FPT

Fractional Portion

This numeric function returns the decimal fractional portion of any number, truncating the integer portion, and maintaining the sign of the original number.

Syntax

FPT (numeric-value [,ERR=line-ref|,ERC=error-code])

numeric-value

is any number.

line-ref

is the program line number or label to branch to if an error is produced by this function.

error-code

is a programmer-defined error code. Valid values are positive or negative whole numbers.

Remarks

The value returned by this function is affected by the setting of the PRECISION and FLOATING POINT directives.

Examples

FPT (13.85)

returns the value .85

FPT (-3.4)

returns the value -.4

LET Z = FPT (S)

If S = -5.23, this statement assigns Z the value -.23

FPT (X)

If X = .1234E+2, this statement returns the value .34

LET X = FPT (T)

If T = 2.456 and PRECISION is 2, this statement assigns X the value .46. If PRECISION is 3, assigns X the value .456.

See also

INT and FIX functions

From the Thoroughbred Basic Language Reference, Volume II: F–Q, version 8.9.1. Open this page in the PDF