| 术语 | arithmetic IF statement |
| 释义 | arithmetic IF statement 算术IF语句;［算术IF叙述］ In Fortran, a statement, the form of which is :IF(e)S1, S2, S3. Where: e is an integer, real, or double precision expression; S1,S2 and S3 are each the statement label of an executable statement,appearing in the same program unit as the arithmetic IF statement. Execution of an arithmetic IF statement causes evaluation of the expression e followed by a transfer of control. The statement identified by S1, S2, or S3 is executed next according as the value of e is less than zero, equal to zero, or greater than zero,respectively. Fortran语言的一种语句,它的形式是:IF (e) S1,S2,S3 ，其中,e是整、实或双精度表 达式,S1,S2和S3都是一个与该算术IF语句在同一程序单元的可执行语句的标号。算术IF语 句的执行结果是对表达式e求值,然后控制转移,根据e的值小于零、等于零或大于零而分别 执行S1,S2或S3为标号的语句。 |
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