发明名称 |
Program controlled rounding modes |
摘要 |
A computer system having a default floating point rounding mode that may be overridden by a rounding mode designated by an instruction. The current machine rounding mode is stored in a register, and an instruction includes a field for specifying whether rounding should be performed according to the current rounding mode or according to another rounding mode during execution thereof.
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申请公布号 |
US5696709(A) |
申请公布日期 |
1997.12.09 |
申请号 |
US19950414866 |
申请日期 |
1995.03.31 |
申请人 |
INTERNATIONAL BUSINESS MACHINES CORPORATION |
发明人 |
SMITH, SR., RONALD MORTON |
分类号 |
G06F9/302;G06F9/318;(IPC1-7):G06F7/38 |
主分类号 |
G06F9/302 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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