
CONTENTS vii
A6 OxGauss Language Reference 128
A6.1 Lexicalconventions......................... 128
A6.1.1 Tokens........................... 128
A6.1.2 Comment ......................... 128
A6.1.3 Space ........................... 128
A6.2 Identifiers.............................. 128
A6.2.1 Keywords......................... 129
A6.3 Constants.............................. 129
A6.3.1 Integerconstants ..................... 129
A6.3.2 Character constants
∗
................... 129
A6.3.3 Double constants . .................... 129
A6.3.4 Matrixconstants...................... 130
A6.3.5 Stringconstants...................... 130
A6.3.6 Constantexpression.................... 131
A6.4 Objects ............................... 131
A6.4.1 Types ........................... 131
A6.4.1.1Typeconversion ................ 132
A6.4.2 Lvalue........................... 132
A6.5 OxGaussProgram ......................... 132
A6.6 Externaldeclarations........................ 132
A6.6.1 Externalstatement .................... 133
A6.6.2 Declarestatement..................... 133
A6.6.3 Function(procedure,fn,keyword)definitions ...... 134
A6.6.4 external-statement-list................... 136
A6.7 Statements ............................. 136
A6.7.1 Assignmentstatements .................. 137
A6.7.2 Selectionstatements.................... 137
A6.7.3 Iterationstatements.................... 137
A6.7.4 Callstatements ...................... 138
A6.7.5 Jumpandpopstatements................. 138
A6.7.6 Commandstatements................... 139
A6.7.6.1 print and format command ......... 139
A6.7.6.2 output command ............... 139
A6.8 Expressions............................. 140
A6.8.1 Primaryexpressions.................... 141
A6.8.2 Postfixexpressions .................... 143
A6.8.2.1Indexingvectorandarraytypes ........ 143
A6.8.2.2Transpose.................... 144
A6.8.2.3Factorial .................... 144
A6.8.3 Powerexpressions..................... 144
A6.8.4 Unaryexpressions..................... 144
A6.8.5 Multiplicative expressions ................ 145
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