shithub: asif

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pheaps: return newly allocated heap

--- a/asif.h

+++ b/asif.h

@@ -69,7 +69,7 @@

 void	nukequeue(Pairheap**);

 Pairheap*	popqueue(Pairheap**);

 void	decreasekey(Pairheap*, double, Pairheap**);

-void	pushqueue(double, void*, Pairheap**);

+Pairheap*	pushqueue(double, void*, Pairheap**);

 void	four1(double*, int, int);

 void	realft(double*, int, int);

@@ -80,3 +80,5 @@

 #define MIN(a,b)	((a) <= (b) ? (a) : (b))

 #define MAX(a,b)	((a) >= (b) ? (a) : (b))

+

+#define SQRT2 1.4142135623730951

--- a/pheap.c

+++ b/pheap.c

@@ -70,7 +70,7 @@

 	}

 }

-void

+Pairheap *

 pushqueue(double n, void *aux, Pairheap **queue)

 {

 	Pairheap *p;

@@ -79,4 +79,5 @@

 	p->n = n;

 	p->aux = aux;

 	*queue = mergequeue(p, *queue);

+	return p;

 }