tinker9/copysign_8h_source.html

#pragma once


namespace tinker {

__device__

inline int intCopysignShift(int a, int b)

{

   int mask = (a ^ b) >> 31;

   return (mask + a) ^ mask;

}


__device__

inline int intCopysignIf(int a, int b)

{

   int ans = abs(a);

   if (b < 0) ans = -ans;

   return ans;

}


#define INT_COPYSIGN intCopysignShift

}

tinker::intCopysignIf
__device__ int intCopysignIf(int a, int b)
If b < 0, returns -abs(a), otherwise, returns abs(a).
Definition: copysign.h:18

tinker::intCopysignShift
__device__ int intCopysignShift(int a, int b)
If b < 0, returns -abs(a), otherwise, returns abs(a). Similar to the 32-bit integer version of Fortra...
Definition: copysign.h:9

tinker
Definition: testrt.h:9