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Unified Diff: fusl/src/math/hypotl.c

Issue 1714623002: [fusl] clang-format fusl (Closed) Base URL: git@github.com:domokit/mojo.git@master
Patch Set: headers too Created 4 years, 10 months ago
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Index: fusl/src/math/hypotl.c
diff --git a/fusl/src/math/hypotl.c b/fusl/src/math/hypotl.c
index 479aa92c3dc29b235c8f6200863f73d22cd1fcef..543e1c2d5ec929975b9d3cd4b01930d8e9860fdf 100644
--- a/fusl/src/math/hypotl.c
+++ b/fusl/src/math/hypotl.c
@@ -1,66 +1,63 @@
#include "libm.h"
#if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024
-long double hypotl(long double x, long double y)
-{
- return hypot(x, y);
+long double hypotl(long double x, long double y) {
+ return hypot(x, y);
}
#elif (LDBL_MANT_DIG == 64 || LDBL_MANT_DIG == 113) && LDBL_MAX_EXP == 16384
#if LDBL_MANT_DIG == 64
-#define SPLIT (0x1p32L+1)
+#define SPLIT (0x1p32L + 1)
#elif LDBL_MANT_DIG == 113
-#define SPLIT (0x1p57L+1)
+#define SPLIT (0x1p57L + 1)
#endif
-static void sq(long double *hi, long double *lo, long double x)
-{
- long double xh, xl, xc;
- xc = x*SPLIT;
- xh = x - xc + xc;
- xl = x - xh;
- *hi = x*x;
- *lo = xh*xh - *hi + 2*xh*xl + xl*xl;
+static void sq(long double* hi, long double* lo, long double x) {
+ long double xh, xl, xc;
+ xc = x * SPLIT;
+ xh = x - xc + xc;
+ xl = x - xh;
+ *hi = x * x;
+ *lo = xh * xh - *hi + 2 * xh * xl + xl * xl;
}
-long double hypotl(long double x, long double y)
-{
- union ldshape ux = {x}, uy = {y};
- int ex, ey;
- long double hx, lx, hy, ly, z;
+long double hypotl(long double x, long double y) {
+ union ldshape ux = {x}, uy = {y};
+ int ex, ey;
+ long double hx, lx, hy, ly, z;
- ux.i.se &= 0x7fff;
- uy.i.se &= 0x7fff;
- if (ux.i.se < uy.i.se) {
- ex = uy.i.se;
- ey = ux.i.se;
- x = uy.f;
- y = ux.f;
- } else {
- ex = ux.i.se;
- ey = uy.i.se;
- x = ux.f;
- y = uy.f;
- }
+ ux.i.se &= 0x7fff;
+ uy.i.se &= 0x7fff;
+ if (ux.i.se < uy.i.se) {
+ ex = uy.i.se;
+ ey = ux.i.se;
+ x = uy.f;
+ y = ux.f;
+ } else {
+ ex = ux.i.se;
+ ey = uy.i.se;
+ x = ux.f;
+ y = uy.f;
+ }
- if (ex == 0x7fff && isinf(y))
- return y;
- if (ex == 0x7fff || y == 0)
- return x;
- if (ex - ey > LDBL_MANT_DIG)
- return x + y;
+ if (ex == 0x7fff && isinf(y))
+ return y;
+ if (ex == 0x7fff || y == 0)
+ return x;
+ if (ex - ey > LDBL_MANT_DIG)
+ return x + y;
- z = 1;
- if (ex > 0x3fff+8000) {
- z = 0x1p10000L;
- x *= 0x1p-10000L;
- y *= 0x1p-10000L;
- } else if (ey < 0x3fff-8000) {
- z = 0x1p-10000L;
- x *= 0x1p10000L;
- y *= 0x1p10000L;
- }
- sq(&hx, &lx, x);
- sq(&hy, &ly, y);
- return z*sqrtl(ly+lx+hy+hx);
+ z = 1;
+ if (ex > 0x3fff + 8000) {
+ z = 0x1p10000L;
+ x *= 0x1p-10000L;
+ y *= 0x1p-10000L;
+ } else if (ey < 0x3fff - 8000) {
+ z = 0x1p-10000L;
+ x *= 0x1p10000L;
+ y *= 0x1p10000L;
+ }
+ sq(&hx, &lx, x);
+ sq(&hy, &ly, y);
+ return z * sqrtl(ly + lx + hy + hx);
}
#endif

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