2 exp2() function: exponential base 2 function.
12 isnand [test $HAVE_EXP2 = 0 || test $REPLACE_EXP2 = 1]
13 round [test $HAVE_EXP2 = 0 || test $REPLACE_EXP2 = 1]
14 ldexp [test $HAVE_EXP2 = 0 || test $REPLACE_EXP2 = 1]
18 gl_CONDITIONAL([GL_COND_OBJ_EXP2],
19 [test $HAVE_EXP2 = 0 || test $REPLACE_EXP2 = 1])
20 gl_MATH_MODULE_INDICATOR([exp2])