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/system/core/libcutils/
H A Dtzfile.h164 #define isleap(y) (((y) % 4) == 0 && (((y) % 100) != 0 || ((y) % 400) == 0)) macro
167 ** Since everything in isleap is modulo 400 (or a factor of 400), we know that
168 ** isleap(y) == isleap(y % 400)
170 ** isleap(a + b) == isleap((a + b) % 400)
172 ** isleap(a + b) == isleap(a % 400 + b % 400)
178 #define isleap_sum(a, b) isleap((a) % 400 + (b) % 400)

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