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Merge pull request #250 from louisrubet/#195/Correct-version-printing-2

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#195/correct version printing 2
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Louis Rubet 2022-03-01 09:49:38 +01:00 committed by GitHub
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3 changed files with 36 additions and 14 deletions
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2
CMakeLists.txt
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@ -12,7 +12,7 @@ endif()
message(STATUS "Build mode: ${CMAKE_BUILD_TYPE}")
if(EXISTS "${PROJECT_SOURCE_DIR}/.git")
execute_process(COMMAND git describe --long HEAD OUTPUT_VARIABLE "GIT_VERSION" OUTPUT_STRIP_TRAILING_WHITESPACE)
execute_process(COMMAND git describe HEAD OUTPUT_VARIABLE "GIT_VERSION" OUTPUT_STRIP_TRAILING_WHITESPACE)
add_definitions(-DGIT_VERSION="${GIT_VERSION}")
else(EXISTS ${PROJECT_SOURCE_DIR}/.git)
set(GIT_VERSION "unknown")

47
README.md
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@ -1,14 +1,16 @@
# **rpn** - **R**everse **P**olish **N**otation CLI calculator [![License: LGPLv3](https://www.gnu.org/graphics/lgplv3-88x31.png)](https://www.gnu.org/licenses/lgpl-3.0.en.html)
### A math functional language using reverse polish notation
### A math functional language using reverse (postfix) polish notation
```rpn
rpn> 1 2 + 2 sqrt
rpn> 1 2 +
3
rpn> 2 sqrt
2> 3
1> 1.4142135623730950488
1> 1.4142135623730950488016887242096980786
```
### Manipulating reals, complexes, strings, variables on a stack
### Manipulating reals, complexes, strings, symbols on a stack
```rpn
rpn> 1 2 + 2
@ -19,8 +21,15 @@ rpn> r->c sq conj (1,1) /
```
```rpn
rpn> "sqrt of 2 is " 2 sqrt ->str +
"sqrt of 2 is 1.4142135623730950488016887242096980786"
rpn> 0x1234 dec
4660
rpn> bin
0b1001000110100
```
```rpn
rpn> 4 fix "sqrt of 2 is about " 2 sqrt ->str +
"sqrt of 2 is about 1.4142"
```
```rpn
@ -31,7 +40,7 @@ rpn> (1,2) f
(-10,-6)
```
### Arbitrary precision provided by GNU MPFR
### Arbitrary precision
```rpn
rpn> 256 prec
@ -43,12 +52,26 @@ rpn>
### Variables, structured programming
```rpn
rpn> « rot * swap 2 / chs dup sq rot - sqrt » 'quad' sto
rpn> 0 1 10000 for i i sq + next
333383335000
```
```rpn
rpn> a 1 > if then a sq 'calc' eval else 'stop' eval end
```
```rpn
rpn> << dup
> 1 > if then
> dup 1 - fibo swap 2 - fibo +
> else
> 1 == 1 0 ifte
> end >>
>'fibo' sto
rpn> 12 fibo
144
```
### Available functions
```rpn
@ -85,12 +108,12 @@ A reference manual is provided [here](MANUAL.md)
## Generation
rpn is written in C++ and is dynamically linked against GNU MP and GNU MPFR.
It integrates [linenoise-ng](https://github.com/louisrubet/linenoise-ng.git) and [mpreal](http://www.holoborodko.com/pavel/mpfr/) code as git submodules.
rpn is written in C++ and is dynamically linked to GNU MP and GNU MPFR.
It integrates [linenoise-ng](https://github.com/louisrubet/linenoise-ng.git) and [mpreal](http://www.holoborodko.com/pavel/mpfr/) source code as git submodules.
It can be generated following the steps below:
## Generate and install under Ubuntu 20.04 LTS
## Generate and install under Ubuntu 20.04 LTS and superior
```shell
sudo apt install git cmake g++ libmpfr6 libmpfr-dev
@ -104,7 +127,7 @@ sudo make install
## Generate and install under Fedora 35
```shell
sudo dnf install git cmake g++ mpfrf mpfr-devel
sudo dnf install git cmake g++ mpfr mpfr-devel
git clone https://github.com/louisrubet/rpn/
mkdir -p rpn/build && cd rpn/build
cmake ..

1
test/090-program.md
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@ -95,7 +95,6 @@
## fibo
```
«dup 1 > if then dup 1 - fibo swap 2 - fibo + else 1 == if then 1 else 0 end end» 'fibo' sto
«dup 1 > if then dup 1 - fibo swap 2 - fibo + else 1 == 1 0 ifte end» 'fibo' sto
7 fibo
13 == if then 'ok!' end