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bug#37235: 26.1; Precedence error in calc-eval
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From: |
Noam Postavsky |
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Subject: |
bug#37235: 26.1; Precedence error in calc-eval |
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Date: |
Fri, 30 Aug 2019 11:26:57 -0400 |
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User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/26.1.92 (windows-nt) |
Mauro Aranda <maurooaranda@gmail.com> writes:
>>
>> The precedence of calc-eval doesn't follow C-like rules.
>>
>> (calc-eval "1/2*3") returns "0.166666666667"
>>
>> returning the same answer as (calc-eval "1/2/3"). It should return
>> "1.5".
>>
>
> It works as documented in the Calc manual, section 5.15 Formulas:
> C-h i m calc RET 5 m formulas RET
>
> Calc gives '/' lower precedence than '*' by default.
Also see (info "(calc) Basic Arithmetic"),
> To make Calc follow C-like rules, you can set it with the command
> calc-c-language. You can read its documentation with:
> C-h i m calc RET i calc-c-language
which mentions calc-multiplication-has-precedence.