import os
import sys
from check import *
def checkLapack(conf,scalar,precision):
functions = ['laev2','gehrd','lanhs','lange','getri','hseqr','trexc','trevc','steqr','geevx','ggevx']
if scalar == 'real':
functions += ['orghr','syevr','sygvd']
if precision == 'double':
prefix = 'd'
else:
prefix = 's'
else:
functions += ['unghr','heevr','hegvd']
if precision == 'double':
prefix = 'z'
else:
prefix = 'c'
missing = []
conf.write('SLEPC_MISSING_LAPACK =')
for i in functions:
f = '#if defined(PETSC_HAVE_FORTRAN_UNDERSCORE) || defined(PETSC_BLASLAPACK_UNDERSCORE)\n'
f += prefix + i + '_\n'
f += '#elif defined(PETSC_HAVE_FORTRAN_CAPS)\n'
f += prefix.upper() + i.upper() + '\n'
f += '#else\n'
f += prefix + i + '\n'
f += '#endif\n'
if not checkLink([f],[],[]):
missing.append(prefix + i)
conf.write(' -DSLEPC_MISSING_LAPACK_' + i.upper())
conf.write('\n')
return missing