Posted by Demoscene Passivist on May 17, 2011; 3:16pm
URL: https://forum.jogamp.org/Program-matrix-GLSL-Matrix-tp2952809p2952856.html

There is an extension for double precision floating point math in GLSL: "GL_ARB_gpu_shader_fp64". If ur GPU supports it u can use doubles on nearly all datatypes. Try if this test program works and u can give it a shot.

Other than that I would recommend using JOCL for high-precision math