, 1e-4, 1e-3, 1e-2, 1e-1, - 1, 1e1, 1e2, 1e3, 1e4, 1e5, 1e6, 1e7, 1e8, 1e9, - 1e10, 1e11, 1e12, 1e13, 1e14, 1e15 - }; - double n, y = modf(x, &n); - union {double f; uint64_t i;} u = {n}; - /* fabs(n) < 16 without raising invalid on nan */ - if ((u.i>>52 & 0x7ff) < 0x3ff+4) { - if (!y) return p10[(int)n+15]; - y = exp2(3.32192809488736234787031942948939 * y); - return y * p10[(int)n+15]; - } - return pow(10.0, x); -} - -weak_alias(exp10, pow10); |