Motorola DSP96002 User Manual
Page 668
MOTOROLA
DSP96002 USER’S MANUAL
B-149
B.3.6 Finite(x)
Finite(x) returns the value TRUE if -inf d1=Finite(d0) Program ICycles Words ftst d0 #0,d1.l ;set ccr bits 2 2 inc d1 ffinf ;set true if infinite 1 1 --- --- Totals: 3 3 B.3.7 Isnan(x) Isnan(x) returns the value TRUE if x is a NaN, and returns FALSE otherwise. This is an arithmetic function. d1=Isnan(d0) Program ICycles Words ftst d0 #0,d1.l ;set ccr bits 2 2 inc d1 ffun ;set true if NaN 1 1 --- --- Totals: 3 3 B.3.8 x<>y x<>y is TRUE only when x function. d2=d0<>d1 Program ICycles Words fcmp d0,d1 #0,d2.l ;set ccr bits 2 2 inc d2 ffgl ;set true if GL 1 1 --- --- Totals: 3 3