From 500caaeda74dd9c660279036293f4b2997cf0b03 Mon Sep 17 00:00:00 2001 From: Dimitri Sokolyuk Date: Sat, 9 Sep 2017 09:42:37 +0200 Subject: Add vendor --- .../github.com/llgcode/ps/operators_relational.go | 40 ++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 vendor/github.com/llgcode/ps/operators_relational.go (limited to 'vendor/github.com/llgcode/ps/operators_relational.go') diff --git a/vendor/github.com/llgcode/ps/operators_relational.go b/vendor/github.com/llgcode/ps/operators_relational.go new file mode 100644 index 0000000..e554283 --- /dev/null +++ b/vendor/github.com/llgcode/ps/operators_relational.go @@ -0,0 +1,40 @@ +// Copyright 2010 The postscript-go Authors. All rights reserved. +// created: 13/12/2010 by Laurent Le Goff + +package ps + +func eq(interpreter *Interpreter) { + value1 := interpreter.Pop() + value2 := interpreter.Pop() + interpreter.Push(value1 == value2) +} + +func ne(interpreter *Interpreter) { + value1 := interpreter.Pop() + value2 := interpreter.Pop() + interpreter.Push(value1 != value2) +} + +func not(interpreter *Interpreter) { + b := interpreter.PopBoolean() + interpreter.Push(!b) +} + +func lt(interpreter *Interpreter) { + f2 := interpreter.PopFloat() + f1 := interpreter.PopFloat() + interpreter.Push(f1 < f2) +} +func gt(interpreter *Interpreter) { + f2 := interpreter.PopFloat() + f1 := interpreter.PopFloat() + interpreter.Push(f1 > f2) +} + +func initRelationalOperators(interpreter *Interpreter) { + interpreter.SystemDefine("eq", NewOperator(eq)) + interpreter.SystemDefine("ne", NewOperator(ne)) + interpreter.SystemDefine("not", NewOperator(not)) + interpreter.SystemDefine("lt", NewOperator(lt)) + interpreter.SystemDefine("gt", NewOperator(gt)) +} -- cgit v1.2.3