fix(main.c): made changes in main.c

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Author: DhruvArvindSingh

lib/node_modules/@stdlib/stats/base/dists/logistic/logcdf/src/main.c

@@ -22,6 +22,16 @@
 #include "stdlib/math/base/special/log1p.h"
 #include "stdlib/math/base/special/exp.h"
 
+double log1pexp( const double x ) {
+	if ( x <= 18.0 ) {
+		return stdlib_base_log1p( stdlib_base_exp( x ) );
+	}
+	if ( x > 33.3 ) {
+		return x;
+	}
+	// Case: 18.0 < z <= 33.3
+	return x + stdlib_base_exp( -x );
+}
 
 /**
 * Evaluates the logarithm of the cumulative distribution function (CDF) for a logistic distribution with location parameter `mu` and scale parameter `s` at a value `x`.
@@ -64,13 +74,7 @@ double stdlib_base_dists_logistic_logcdf( const double x, const double mu, const
 	if ( s == 0.0 ) {
 		return ( x < mu ) ? STDLIB_CONSTANT_FLOAT64_NINF : 0.0;
 	}
-	z = -( ( x - mu ) / s );
-	if ( z <= 18.0 ) {
-		return -stdlib_base_log1p( stdlib_base_exp(z) );
-	}
-	if ( z > 33.3 ) {
-		return -z;
-	}
-	// Case: 18.0 < z <= 33.3
-	return -( x + stdlib_base_exp( -z ) );
+	z = ( x - mu ) / s;
+	return -log1pexp( -z );
 }
+