push_minus_half Function (ROM Call 0x4F0)

AMS 2.00 or higher estack.h

void push_minus_half (void);

Pushes a tagged fraction -1/2 or a tagged float -0.5, depending on the mode setting.

If the mode setting is APPROX, the tagged float -0.5 is pushed onto the EStack. Else, the tagged fraction -1/2 is pushed by calling push_minus_recip_of_quantum(2);


Uses: push_minus_recip_of_quantum, push_Float
Used by: did_push_anti_deriv


See also: push0, push1, push_minus1, push_half, push_minus_recip_of_quantum