include/tgmath.h

143

#define atan(x) __tg_full(x, atan)

lib/msun/src/catrig.c

586

return (CMPLX(x, atan(y)));

lib/msun/src/e_atan2.c

113

else z=atan(fabs(y/x)); /* safe to do y/x */

lib/msun/src/e_atan2.c

70

if(hx==0x3ff00000&&lx==0) return atan(y); /* x=1.0 */

lib/msun/src/math.h

239

double atan(double);

lib/msun/src/s_atan.c

119

__weak_reference(atan, atanl);

lib/msun/tests/invctrig_test.c

312

testall_tol(catan, z, CMPLXL(atan(nums[i]), 0), 1);

lib/msun/tests/invtrig_test.c

133

testall(atan, 0.0, 0.0, 0);

lib/msun/tests/invtrig_test.c

136

testall(atan, -0.0, -0.0, 0);

lib/msun/tests/invtrig_test.c

140

testall(atan, INFINITY, pi / 2, FE_INEXACT);

lib/msun/tests/invtrig_test.c

143

testall(atan, -INFINITY, -pi / 2, FE_INEXACT);

lib/msun/tests/invtrig_test.c

147

testall(atan, NAN, NAN, 0);

lib/msun/tests/invtrig_test.c

249

testall(atan, 1.0, pi / 4, FE_INEXACT);

lib/msun/tests/invtrig_test.c

252

testall(atan, -1.0, -pi / 4, FE_INEXACT);

lib/msun/tests/invtrig_test.c

267

testall_tol(atan, sqrtl(3), pio3, 1, FE_INEXACT);

lib/msun/tests/invtrig_test.c

270

testall_tol(atan, -sqrtl(3), -pio3, 1, FE_INEXACT);

lib/msun/tests/invtrig_test.c

272

testall_tol(atan, sqrt2m1, pi / 8, 1, FE_INEXACT);

lib/msun/tests/invtrig_test.c

273

testall_tol(atan, -sqrt2m1, -pi / 8, 1, FE_INEXACT);

lib/msun/tests/invtrig_test.c

315

testall(atan, tiny, tiny, FE_INEXACT);

lib/msun/tests/invtrig_test.c

319

testall(atan, -tiny, -tiny, FE_INEXACT);

lib/msun/tests/invtrig_test.c

348

testall(atan, huge, pi / 2, FE_INEXACT);

lib/msun/tests/invtrig_test.c

349

testall(atan, -huge, -pi / 2, FE_INEXACT);

lib/msun/tests/invtrig_test.c

433

return (tanl(atan(x)));

tools/regression/include/tgmath/tgmath.c

416

PASS_REAL_ARG_REAL_RET(atan) &&

tools/regression/include/tgmath/tgmath.c

417

PASS_COMPLEX_ARG_COMPLEX_RET(atan));

tools/regression/include/tgmath/tgmath.c

78

TGMACRO(atan)

usr.bin/calendar/sunpos.c

52

#define ATAN(x) (R2D(atan(x)))