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-rw-r--r--lib/mlibc/options/ansi/musl-generic-math/tanhl.c48
1 files changed, 0 insertions, 48 deletions
diff --git a/lib/mlibc/options/ansi/musl-generic-math/tanhl.c b/lib/mlibc/options/ansi/musl-generic-math/tanhl.c
deleted file mode 100644
index 4e1aa9f..0000000
--- a/lib/mlibc/options/ansi/musl-generic-math/tanhl.c
+++ /dev/null
@@ -1,48 +0,0 @@
-#include "libm.h"
-
-#if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024
-long double tanhl(long double x)
-{
- return tanh(x);
-}
-#elif LDBL_MANT_DIG == 64 && LDBL_MAX_EXP == 16384
-long double tanhl(long double x)
-{
- union ldshape u = {x};
- unsigned ex = u.i.se & 0x7fff;
- unsigned sign = u.i.se & 0x8000;
- uint32_t w;
- long double t;
-
- /* x = |x| */
- u.i.se = ex;
- x = u.f;
- w = u.i.m >> 32;
-
- if (ex > 0x3ffe || (ex == 0x3ffe && w > 0x8c9f53d5)) {
- /* |x| > log(3)/2 ~= 0.5493 or nan */
- if (ex >= 0x3fff+5) {
- /* |x| >= 32 */
- t = 1 + 0/(x + 0x1p-120f);
- } else {
- t = expm1l(2*x);
- t = 1 - 2/(t+2);
- }
- } else if (ex > 0x3ffd || (ex == 0x3ffd && w > 0x82c577d4)) {
- /* |x| > log(5/3)/2 ~= 0.2554 */
- t = expm1l(2*x);
- t = t/(t+2);
- } else {
- /* |x| is small */
- t = expm1l(-2*x);
- t = -t/(t+2);
- }
- return sign ? -t : t;
-}
-#elif LDBL_MANT_DIG == 113 && LDBL_MAX_EXP == 16384
-// TODO: broken implementation to make things compile
-long double tanhl(long double x)
-{
- return tanh(x);
-}
-#endif