include/math.h

240

double atan(double);

include/tgmath.h

133

#define atan(a) __TG_COMPLEX((a), atan)

lib/libm/complex/catrig.c

605

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

lib/libm/noieee_src/n_atan.c

88

__weak_alias(atan, _atan)

lib/libm/noieee_src/n_atan.c

92

atan(double x)

lib/libm/src/e_atan2.c

110

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

lib/libm/src/e_atan2.c

70

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

lib/libm/src/s_atan.c

50

__weak_alias(atan, _atan)

lib/lua/libm/libm.c

111

DFUNC_DBL(atan)

tests/lib/libm/t_atan.c

61

T_LIBM_CHECK_NAN(0, atan, T_LIBM_NAN);

tests/lib/libm/t_atan.c

73

T_LIBM_CHECK(i, atan, values[i].x, values[i].y, 1.0e-15);

tests/lib/libm/t_atan.c

81

T_LIBM_CHECK_MINUS_ZERO(0, atan, -0.0);

tests/lib/libm/t_atan.c

88

T_LIBM_CHECK_PLUS_ZERO(0, atan, +0.0);

tests/lib/lua/libm/h_lualibm.c

33

TEST(atan(tan(M_SQRT2)));