feat: add gzip and new headers

1 files changed, 33 insertions, 0 deletions

diff --git a/lib/libm/exp10l.c b/lib/libm/exp10l.c
new file mode 100644
index 00000000..53915621
--- /dev/null
+++ b/lib/libm/exp10l.c
@@ -0,0 +1,33 @@
+#define _GNU_SOURCE
+#include <float.h>
+#include <math.h>
+#include "libm.h"
+
+#if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024
+long double exp10l(long double x)
+{
+	return exp10(x);
+}
+#elif (LDBL_MANT_DIG == 64 || LDBL_MANT_DIG == 113) && LDBL_MAX_EXP == 16384
+long double exp10l(long double x)
+{
+	static const long double p10[] = {
+		1e-15L, 1e-14L, 1e-13L, 1e-12L, 1e-11L, 1e-10L, 1e-9L, 1e-8L,
+		1e-7L,	1e-6L,	1e-5L,	1e-4L,	1e-3L,	1e-2L,	1e-1L, 1,
+		1e1,	1e2,	1e3,	1e4,	1e5,	1e6,	1e7,   1e8,
+		1e9,	1e10,	1e11,	1e12,	1e13,	1e14,	1e15
+	};
+	long double n, y = modfl(x, &n);
+	union ldshape u = { n };
+	/* fabsl(n) < 16 without raising invalid on nan */
+	if ((u.i.se & 0x7fff) < 0x3fff + 4) {
+		if (!y)
+			return p10[(int)n + 15];
+		y = exp2l(3.32192809488736234787031942948939L * y);
+		return y * p10[(int)n + 15];
+	}
+	return powl(10.0, x);
+}
+#endif
+
+weak_alias(exp10l, pow10l);