p is actually a a single-letter code denoting the sort of numerical constants applied. S, D stand for genuine floating-position arithmetic respectively in one and double precision, while C and Z stand for intricate arithmetic with respectively one and double precision. It appears like you ended up misusing this https://caidendufrb.frewwebs.com/28623549/the-fact-about-lapak77-that-no-one-is-suggesting