2 modf() function: get signed integer and fractional parts.
11 isfinite [test $REPLACE_MODF = 1]
12 trunc [test $REPLACE_MODF = 1]
13 isinf [test $REPLACE_MODF = 1]
17 gl_CONDITIONAL([GL_COND_OBJ_MODF], [test $REPLACE_MODF = 1])
18 gl_MATH_MODULE_INDICATOR([modf])