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can I generate a random integer/float value between -1 to 1 or 0 to 1 in Keil Microvision 5. Initially, I used rand() function, but later I found that it is generating random values between 0 to 32767. Can I put some thresholds on the upper limit and lower limit?
This has nothing specifically to do with Keil.
"I used rand() function, but later I found ..."
When using library functions, it is always important to ensure that you know what they do before you use them.
Don't guess - look it up.
eg: www.cplusplus.com/.../
The Standard library functions - like rand() - should be covered in your 'C' textbook
Here are some 'C' learning & reference resources, including a free online textbook: blog.antronics.co.uk/.../