xref: /illumos-gate/usr/src/lib/libm/common/Q/gammal.c (revision ddc0e0b53c661f6e439e3b7072b3ef353eadb4af)
125c28e83SPiotr Jasiukajtis /*
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2125c28e83SPiotr Jasiukajtis 
2225c28e83SPiotr Jasiukajtis /*
2325c28e83SPiotr Jasiukajtis  * Copyright 2011 Nexenta Systems, Inc.  All rights reserved.
2425c28e83SPiotr Jasiukajtis  */
2525c28e83SPiotr Jasiukajtis /*
2625c28e83SPiotr Jasiukajtis  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
2725c28e83SPiotr Jasiukajtis  * Use is subject to license terms.
2825c28e83SPiotr Jasiukajtis  */
2925c28e83SPiotr Jasiukajtis 
30*ddc0e0b5SRichard Lowe #pragma weak __gammal = gammal
3125c28e83SPiotr Jasiukajtis 
3225c28e83SPiotr Jasiukajtis /*
3325c28e83SPiotr Jasiukajtis  * long double gammal(long double x);
3425c28e83SPiotr Jasiukajtis  */
3525c28e83SPiotr Jasiukajtis 
3625c28e83SPiotr Jasiukajtis #include "libm.h"
3725c28e83SPiotr Jasiukajtis #include "longdouble.h"
3825c28e83SPiotr Jasiukajtis 
3925c28e83SPiotr Jasiukajtis extern int signgam;
4025c28e83SPiotr Jasiukajtis extern int signgaml;
4125c28e83SPiotr Jasiukajtis 
4225c28e83SPiotr Jasiukajtis long double
gammal(long double x)4325c28e83SPiotr Jasiukajtis gammal(long double x) {
4425c28e83SPiotr Jasiukajtis 	long double y = __k_lgammal(x, &signgaml);
4525c28e83SPiotr Jasiukajtis 
4625c28e83SPiotr Jasiukajtis 	signgam = signgaml;	/* SUSv3 requires the setting of signgam */
4725c28e83SPiotr Jasiukajtis 	return (y);
4825c28e83SPiotr Jasiukajtis }
49