用TIGER SHARC DSP201实现反正切函数,atan2(y,x) 高精度

High performance 32-bit/40-bit floating-point processor Code compatibility—at assembly level, uses the same instruction set as other SHARC DSPs Single-instruction multiple-data (SIMD) computational architecture— two 32-bit IEEE floating-point

the shark g21k compiler source

The sharc 21k assembler