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本站的教学视频都看过了?
看过三遍还是一知半解,那是教学视频做得不好;一遍都没看过,那是lz人生的重大遗憾!
言归真正:
首先,小数点后的第二位就有差别,岂能熟视无睹?
其次,硬件与编译器是否支持呢?
https://gcc.gnu.org/onlinedocs/g ... 005fFORTRAN_005fENV
REAL32, REAL64, REAL128:
Kind type parameters to specify a REAL type with a storage size of 32, 64, and 128 bits. It is negative if a target platform does not support the particular kind. (Fortran 2008 or later.)
REAL_KINDS:
Default-kind integer constant array of rank one containing the supported kind parameters of the REAL type. (Fortran 2008 or later.) |
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