?? quadvl.c
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#define NRANSI#include "nrutil.h"void quadvl(float x, float y, float *fa, float *fb, float *fc, float *fd){ float qa,qb,qc,qd; qa=FMIN(2.0,FMAX(0.0,1.0-x)); qb=FMIN(2.0,FMAX(0.0,1.0-y)); qc=FMIN(2.0,FMAX(0.0,x+1.0)); qd=FMIN(2.0,FMAX(0.0,y+1.0)); *fa=0.25*qa*qb; *fb=0.25*qb*qc; *fc=0.25*qc*qd; *fd=0.25*qd*qa;}#undef NRANSI?? 快捷鍵說明
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