#if !defined ISO && !defined POSIX
constant M_E
constant M_LOG2E
constant M_LOG10E
constant M_LN2
constant M_LN10
constant M_PI
constant M_PI_2
constant M_PI_4
constant M_1_PI
constant M_2_PI
constant M_2_SQRTPI
constant M_SQRT2
constant M_SQRT1_2

constant MAXFLOAT
constant HUGE_VAL
#endif

function double acos (double)
function double asin (double)
function double atan (double)
function double atan2 (double, double)
function double ceil (double)
function double cos (double)
function double cosh (double)
function double exp (double)
function double fabs (double)
function double floor (double)
function double fmod (double, double)
function double frexp (double, int*)
function double ldexp (double, int)
function double log (double)
function double log10 (double)
function double modf (double, double*)
function double pow (double, double)
function double sin (double)
function double sinh (double)
function double sqrt (double)
function double tan (double)
function double tanh (double)
function double erf (double)
function double erfc (double)
function double gamma (double)
function double hypot (double, double)
function double j0 (double)
function double j1 (double)
function double jn (int, double)
function double lgamma (double)
function double y0 (double)
function double y1 (double)
function double yn (int, double)
function int isnan (double)
function double acosh (double)
function double asinh (double)
function double atanh (double)
function double cbrt (double)
function double expm1 (double)
function int ilogb (double)
function double log1p (double)
function double logb (double)
function double nextafter (double, double)
function double remainder (double, double)
function double rint (double)
function double scalb (double, double)

# variable signgam
allow signgam

allow acosf
allow asinf
allow atanf
allow atan2f
allow ceilf
allow cosf
allow coshf
allow expf
allow fabsf
allow floorf
allow fmodf
allow frexpf
allow ldexpf
allow logf
allow log10f
allow powf
allow sinf
allow sinhf
allow sqrtf
allow tanf
allow tanhf
allow erff
allow erfcf
allow gammaf
allow hypotf
allow j0f
allow j1f
allow jnf
allow lgammaf
allow y0f
allow y1f
allow ynf
allow isnanf
allow acoshf
allow asinhf
allow atanhf
allow cbrtf
allow expm1f
allow ilogbf
allow log1pf
allow logbf
allow nextafterf
allow remainderf
allow rintf
allow scalbf

allow acosl
allow asinl
allow atanl
allow atan2l
allow ceill
allow cosl
allow coshl
allow expl
allow fabsl
allow floorl
allow fmodl
allow frexpl
allow ldexpl
allow logl
allow log10l
allow powl
allow sinl
allow sinhl
allow sqrtl
allow tanl
allow tanhl
allow erfl
allow erfcl
allow gammal
allow hypotl
allow j0l
allow j1l
allow jnl
allow lgammal
allow y0l
allow y1l
allow ynl
allow isnanl
allow acoshl
allow asinhl
allow atanhl
allow cbrtl
allow expm1l
allow ilogbl
allow log1pl
allow logbl
allow nextafterl
allow remainderl
allow rintl
allow scalbl

allow *_t