Stephen Canon questions

Stephen Canon answers

• Is the double 0.0 always represented exactly in portable C?
• How does 32bit applications run on 64bit Mac?
• Which way has better accuracy to compute the matrix matrix vector product, A B u?
• Using strncpy() to copy const char *
• x86: latency and throughput of transcendental functions
• Add the upper and lower 64-bits of a 128-bit xmm register
• accuracy of sqrt of integers
• Is this a gcc optimization bug? [closed]
• LAPACK routine for SVD of product of two matrices
• Multiple Pointer Test in If Statement