function Int (x: Real): Real;
Int returns the integer part of a floating point number as a floating point number. Use Trunc to get the integer part as an integer.
Int is a UCSD Pascal extension.
program IntDemo; begin WriteLn (Frac (12.345) : 1 : 5); { 0.34500 } WriteLn (Int (12.345) : 1 : 5); { 12.00000 } WriteLn (Round (12.345) : 1); { 12 } WriteLn (Trunc (12.345) : 1); { 12 } WriteLn (Frac (-12.345) : 1 : 5); { -0.34500 } WriteLn (Int (-12.345) : 1 : 5); { -12.00000 } WriteLn (Round (-12.345) : 1); { -12 } WriteLn (Trunc (-12.345) : 1); { -12 } WriteLn (Frac (12.543) : 1 : 5); { 0.54300 } WriteLn (Int (12.543) : 1 : 5); { 12.00000 } WriteLn (Round (12.543) : 1); { 13 } WriteLn (Trunc (12.543) : 1); { 12 } WriteLn (Frac (-12.543) : 1 : 5); { -0.54300 } WriteLn (Int (-12.543) : 1 : 5); { -12.00000 } WriteLn (Round (-12.543) : 1); { -13 } WriteLn (Trunc (-12.543) : 1); { -12 } end.
Real Types, Real, Frac, Round, Trunc.