cdm/src/main/java/ucar/unidata/geoloc/projection/sat/MSGnavigation.java
static void tryit(double want, double x) {
    System.out.printf("x = %f %f %f %n", x, x / want, want / x);
  }
static void tryit(double want, double x) {
    System.out.printf("x = %f %f %f %n", x, x / want, want / x);
  }
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