gcc « float « C Data Type Q&A

1. How do I turn off erroneous float/long error messages from gcc    stackoverflow.com

I recently was making a change to to our codebase from float to long for some variables, and discovered that there were no error messages generated by the compiler in areas ...

2. Compile time float packing/punning    stackoverflow.com

I'm writing C for the PIC32MX, compiled with Microchip's PIC32 C compiler (based on GCC 3.4). Added The standard I'm following is GNU99 (C99 with GNU extensions, compiler flag -std=gnu99) My problem is ...

3. What's the point of float_t and when should it be used?    stackoverflow.com

I'm working with a client who is using an old version of GCC (3.2.3 to be precise) but wants to upgrade and one reason that's been given as stumbling block to ...

4. Bug in my floating point code, or gcc?    stackoverflow.com

The following code works as expected for me under 64-bits, but fails under 32-bit at -O2 and -O3, the expected output is 1.1, under the bugged systems it prints 1.0. ...

5. Enabling strict floating point mode in GCC    stackoverflow.com

I haven't yet created a program to see whether GCC will need it passed, When I do I'd like to know how I'd go about enabling strict floating point mode which ...

6. Floating point anomaly when an unused statement is not commented out?    stackoverflow.com

When the program as shown below is run, it produces ok output:

 j=         0    9007199616606190.000000 = x
 k=   ...