Cross Reference: /src/sys/arch/m68k/fpe/fpu

Lines Matching refs:fe
98 prepare_cordic_const(struct fpemu *fe)
109 		CPYFPN(&fe->fe_f2, &t);
110 		r = fpu_atan_taylor(fe);
118 	r = fpu_gain1_cordic(fe);
119 	CPYFPN(&fe->fe_f2, r);
120 	fpu_const(&fe->fe_f1, FPU_CONST_1);
121 	r = fpu_div(fe);
126 fpu_gain1_cordic(struct fpemu *fe)
139 	fpu_cordit1(fe, &x, &y, &z, &v);
140 	CPYFPN(&fe->fe_f2, &x);
141 	return &fe->fe_f2;
152 fpu_atan_taylor(struct fpemu *fe)
162 	if (fe->fe_f2.fp_exp == 0) {
163 		fpu_const(&fe->fe_f2, FPU_CONST_PI);
164 		fe->fe_f2.fp_exp -= 2;
165 		return &fe->fe_f2;
169 	CPYFPN(&s0, &fe->fe_f2);
172 	CPYFPN(&res, &fe->fe_f2);
175 	CPYFPN(&fe->fe_f1, &fe->fe_f2);
176 	r = fpu_mul(fe);
182 		CPYFPN(&fe->fe_f1, &s0);
183 		CPYFPN(&fe->fe_f2, &x2);
184 		s1 = fpu_mul(fe);
186 		CPYFPN(&fe->fe_f1, s1);
192 		fpu_explode(fe, &fe->fe_f2, FTYPE_LNG, &k);
193 		s1 = fpu_div(fe);
202 		CPYFPN(&fe->fe_f2, s1);
203 		CPYFPN(&fe->fe_f1, &res);
204 		r = fpu_add(fe);
210 	CPYFPN(&fe->fe_f2, &res);
211 	return &fe->fe_f2;
327 fpu_cordit1(struct fpemu *fe, struct fpn *x0, struct fpn *y0, struct fpn *z0,
347 		CPYFPN(&fe->fe_f1, &y);
348 		CPYFPN(&fe->fe_f2, vecmode);
349 		fe->fe_f2.fp_sign = !fe->fe_f2.fp_sign;
350 		r = fpu_add(fe);
360 		CPYFPN(&fe->fe_f1, &y);
361 		CPYFPN(&fe->fe_f2, &t);
362 		r = fpu_mul(fe);
368 		CPYFPN(&fe->fe_f2, r);
370 			fe->fe_f2.fp_sign = !fe->fe_f2.fp_sign;
371 		CPYFPN(&fe->fe_f1, &x);
372 		r = fpu_add(fe);
376 		CPYFPN(&fe->fe_f1, &x);
377 		CPYFPN(&fe->fe_f2, &t);
378 		r = fpu_mul(fe);
384 		CPYFPN(&fe->fe_f2, r);
386 			fe->fe_f2.fp_sign = !fe->fe_f2.fp_sign;
387 		CPYFPN(&fe->fe_f1, &y);
388 		r = fpu_add(fe);
395 		CPYFPN(&fe->fe_f1, &z);
396 		sfpn_to_fpn(&fe->fe_f2, &atan_table[i]);
398 			fe->fe_f2.fp_sign = !fe->fe_f2.fp_sign;
399 		r = fpu_add(fe);
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