double _Complex __divdc3(double __a, double __b, double __c, double __d) { int __ilogbw = 0; double __logbw = crt_logb(crt_fmax(crt_fabs(__c), crt_fabs(__d))); if (crt_isfinite(__logbw)) { __ilogbw = (int)__logbw; __c = crt_scalbn(__c, -__ilogbw); __d = crt_scalbn(__d, -__ilogbw); } double __denom = __c * __c + __d * __d; double _Complex z; __real__ z = crt_scalbn((__a * __c + __b * __d) / __denom, -__ilogbw); __imag__ z = crt_scalbn((__b * __c - __a * __d) / __denom, -__ilogbw); if (crt_isnan(__real__ z) && crt_isnan(__imag__ z)) { if ((__denom == 0.0) && (!crt_isnan(__a) || !crt_isnan(__b))) { __real__ z = crt_copysign(CRT_INFINITY, __c) * __a; __imag__ z = crt_copysign(CRT_INFINITY, __c) * __b; } else if ((crt_isinf(__a) || crt_isinf(__b)) && crt_isfinite(__c) && crt_isfinite(__d)) { __a = crt_copysign(crt_isinf(__a) ? 1.0 : 0.0, __a); __b = crt_copysign(crt_isinf(__b) ? 1.0 : 0.0, __b); __real__ z = CRT_INFINITY * (__a * __c + __b * __d); __imag__ z = CRT_INFINITY * (__b * __c - __a * __d); } else if (crt_isinf(__logbw) && __logbw > 0.0 && crt_isfinite(__a) && crt_isfinite(__b)) { __c = crt_copysign(crt_isinf(__c) ? 1.0 : 0.0, __c); __d = crt_copysign(crt_isinf(__d) ? 1.0 : 0.0, __d); __real__ z = 0.0 * (__a * __c + __b * __d); __imag__ z = 0.0 * (__b * __c - __a * __d); } } return z; }
COMPILER_RT_ABI Dcomplex __divdc3(double __a, double __b, double __c, double __d) { int __ilogbw = 0; double __logbw = crt_logb(crt_fmax(crt_fabs(__c), crt_fabs(__d))); if (crt_isfinite(__logbw)) { __ilogbw = (int)__logbw; __c = crt_scalbn(__c, -__ilogbw); __d = crt_scalbn(__d, -__ilogbw); } double __denom = __c * __c + __d * __d; Dcomplex z; COMPLEX_REAL(z) = crt_scalbn((__a * __c + __b * __d) / __denom, -__ilogbw); COMPLEX_IMAGINARY(z) = crt_scalbn((__b * __c - __a * __d) / __denom, -__ilogbw); if (crt_isnan(COMPLEX_REAL(z)) && crt_isnan(COMPLEX_IMAGINARY(z))) { if ((__denom == 0.0) && (!crt_isnan(__a) || !crt_isnan(__b))) { COMPLEX_REAL(z) = crt_copysign(CRT_INFINITY, __c) * __a; COMPLEX_IMAGINARY(z) = crt_copysign(CRT_INFINITY, __c) * __b; } else if ((crt_isinf(__a) || crt_isinf(__b)) && crt_isfinite(__c) && crt_isfinite(__d)) { __a = crt_copysign(crt_isinf(__a) ? 1.0 : 0.0, __a); __b = crt_copysign(crt_isinf(__b) ? 1.0 : 0.0, __b); COMPLEX_REAL(z) = CRT_INFINITY * (__a * __c + __b * __d); COMPLEX_IMAGINARY(z) = CRT_INFINITY * (__b * __c - __a * __d); } else if (crt_isinf(__logbw) && __logbw > 0.0 && crt_isfinite(__a) && crt_isfinite(__b)) { __c = crt_copysign(crt_isinf(__c) ? 1.0 : 0.0, __c); __d = crt_copysign(crt_isinf(__d) ? 1.0 : 0.0, __d); COMPLEX_REAL(z) = 0.0 * (__a * __c + __b * __d); COMPLEX_IMAGINARY(z) = 0.0 * (__b * __c - __a * __d); } } return z; }
(x).s.lo = 0.0; \ } long double __gcc_qadd(long double, long double); long double __gcc_qsub(long double, long double); long double __gcc_qmul(long double, long double); long double __gcc_qdiv(long double, long double); long double _Complex __divtc3(long double a, long double b, long double c, long double d) { DD cDD = { .ld = c }; DD dDD = { .ld = d }; int ilogbw = 0; const double logbw = crt_logb(crt_fmax(crt_fabs(cDD.s.hi), crt_fabs(dDD.s.hi) )); if (crt_isfinite(logbw)) { ilogbw = (int)logbw; cDD.s.hi = crt_scalbn(cDD.s.hi, -ilogbw); cDD.s.lo = crt_scalbn(cDD.s.lo, -ilogbw); dDD.s.hi = crt_scalbn(dDD.s.hi, -ilogbw); dDD.s.lo = crt_scalbn(dDD.s.lo, -ilogbw); } const long double denom = __gcc_qadd(__gcc_qmul(cDD.ld, cDD.ld), __gcc_qmul(dDD.ld, dDD.ld)); const long double realNumerator = __gcc_qadd(__gcc_qmul(a,cDD.ld), __gcc_qmul(b,dDD.ld)); const long double imagNumerator = __gcc_qsub(__gcc_qmul(b,cDD.ld), __gcc_qmul(a,dDD.ld));