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QMCPACK / miniqmc

QMCPACK miniapp: a simplified real space QMC code for algorithm development, performance portability testing, and computer science experiments
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Ensure M_PI is defined #227

Closed ye-luo closed 5 years ago

ye-luo commented 5 years ago

Most of time M_PI is defined in math.h but this is not part of the language standard. So define M_PI, if M_PI was not previously defined in included files.

ye-luo commented 5 years ago

Test this please