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Lines Matching refs:rx

169  * rx = Re(casinh(z)) = -Im(cacos(y + I*x)).
176 do_hard_work(double x, double y, double *rx, int *B_is_usable, double *B,
198 		 * rx = log1p(Am1 + sqrt(Am1*(A+1)))
205 			*rx = sqrt(x);
212 			*rx = log1p(Am1 + sqrt(Am1 * (A + 1)));
218 			*rx = x / sqrt((1 - y) * (1 + y));
223 			*rx = log1p((y - 1) + sqrt((y - 1) * (y + 1)));
226 		*rx = log(A + sqrt(A * A - 1));
300 	double x, y, ax, ay, rx, ry, B, sqrt_A2my2, new_y;
346 	do_hard_work(ax, ay, &rx, &B_is_usable, &B, &sqrt_A2my2, &new_y);
351 	return (CMPLX(copysign(rx, x), copysign(ry, y)));
381 	double x, y, ax, ay, rx, ry, B, sqrt_A2mx2, new_x;
414 		rx = fabs(cimag(w));
418 		return (CMPLX(rx, ry));
434 			rx = acos(B);
436 			rx = acos(-B);
439 			rx = atan2(sqrt_A2mx2, new_x);
441 			rx = atan2(sqrt_A2mx2, -new_x);
445 	return (CMPLX(rx, ry));
456 	double rx, ry;
459 	rx = creal(w);
462 	if (isnan(rx) && isnan(ry))
463 		return (CMPLX(ry, rx));
466 	if (isnan(rx))
467 		return (CMPLX(fabs(ry), rx));
471 	return (CMPLX(fabs(ry), copysign(rx, cimag(z))));
592 	double x, y, ax, ay, rx, ry;
638 		rx = (m_ln2 - log(ay)) / 2;
640 		rx = log1p(4 * ax / sum_squares(ax - 1, ay)) / 4;
649 	return (CMPLX(copysign(rx, x), copysign(ry, y)));