本人在调用和测试快速浮点运算库rts2800_fpu32_fast_supplement.lib时根据其相应的数据手册controlSUITE_C28x_FPU_FastRTS.pdf中看到所涉及的运算符不多,如下表所示:
想不明白的是那关于正余弦运算的反正弦和反余弦怎么求解呢?毕竟在坐标反变换中总要用到吧???
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本人在调用和测试快速浮点运算库rts2800_fpu32_fast_supplement.lib时根据其相应的数据手册controlSUITE_C28x_FPU_FastRTS.pdf中看到所涉及的运算符不多,如下表所示:
想不明白的是那关于正余弦运算的反正弦和反余弦怎么求解呢?毕竟在坐标反变换中总要用到吧???
controlSUITEF里2837xS例程通过查表得到反正弦值,C:\ti\controlSUITE\device_support\F2837xS\v210\F2837xS_examples_Cpu1\cla_asin
In this example, Task 1 of the CLA will calculate the arcsine of an input argument in the range (-1.0 to 1.0) using a lookup table.