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bsd_source/lib/libc/src_bsd/math/e_acos.c - 3.9KB - 113 lines

87:             q = one+z*(qS1+z*(qS2+z*(qS3+z*qS4)));
88:             s = sqrt(z);
89:             r = p/q;
93:             z = (one-x)*0.5;
94:             s = sqrt(z);
95:             df = s;