Linux (ubuntu) undefinedreferenceto 'sin' Solution

Linux (ubuntu) undefinedreferenceto 'sin Problem Solving-Linux general technology-Linux programming and kernel information, the following is a detailed description. This problem occurs during program compilation today:

Whetstone. c :(. text + 0x56c): undefined reference to 'sin'
Whetstone. c :(. text + 0x585): undefined reference to 'cos'
Whetstone. c :(. text + 0x5cf): undefined reference to 'ata'

Check that the header file math. h already contains math. h. Although the program already contains math. h, you must link it to the math library and add the-lm compilation option as follows:

Change gcc whetstone. c-o whetstone to gcc whetstone. c-lm-o whetstone.