diff options
Diffstat (limited to 'lib/msun/src/s_csinhf.c')
| -rw-r--r-- | lib/msun/src/s_csinhf.c | 31 |
1 files changed, 14 insertions, 17 deletions
diff --git a/lib/msun/src/s_csinhf.c b/lib/msun/src/s_csinhf.c index 6348272..c9d9d3c 100644 --- a/lib/msun/src/s_csinhf.c +++ b/lib/msun/src/s_csinhf.c @@ -25,7 +25,7 @@ */ /* - * Hyperbolic sine of a complex argument z. See s_csinh.c for details. + * Float version of csinh(). See s_csinh.c for details. */ #include <sys/cdefs.h> @@ -56,13 +56,13 @@ csinhf(float complex z) if (ix < 0x7f800000 && iy < 0x7f800000) { if (iy == 0) return (CMPLXF(sinhf(x), y)); - if (ix < 0x41100000) /* small x: normal case */ + if (ix < 0x41100000) /* |x| < 9: normal case */ return (CMPLXF(sinhf(x) * cosf(y), coshf(x) * sinf(y))); /* |x| >= 9, so cosh(x) ~= exp(|x|) */ if (ix < 0x42b17218) { /* x < 88.7: expf(|x|) won't overflow */ - h = expf(fabsf(x)) * 0.5f; + h = expf(fabsf(x)) * 0.5F; return (CMPLXF(copysignf(h, x) * cosf(y), h * sinf(y))); } else if (ix < 0x4340b1e7) { /* x < 192.7: scale to avoid overflow */ @@ -75,31 +75,28 @@ csinhf(float complex z) } } - if (ix == 0 && iy >= 0x7f800000) - return (CMPLXF(copysignf(0, x * (y - y)), y - y)); + if (ix == 0) /* && iy >= 0x7f800000 */ + return (CMPLXF(x, y - y)); - if (iy == 0 && ix >= 0x7f800000) { - if ((hx & 0x7fffff) == 0) - return (CMPLXF(x, y)); - return (CMPLXF(x, copysignf(0, y))); - } + if (iy == 0) /* && ix >= 0x7f800000 */ + return (CMPLXF(x + x, y)); - if (ix < 0x7f800000 && iy >= 0x7f800000) - return (CMPLXF(y - y, x * (y - y))); + if (ix < 0x7f800000) /* && iy >= 0x7f800000 */ + return (CMPLXF(y - y, y - y)); - if (ix >= 0x7f800000 && (hx & 0x7fffff) == 0) { + if (ix == 0x7f800000) { if (iy >= 0x7f800000) - return (CMPLXF(x * x, x * (y - y))); + return (CMPLXF(x, y - y)); return (CMPLXF(x * cosf(y), INFINITY * sinf(y))); } - return (CMPLXF((x * x) * (y - y), (x + x) * (y - y))); + return (CMPLXF((x + x) * (y - y), (x * x) * (y - y))); } float complex csinf(float complex z) { - z = csinhf(CMPLXF(-cimagf(z), crealf(z))); - return (CMPLXF(cimagf(z), -crealf(z))); + z = csinhf(CMPLXF(cimagf(z), crealf(z))); + return (CMPLXF(cimagf(z), crealf(z))); } |
