From 8c8d2f518968ce7057eec6aa5cd5aec8faab861a Mon Sep 17 00:00:00 2001 From: jofret Date: Tue, 28 Apr 2009 07:17:00 +0000 Subject: Moving lapack to right place --- src/lib/lapack/ieeeck.f | 147 ------------------------------------------------ 1 file changed, 147 deletions(-) delete mode 100644 src/lib/lapack/ieeeck.f (limited to 'src/lib/lapack/ieeeck.f') diff --git a/src/lib/lapack/ieeeck.f b/src/lib/lapack/ieeeck.f deleted file mode 100644 index ac4aff85..00000000 --- a/src/lib/lapack/ieeeck.f +++ /dev/null @@ -1,147 +0,0 @@ - INTEGER FUNCTION IEEECK( ISPEC, ZERO, ONE ) -* -* -- LAPACK auxiliary routine (version 3.1) -- -* Univ. of Tennessee, Univ. of California Berkeley and NAG Ltd.. -* November 2006 -* -* .. Scalar Arguments .. - INTEGER ISPEC - REAL ONE, ZERO -* .. -* -* Purpose -* ======= -* -* IEEECK is called from the ILAENV to verify that Infinity and -* possibly NaN arithmetic is safe (i.e. will not trap). -* -* Arguments -* ========= -* -* ISPEC (input) INTEGER -* Specifies whether to test just for inifinity arithmetic -* or whether to test for infinity and NaN arithmetic. -* = 0: Verify infinity arithmetic only. -* = 1: Verify infinity and NaN arithmetic. -* -* ZERO (input) REAL -* Must contain the value 0.0 -* This is passed to prevent the compiler from optimizing -* away this code. -* -* ONE (input) REAL -* Must contain the value 1.0 -* This is passed to prevent the compiler from optimizing -* away this code. -* -* RETURN VALUE: INTEGER -* = 0: Arithmetic failed to produce the correct answers -* = 1: Arithmetic produced the correct answers -* -* .. Local Scalars .. - REAL NAN1, NAN2, NAN3, NAN4, NAN5, NAN6, NEGINF, - $ NEGZRO, NEWZRO, POSINF -* .. -* .. Executable Statements .. - IEEECK = 1 -* - POSINF = ONE / ZERO - IF( POSINF.LE.ONE ) THEN - IEEECK = 0 - RETURN - END IF -* - NEGINF = -ONE / ZERO - IF( NEGINF.GE.ZERO ) THEN - IEEECK = 0 - RETURN - END IF -* - NEGZRO = ONE / ( NEGINF+ONE ) - IF( NEGZRO.NE.ZERO ) THEN - IEEECK = 0 - RETURN - END IF -* - NEGINF = ONE / NEGZRO - IF( NEGINF.GE.ZERO ) THEN - IEEECK = 0 - RETURN - END IF -* - NEWZRO = NEGZRO + ZERO - IF( NEWZRO.NE.ZERO ) THEN - IEEECK = 0 - RETURN - END IF -* - POSINF = ONE / NEWZRO - IF( POSINF.LE.ONE ) THEN - IEEECK = 0 - RETURN - END IF -* - NEGINF = NEGINF*POSINF - IF( NEGINF.GE.ZERO ) THEN - IEEECK = 0 - RETURN - END IF -* - POSINF = POSINF*POSINF - IF( POSINF.LE.ONE ) THEN - IEEECK = 0 - RETURN - END IF -* -* -* -* -* Return if we were only asked to check infinity arithmetic -* - IF( ISPEC.EQ.0 ) - $ RETURN -* - NAN1 = POSINF + NEGINF -* - NAN2 = POSINF / NEGINF -* - NAN3 = POSINF / POSINF -* - NAN4 = POSINF*ZERO -* - NAN5 = NEGINF*NEGZRO -* - NAN6 = NAN5*0.0 -* - IF( NAN1.EQ.NAN1 ) THEN - IEEECK = 0 - RETURN - END IF -* - IF( NAN2.EQ.NAN2 ) THEN - IEEECK = 0 - RETURN - END IF -* - IF( NAN3.EQ.NAN3 ) THEN - IEEECK = 0 - RETURN - END IF -* - IF( NAN4.EQ.NAN4 ) THEN - IEEECK = 0 - RETURN - END IF -* - IF( NAN5.EQ.NAN5 ) THEN - IEEECK = 0 - RETURN - END IF -* - IF( NAN6.EQ.NAN6 ) THEN - IEEECK = 0 - RETURN - END IF -* - RETURN - END -- cgit