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11210 libm should be cstyle(1ONBLD) clean
@@ -20,26 +20,27 @@
*/
/*
* Copyright 2011 Nexenta Systems, Inc. All rights reserved.
*/
+
/*
* Copyright 2006 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma weak __csqrtf = csqrtf
#include "libm.h" /* sqrt/fabsf/sqrtf */
#include "complex_wrapper.h"
-/* INDENT OFF */
static const float zero = 0.0F;
-/* INDENT ON */
+
fcomplex
-csqrtf(fcomplex z) {
+csqrtf(fcomplex z)
+{
fcomplex ans;
double dt, dx, dy;
float x, y, t, ax, ay, w;
int ix, iy, hx, hy;
@@ -49,45 +50,50 @@
hy = THE_WORD(y);
ix = hx & 0x7fffffff;
iy = hy & 0x7fffffff;
ay = fabsf(y);
ax = fabsf(x);
+
if (ix >= 0x7f800000 || iy >= 0x7f800000) {
/* x or y is Inf or NaN */
- if (iy == 0x7f800000)
+ if (iy == 0x7f800000) {
F_IM(ans) = F_RE(ans) = ay;
- else if (ix == 0x7f800000) {
+ } else if (ix == 0x7f800000) {
if (hx > 0) {
F_RE(ans) = ax;
F_IM(ans) = ay * zero;
} else {
F_RE(ans) = ay * zero;
F_IM(ans) = ax;
}
- } else
+ } else {
F_IM(ans) = F_RE(ans) = ax + ay;
+ }
} else if (iy == 0) {
if (hx >= 0) {
F_RE(ans) = sqrtf(ax);
F_IM(ans) = zero;
} else {
F_IM(ans) = sqrtf(ax);
F_RE(ans) = zero;
}
} else {
- dx = (double) ax;
- dy = (double) ay;
+ dx = (double)ax;
+ dy = (double)ay;
dt = sqrt(0.5 * (sqrt(dx * dx + dy * dy) + dx));
- t = (float) dt;
- w = (float) (dy / (dt + dt));
+ t = (float)dt;
+ w = (float)(dy / (dt + dt));
+
if (hx >= 0) {
F_RE(ans) = t;
F_IM(ans) = w;
} else {
F_IM(ans) = t;
F_RE(ans) = w;
}
}
+
if (hy < 0)
F_IM(ans) = -F_IM(ans);
+
return (ans);
}