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Unified Diff: fusl/src/complex/csinh.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/complex/csinh.c
diff --git a/fusl/src/complex/csinh.c b/fusl/src/complex/csinh.c
index 0f8035d1ca41f3fc864881eb5ee0b9be36410347..b4176c5db8948cad451a812b8f8441c079aef4b9 100644
--- a/fusl/src/complex/csinh.c
+++ b/fusl/src/complex/csinh.c
@@ -38,104 +38,103 @@
static const double huge = 0x1p1023;
-double complex csinh(double complex z)
-{
- double x, y, h;
- int32_t hx, hy, ix, iy, lx, ly;
+double complex csinh(double complex z) {
+ double x, y, h;
+ int32_t hx, hy, ix, iy, lx, ly;
- x = creal(z);
- y = cimag(z);
+ x = creal(z);
+ y = cimag(z);
- EXTRACT_WORDS(hx, lx, x);
- EXTRACT_WORDS(hy, ly, y);
+ EXTRACT_WORDS(hx, lx, x);
+ EXTRACT_WORDS(hy, ly, y);
- ix = 0x7fffffff & hx;
- iy = 0x7fffffff & hy;
+ ix = 0x7fffffff & hx;
+ iy = 0x7fffffff & hy;
- /* Handle the nearly-non-exceptional cases where x and y are finite. */
- if (ix < 0x7ff00000 && iy < 0x7ff00000) {
- if ((iy | ly) == 0)
- return CMPLX(sinh(x), y);
- if (ix < 0x40360000) /* small x: normal case */
- return CMPLX(sinh(x) * cos(y), cosh(x) * sin(y));
+ /* Handle the nearly-non-exceptional cases where x and y are finite. */
+ if (ix < 0x7ff00000 && iy < 0x7ff00000) {
+ if ((iy | ly) == 0)
+ return CMPLX(sinh(x), y);
+ if (ix < 0x40360000) /* small x: normal case */
+ return CMPLX(sinh(x) * cos(y), cosh(x) * sin(y));
- /* |x| >= 22, so cosh(x) ~= exp(|x|) */
- if (ix < 0x40862e42) {
- /* x < 710: exp(|x|) won't overflow */
- h = exp(fabs(x)) * 0.5;
- return CMPLX(copysign(h, x) * cos(y), h * sin(y));
- } else if (ix < 0x4096bbaa) {
- /* x < 1455: scale to avoid overflow */
- z = __ldexp_cexp(CMPLX(fabs(x), y), -1);
- return CMPLX(creal(z) * copysign(1, x), cimag(z));
- } else {
- /* x >= 1455: the result always overflows */
- h = huge * x;
- return CMPLX(h * cos(y), h * h * sin(y));
- }
- }
+ /* |x| >= 22, so cosh(x) ~= exp(|x|) */
+ if (ix < 0x40862e42) {
+ /* x < 710: exp(|x|) won't overflow */
+ h = exp(fabs(x)) * 0.5;
+ return CMPLX(copysign(h, x) * cos(y), h * sin(y));
+ } else if (ix < 0x4096bbaa) {
+ /* x < 1455: scale to avoid overflow */
+ z = __ldexp_cexp(CMPLX(fabs(x), y), -1);
+ return CMPLX(creal(z) * copysign(1, x), cimag(z));
+ } else {
+ /* x >= 1455: the result always overflows */
+ h = huge * x;
+ return CMPLX(h * cos(y), h * h * sin(y));
+ }
+ }
- /*
- * sinh(+-0 +- I Inf) = sign(d(+-0, dNaN))0 + I dNaN.
- * The sign of 0 in the result is unspecified. Choice = normally
- * the same as dNaN. Raise the invalid floating-point exception.
- *
- * sinh(+-0 +- I NaN) = sign(d(+-0, NaN))0 + I d(NaN).
- * The sign of 0 in the result is unspecified. Choice = normally
- * the same as d(NaN).
- */
- if ((ix | lx) == 0 && iy >= 0x7ff00000)
- return CMPLX(copysign(0, x * (y - y)), y - y);
+ /*
+ * sinh(+-0 +- I Inf) = sign(d(+-0, dNaN))0 + I dNaN.
+ * The sign of 0 in the result is unspecified. Choice = normally
+ * the same as dNaN. Raise the invalid floating-point exception.
+ *
+ * sinh(+-0 +- I NaN) = sign(d(+-0, NaN))0 + I d(NaN).
+ * The sign of 0 in the result is unspecified. Choice = normally
+ * the same as d(NaN).
+ */
+ if ((ix | lx) == 0 && iy >= 0x7ff00000)
+ return CMPLX(copysign(0, x * (y - y)), y - y);
- /*
- * sinh(+-Inf +- I 0) = +-Inf + I +-0.
- *
- * sinh(NaN +- I 0) = d(NaN) + I +-0.
- */
- if ((iy | ly) == 0 && ix >= 0x7ff00000) {
- if (((hx & 0xfffff) | lx) == 0)
- return CMPLX(x, y);
- return CMPLX(x, copysign(0, y));
- }
+ /*
+ * sinh(+-Inf +- I 0) = +-Inf + I +-0.
+ *
+ * sinh(NaN +- I 0) = d(NaN) + I +-0.
+ */
+ if ((iy | ly) == 0 && ix >= 0x7ff00000) {
+ if (((hx & 0xfffff) | lx) == 0)
+ return CMPLX(x, y);
+ return CMPLX(x, copysign(0, y));
+ }
- /*
- * sinh(x +- I Inf) = dNaN + I dNaN.
- * Raise the invalid floating-point exception for finite nonzero x.
- *
- * sinh(x + I NaN) = d(NaN) + I d(NaN).
- * Optionally raises the invalid floating-point exception for finite
- * nonzero x. Choice = don't raise (except for signaling NaNs).
- */
- if (ix < 0x7ff00000 && iy >= 0x7ff00000)
- return CMPLX(y - y, x * (y - y));
+ /*
+ * sinh(x +- I Inf) = dNaN + I dNaN.
+ * Raise the invalid floating-point exception for finite nonzero x.
+ *
+ * sinh(x + I NaN) = d(NaN) + I d(NaN).
+ * Optionally raises the invalid floating-point exception for finite
+ * nonzero x. Choice = don't raise (except for signaling NaNs).
+ */
+ if (ix < 0x7ff00000 && iy >= 0x7ff00000)
+ return CMPLX(y - y, x * (y - y));
- /*
- * sinh(+-Inf + I NaN) = +-Inf + I d(NaN).
- * The sign of Inf in the result is unspecified. Choice = normally
- * the same as d(NaN).
- *
- * sinh(+-Inf +- I Inf) = +Inf + I dNaN.
- * The sign of Inf in the result is unspecified. Choice = always +.
- * Raise the invalid floating-point exception.
- *
- * sinh(+-Inf + I y) = +-Inf cos(y) + I Inf sin(y)
- */
- if (ix >= 0x7ff00000 && ((hx & 0xfffff) | lx) == 0) {
- if (iy >= 0x7ff00000)
- return CMPLX(x * x, x * (y - y));
- return CMPLX(x * cos(y), INFINITY * sin(y));
- }
+ /*
+ * sinh(+-Inf + I NaN) = +-Inf + I d(NaN).
+ * The sign of Inf in the result is unspecified. Choice = normally
+ * the same as d(NaN).
+ *
+ * sinh(+-Inf +- I Inf) = +Inf + I dNaN.
+ * The sign of Inf in the result is unspecified. Choice = always +.
+ * Raise the invalid floating-point exception.
+ *
+ * sinh(+-Inf + I y) = +-Inf cos(y) + I Inf sin(y)
+ */
+ if (ix >= 0x7ff00000 && ((hx & 0xfffff) | lx) == 0) {
+ if (iy >= 0x7ff00000)
+ return CMPLX(x * x, x * (y - y));
+ return CMPLX(x * cos(y), INFINITY * sin(y));
+ }
- /*
- * sinh(NaN + I NaN) = d(NaN) + I d(NaN).
- *
- * sinh(NaN +- I Inf) = d(NaN) + I d(NaN).
- * Optionally raises the invalid floating-point exception.
- * Choice = raise.
- *
- * sinh(NaN + I y) = d(NaN) + I d(NaN).
- * Optionally raises the invalid floating-point exception for finite
- * nonzero y. Choice = don't raise (except for signaling NaNs).
- */
- return CMPLX((x * x) * (y - y), (x + x) * (y - y));
+ /*
+ * sinh(NaN + I NaN) = d(NaN) + I d(NaN).
+ *
+ * sinh(NaN +- I Inf) = d(NaN) + I d(NaN).
+ * Optionally raises the invalid floating-point exception.
+ * Choice = raise.
+ *
+ * sinh(NaN + I y) = d(NaN) + I d(NaN).
+ * Optionally raises the invalid floating-point exception for finite
+ * nonzero y. Choice = don't raise (except for signaling NaNs).
+ */
+ return CMPLX((x * x) * (y - y), (x + x) * (y - y));
}

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