build: Build mlibc + add distclean target

Signed-off-by: Ian Moffett <ian@osmora.org>

1 files changed, 0 insertions, 67 deletions

diff --git a/lib/mlibc/options/ansi/musl-generic-math/hypot.c b/lib/mlibc/options/ansi/musl-generic-math/hypot.c
deleted file mode 100644
index 6071bf1..0000000
--- a/lib/mlibc/options/ansi/musl-generic-math/hypot.c
+++ /dev/null
@@ -1,67 +0,0 @@
-#include <math.h>
-#include <stdint.h>
-#include <float.h>
-
-#if FLT_EVAL_METHOD > 1U && LDBL_MANT_DIG == 64
-#define SPLIT (0x1p32 + 1)
-#else
-#define SPLIT (0x1p27 + 1)
-#endif
-
-static void sq(double_t *hi, double_t *lo, double x)
-{
-	double_t xh, xl, xc;
-
-	xc = (double_t)x*SPLIT;
-	xh = x - xc + xc;
-	xl = x - xh;
-	*hi = (double_t)x*x;
-	*lo = xh*xh - *hi + 2*xh*xl + xl*xl;
-}
-
-double hypot(double x, double y)
-{
-	union {double f; uint64_t i;} ux = {x}, uy = {y}, ut;
-	int ex, ey;
-	double_t hx, lx, hy, ly, z;
-
-	/* arrange |x| >= |y| */
-	ux.i &= -1ULL>>1;
-	uy.i &= -1ULL>>1;
-	if (ux.i < uy.i) {
-		ut = ux;
-		ux = uy;
-		uy = ut;
-	}
-
-	/* special cases */
-	ex = ux.i>>52;
-	ey = uy.i>>52;
-	x = ux.f;
-	y = uy.f;
-	/* note: hypot(inf,nan) == inf */
-	if (ey == 0x7ff)
-		return y;
-	if (ex == 0x7ff || uy.i == 0)
-		return x;
-	/* note: hypot(x,y) ~= x + y*y/x/2 with inexact for small y/x */
-	/* 64 difference is enough for ld80 double_t */
-	if (ex - ey > 64)
-		return x + y;
-
-	/* precise sqrt argument in nearest rounding mode without overflow */
-	/* xh*xh must not overflow and xl*xl must not underflow in sq */
-	z = 1;
-	if (ex > 0x3ff+510) {
-		z = 0x1p700;
-		x *= 0x1p-700;
-		y *= 0x1p-700;
-	} else if (ey < 0x3ff-450) {
-		z = 0x1p-700;
-		x *= 0x1p700;
-		y *= 0x1p700;
-	}
-	sq(&hx, &lx, x);
-	sq(&hy, &ly, y);
-	return z*sqrt(ly+lx+hy+hx);
-}