The `fromDecimal` and `toDecimal` functions in the `Real` structure are not implemented.

[JohnReppy]

Version

110.99.4 (Latest)

Operating System

• Any
• Linux
• macOS
• Windows
• Other Unix

OS Version

n.a.

Processor

• Any
• Arm (using Rosetta)
• PowerPC
• Sparc
• x86 (32-bit)
• x86-64 (64-bit)
• Other

System Component

Basis Library

Severity

Minor

Description

The Real.fromDecimal and Real.toDecimal functions defined by the Standard ML Basis Library are not implemented.

Transcript

- Real.toDecimal 0.1;

uncaught exception Fail [Fail: Real.toDecimal unimplemented]
  raised at: Basis/Implementation/real64.sml:236.29-236.64
- Real.fromDecimal {class=IEEEReal.NORMAL, sign=false, digits=[1,2,5], exp=0};

uncaught exception Fail [Fail: Real.fromDecimal unimplemented]
  raised at: Basis/Implementation/real64.sml:237.31-237.68

Expected Behavior

No response

Steps to Reproduce

See transcript.

Additional Information

No response

Email address

jhr@cs.uchicago.edu

[JohnReppy]

This issue was fixed for 110.99.5 as a result of the rewrite of the string/real conversion code.