#include "math.h"
怎么编译还出现以下提示？
d:/mounriver/mounriver_studio/toolchain/risc-v embedded gcc/bin/../lib/gcc/riscv-none-embed/8.2.0/../../../../riscv-none-embed/bin/ld.exe: D:\WCH32\TencentOS_CRV03U\obj/../User/crv_algorithm.c:561: undefined reference to `exp'
d:/mounriver/mounriver_studio/toolchain/risc-v embedded gcc/bin/../lib/gcc/riscv-none-embed/8.2.0/../../../../riscv-none-embed/bin/ld.exe: D:\WCH32\TencentOS_CRV03U\obj/../User/crv_algorithm.c:559: undefined reference to `log'
d:/mounriver/mounriver_studio/toolchain/risc-v embedded gcc/bin/../lib/gcc/riscv-none-embed/8.2.0/../../../../riscv-none-embed/bin/ld.exe: D:\WCH32\TencentOS_CRV03U\obj/../User/crv_algorithm.c:565: undefined reference to `pow'
d:/mounriver/mounriver_studio/toolchain/risc-v embedded gcc/bin/../lib/gcc/riscv-none-embed/8.2.0/../../../../riscv-none-embed/bin/ld.exe: D:\WCH32\TencentOS_CRV03U\obj/../User/crv_algorithm.c:582: undefined reference to `exp'
d:/mounriver/mounriver_studio/toolchain/risc-v embedded gcc/bin/../lib/gcc/riscv-none-embed/8.2.0/../../../../riscv-none-embed/bin/ld.exe: D:\WCH32\TencentOS_CRV03U\obj/../User/crv_algorithm.c:585: undefined reference to `exp'
这样设置就可以了。