/* * Copyright (c) 1980 Regents of the University of California. * All rights reserved. The Berkeley software License Agreement * specifies the terms and conditions for redistribution. * * @(#)r_lg10.c 5.2 07/08/85 */ #define log10e 0.43429448190325182765 float r_lg10(x) float *x; { double log(); return( log10e * log(*x) ); }