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zouji1983

½ð³æ (ÕýʽдÊÖ)

[ÇóÖú] fortran floorº¯ÊýÇóÖú

function dmudx(iu,iv,ip,ix,iy)
  integer :: iu, iv, ip, ix, iy, i, j
  real(8) :: dmudx
  real(8) :: thermo_dx=0.001
  i = floor(xp(1,ip,ix,iy)/thermo_dx+0.5d0)+1
  j = floor(xp(2,ip,ix,iy)/thermo_dx+0.5d0)+1
Remark: real(8):: xp=(1:2,1:2,0:201,0:201)
ÔËÐгÌÐòµÄʱºò×ÜÊdzöÏÖ£ºappears'run-time error M6201:MATH- floor: DOMAIN error'

Çë½Ì¸ßÊÖ°ïæָµã°¡£¬ÎÒ²ËÄñÒ»¸ö£¬±È½Ï׿±£¬Ð»Ð»£¡

[ Last edited by jjdg on 2012-8-25 at 00:29 ]
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jjdg

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xzhdty: ½ð±Ò+1, ллjjdg°æÖ÷ 2012-08-26 21:14:46
An argument to the given function was outside the domain of legal input values for that function. For example, the following statements generate this error:
result = sqrt(-1.0) // C statement
result = SQRT(-1.0) ! FORTRAN statement

In your case, the 'function' is 'exp'. I do not know what the acceptable 'domain' is for the IA32 Fortran function 'exp', but in MS Visual Basic,  If the value of number in exp(number) exceeds 709.782712893, an error occurs.
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http://software.intel.com/en-us/forums/showthread.php?t=59099
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