其中,fp_strmo为ofstream定义的输出文件流,AbsError为用户定义的可接受的绝对误差,diff则是实际误差值。 C仿真时,cpp_math和cpp_math_sw的输出结果是一致的。但在C/RTL协同仿真时,由于cpp_math中的函数采用了HLS数学库中的可综合函数,从而引入了误差。上述Testbench可以检查到误差超过允许范围之内的输入值,并将其...
头文件cpp_math.cpp和cpp_math_sw.cpp分别如下图所示。在头文件中引入了HLS自带的数学库:hls_math.h。在定义可综合的顶层函数cpp_math时,特地使用了“hls::“,意在表明此处使用的是HLS数学库中的函数,有别于C标准库中的数学函数,这也就是cpp_math和cpp_math_sw的本质区别。这里,cpp_math_sw作为testbench...
2、HLS Stream Library:Stream是一种数据类型,Stream中的数据都是依序采样后发送,没有地址的概念,可以借助FIFO的概念来辅助理解。在C语言中对Stream类型的数据进行建模比较困难,C中一般是基于指针对数据进行存取,因此使用HLS Stream Lib对构建Stream数据类型的设计与仿真贡献较大。 3、HLS Math Library:顾名思义,可...
The Algorithmic C Math Library contains synthesizable C++ functions commonly used in Digital Signal Processing applications. The functions use the Algorithmic C data types and are meant to serve as examples on how to write parameterized models and to facilitate migrating an algorithm from using floating...
HLS Math Library Fixed-Point Math Functions Verification and Math Functions Verification Option 1: Standard Math Library and Verify Differences Verification Option 2: HLS Math Library and Validate Differences Verification Option 3: HLS Math Library File and Validate Differences ...
HLS Math Library Accuracy HLS Math Library Fixed-Point Math Functions Verification and Math Functions Verification Option 1: Standard Math Library and Verify Differences Verification Option 2: HLS Math Library and Validate Differences Verification Option 3: HLS Math Library File and Validate Differences ...
Intel® HLS Compiler版的ac_fixed_math头文件。 提供优化的FPGA的任意精度定点数学函数。 要了解更多信息,请查看以下教程: <quartus_installdir>/hls/examples/tutorials/ac_datatypes/ac_fixed_math_library. ac_complex.h头文件 句法 #include "HLS/ac_complex.h" 描述 Intel® HLS Compiler版的ac_com...
addEventListener('timeupdate', () => setTime(Math.max(0, video.currentTime - tOffset)) const seek = (t) => video.currentTime = t + tOffset; const getDuration = () => video.duration - tOffset; For more embed and API examples see docs/API.md. CORS All HLS resources must be ...
library core structurestypedefunsignedcharuchar;typedefhls::stream<ap_axiu<8,1,1,1>>AXI_STREAM;typedefhls::Mat<IMG_HEIGHT,IMG_WIDTH,HLS_8UC1>GRAY_IMAGE;typedefhls::Scalar<1,uchar>GRAY_PIXEL;// typedef HLS namespacenamespacehls{voidpixelBinary(GRAY_IMAGE&src,GRAY_IMAGE&dst);}//top level ...
ac_fixed_math_libraryDemonstrates the use of theIntel® HLS Compilerac_fixed_mathfixed point math library functions. ac_int_basic_opsDemonstrates the operators available for theac_intclass. ac_int_overflowDemonstrates the usage of theDEBUG_AC_INT_WARNINGandDEBUG_AC_INT_ERRORkeywords to ...