| Index: fusl/src/math/exp10.c
|
| diff --git a/fusl/src/math/exp10.c b/fusl/src/math/exp10.c
|
| index 9f5e3c2c51ea4afae2c62c10c6a392870cada366..eb926b5a2d8f39305d7c23a44a17472ca5ab09af 100644
|
| --- a/fusl/src/math/exp10.c
|
| +++ b/fusl/src/math/exp10.c
|
| @@ -3,23 +3,24 @@
|
| #include <stdint.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);
|
| +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);
|
|
|