Math.exp(x)    → float

Returns e**x.

Source Code

/*
*  call-seq:
*     Math.exp(x)    => float
*  
*  Returns e**x.
*/

static VALUE
math_exp(obj, x)
   VALUE obj, x;
{
   Need_Float(x);
   return rb_float_new(exp(RFLOAT(x)->value));
}