log Function (ROM Call 0x100*)

math.h, timath.h

float log (float x);

Floating point natural logarithm (base e).

log returns the natural logarithm of floating point argument x.

Note: log will return NEGATIVE_INF if the argument is zero, or NAN if the argument is negative.


Uses: ER_throwVar, _bcd_math
Used by: cln, did_push_anti_deriv, push_1st_derivative, push_cosh, push_csolve, push_czeros, push_def_int, push_desolve, push_exp, push_lim, push_ln, push_max, push_min, push_nsolve, push_randnorm, push_sinh, push_solve, push_zeros, push_equals, push_greater_than, push_greater_than_or_equals, push_less_than, push_less_than_or_equals, push_not_equals, get_ub