## File: example_test.go

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golang-gopkg-inf.v0 0.9.1-1
 `1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162` ``````package inf_test import ( "fmt" "log" ) import "gopkg.in/inf.v0" func ExampleDec_SetString() { d := new(inf.Dec) d.SetString("012345.67890") // decimal; leading 0 ignored; trailing 0 kept fmt.Println(d) // Output: 12345.67890 } func ExampleDec_Scan() { // The Scan function is rarely used directly; // the fmt package recognizes it as an implementation of fmt.Scanner. d := new(inf.Dec) _, err := fmt.Sscan("184467440.73709551617", d) if err != nil { log.Println("error scanning value:", err) } else { fmt.Println(d) } // Output: 184467440.73709551617 } func ExampleDec_QuoRound_scale2RoundDown() { // 10 / 3 is an infinite decimal; it has no exact Dec representation x, y := inf.NewDec(10, 0), inf.NewDec(3, 0) // use 2 digits beyond the decimal point, round towards 0 z := new(inf.Dec).QuoRound(x, y, 2, inf.RoundDown) fmt.Println(z) // Output: 3.33 } func ExampleDec_QuoRound_scale2RoundCeil() { // -42 / 400 is an finite decimal with 3 digits beyond the decimal point x, y := inf.NewDec(-42, 0), inf.NewDec(400, 0) // use 2 digits beyond decimal point, round towards positive infinity z := new(inf.Dec).QuoRound(x, y, 2, inf.RoundCeil) fmt.Println(z) // Output: -0.10 } func ExampleDec_QuoExact_ok() { // 1 / 25 is a finite decimal; it has exact Dec representation x, y := inf.NewDec(1, 0), inf.NewDec(25, 0) z := new(inf.Dec).QuoExact(x, y) fmt.Println(z) // Output: 0.04 } func ExampleDec_QuoExact_fail() { // 1 / 3 is an infinite decimal; it has no exact Dec representation x, y := inf.NewDec(1, 0), inf.NewDec(3, 0) z := new(inf.Dec).QuoExact(x, y) fmt.Println(z) // Output: } ``````