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What is the difference between quiet NaN and signaling NaN?
...eference Manual - ARMv8, for ARMv8-A architecture profile - DDI 0487C.a A1.4.3 "Single-precision floating-point format":
fraction != 0: The value is a NaN, and is either a quiet NaN or a signaling NaN. The two types of NaN are distinguished by their most significant fraction bit, bit[22]:
bit[22]...
LINGO使用指南 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...值
@smin(x1,x2,…,xn) 返回x1，x2，…，xn中的最小值
例4.3 给定一个直角三角形，求包含该三角形的最小正方形。
解：如图所示。
求最小的正方形就相当于求如下的最优化问题：
LINGO代码如下：
model:
sets:
object/1..3/:...
【内核源码】linux UDP实现 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...
/*
* Check the flags.
*/
if (msg->msg_flags & MSG_OOB) /* Mirror BSD error message compatibility */
return -EOPNOTSUPP;
ipc.opt = NULL;
ipc.tx_flags = 0;
ipc.ttl = 0;
ipc.tos = -1;
getfrag = is_udplite ? udplite_getfrag : ip_generic_getfrag;
fl4 = &inet->cork.fl.u.ip4;
if ...