diff options
author | jtb <jtb> | 2001-01-20 21:25:31 +0000 |
---|---|---|
committer | jtb <jtb> | 2001-01-20 21:25:31 +0000 |
commit | 304ff0b6129ea8b52cbd175458102bb1eb220796 (patch) | |
tree | 377c8cfc15398850eca5f2ab6e76ddb527cfe739 /math | |
parent | 1bbaca07fcbe93fd116c4ebd08fbad309609c129 (diff) | |
download | pkgsrc-304ff0b6129ea8b52cbd175458102bb1eb220796.tar.gz |
Added machine parameter files from the BLAS. Use different optimization
based on compiler, and add "-lg2c -lm" to link if using g77, "-lm" otherwise.
Diffstat (limited to 'math')
-rw-r--r-- | math/slatec/Makefile | 8 | ||||
-rw-r--r-- | math/slatec/files/Makefile | 35 | ||||
-rw-r--r-- | math/slatec/files/d1mach.f | 209 | ||||
-rw-r--r-- | math/slatec/files/i1mach.f | 291 | ||||
-rw-r--r-- | math/slatec/files/r1mach.f | 222 |
5 files changed, 750 insertions, 15 deletions
diff --git a/math/slatec/Makefile b/math/slatec/Makefile index 17dbb8ae232..0f659535d63 100644 --- a/math/slatec/Makefile +++ b/math/slatec/Makefile @@ -1,4 +1,4 @@ -# $NetBSD: Makefile,v 1.2 2000/12/06 23:02:52 jtb Exp $ +# $NetBSD: Makefile,v 1.3 2001/01/20 21:25:31 jtb Exp $ DISTNAME= slatec_src PKGNAME= slatec-4.1 @@ -17,8 +17,8 @@ WRKSRC= ${WRKDIR}/src USE_LIBTOOL= YES UES_FORTRAN= YES -pre-build: - @${SED} -e 's:%%FORTRAN%%:'${FC}':g' \ - < ${FILESDIR}/Makefile > ${WRKSRC}/Makefile +post-extract: + ${CP} ${FILESDIR}/d1mach.f ${FILESDIR}/i1mach.f ${FILESDIR}/r1mach.f \ + ${FILESDIR}/Makefile ${WRKSRC} .include "../../mk/bsd.pkg.mk" diff --git a/math/slatec/files/Makefile b/math/slatec/files/Makefile index ce762f95dcc..e742aa78f14 100644 --- a/math/slatec/files/Makefile +++ b/math/slatec/files/Makefile @@ -1,11 +1,15 @@ LIB = slatec - LIBDIR = ${PREFIX}/lib -FORTRAN = %%FORTRAN%% -FFLAGS = -O3 +.if $(FC)=="f77" || $(FC)=="g77" +FOPTS=-funroll-all-loops -O3 +FLIBS=-lg2c -lm +.else +FOPTS=-O2 +FLIBS=-lm +.endif -all: lib$(LIB) +all: lib$(LIB).la OBJ= aaaaaa.o acosh.o ai.o aie.o albeta.o algams.o ali.o alngam.o alnrel.o \ asinh.o asyik.o asyjy.o atanh.o avint.o bakvec.o balanc.o \ @@ -185,15 +189,24 @@ zbuni.o zbunk.o zdiv.o zexp.o zkscl.o zlog.o zmlri.o zmlt.o zrati.o \ zs1s2.o zseri.o zshch.o zsqrt.o zuchk.o zunhj.o zuni1.o zuni2.o \ zunik.o zunk1.o zunk2.o zuoik.o zwrsk.o -lib$(LIB): $(OBJ) - @$(LIBTOOL) --mode=link $(FORTRAN) -O -o lib$(LIB).la $(OBJ:.o=.lo) \ - --version-info 0:0 -rpath $(LIBDIR) +lib$(LIB).la: $(OBJ) + $(LIBTOOL) --mode=link $(FC) $(FFLAGS) $(FOPTS) -o $@ $(OBJ:.o=.lo) \ + $(LDFLAGS) $(FLIBS) --version-info 0:0 -rpath $(LIBDIR) + +d1mach.o: + $(LIBTOOL) --mode=compile $(FC) -c $< + +i1mach.o: + $(LIBTOOL) --mode=compile $(FC) -c $< + +r1mach.o: + $(LIBTOOL) --mode=compile $(FC) -c $< .f.o: - @$(LIBTOOL) --mode=compile $(FORTRAN) $(FFLAGS) -c $*.f + $(LIBTOOL) --mode=compile $(FC) $(FFLAGS) $(FOPTS) -c $< -install: - @$(LIBTOOL) --mode=install install lib$(LIB).la $(LIBDIR) +install: lib$(LIB).la + $(LIBTOOL) --mode=install $(BSD_INSTALL_DATA) $? $(LIBDIR) clean: - rm -rf *.o *.lo .libs lib$(LIB).la + rm -rf $(OBJ) $(OBJ:.o=.lo) .libs lib$(LIB).la diff --git a/math/slatec/files/d1mach.f b/math/slatec/files/d1mach.f new file mode 100644 index 00000000000..232582a7363 --- /dev/null +++ b/math/slatec/files/d1mach.f @@ -0,0 +1,209 @@ + DOUBLE PRECISION FUNCTION D1MACH(I) + INTEGER I +C +C DOUBLE-PRECISION MACHINE CONSTANTS +C D1MACH( 1) = B**(EMIN-1), THE SMALLEST POSITIVE MAGNITUDE. +C D1MACH( 2) = B**EMAX*(1 - B**(-T)), THE LARGEST MAGNITUDE. +C D1MACH( 3) = B**(-T), THE SMALLEST RELATIVE SPACING. +C D1MACH( 4) = B**(1-T), THE LARGEST RELATIVE SPACING. +C D1MACH( 5) = LOG10(B) +C + INTEGER SMALL(2) + INTEGER LARGE(2) + INTEGER RIGHT(2) + INTEGER DIVER(2) + INTEGER LOG10(2) + INTEGER SC, CRAY1(38), J + COMMON /D9MACH/ CRAY1 + SAVE SMALL, LARGE, RIGHT, DIVER, LOG10, SC + DOUBLE PRECISION DMACH(5) + EQUIVALENCE (DMACH(1),SMALL(1)) + EQUIVALENCE (DMACH(2),LARGE(1)) + EQUIVALENCE (DMACH(3),RIGHT(1)) + EQUIVALENCE (DMACH(4),DIVER(1)) + EQUIVALENCE (DMACH(5),LOG10(1)) +C THIS VERSION ADAPTS AUTOMATICALLY TO MOST CURRENT MACHINES. +C R1MACH CAN HANDLE AUTO-DOUBLE COMPILING, BUT THIS VERSION OF +C D1MACH DOES NOT, BECAUSE WE DO NOT HAVE QUAD CONSTANTS FOR +C MANY MACHINES YET. +C TO COMPILE ON OLDER MACHINES, ADD A C IN COLUMN 1 +C ON THE NEXT LINE + DATA SC/0/ +C AND REMOVE THE C FROM COLUMN 1 IN ONE OF THE SECTIONS BELOW. +C CONSTANTS FOR EVEN OLDER MACHINES CAN BE OBTAINED BY +C mail netlib@research.bell-labs.com +C send old1mach from blas +C PLEASE SEND CORRECTIONS TO dmg OR ehg@bell-labs.com. +C +C MACHINE CONSTANTS FOR THE HONEYWELL DPS 8/70 SERIES. +C DATA SMALL(1),SMALL(2) / O402400000000, O000000000000 / +C DATA LARGE(1),LARGE(2) / O376777777777, O777777777777 / +C DATA RIGHT(1),RIGHT(2) / O604400000000, O000000000000 / +C DATA DIVER(1),DIVER(2) / O606400000000, O000000000000 / +C DATA LOG10(1),LOG10(2) / O776464202324, O117571775714 /, SC/987/ +C +C MACHINE CONSTANTS FOR PDP-11 FORTRANS SUPPORTING +C 32-BIT INTEGERS. +C DATA SMALL(1),SMALL(2) / 8388608, 0 / +C DATA LARGE(1),LARGE(2) / 2147483647, -1 / +C DATA RIGHT(1),RIGHT(2) / 612368384, 0 / +C DATA DIVER(1),DIVER(2) / 620756992, 0 / +C DATA LOG10(1),LOG10(2) / 1067065498, -2063872008 /, SC/987/ +C +C MACHINE CONSTANTS FOR THE UNIVAC 1100 SERIES. +C DATA SMALL(1),SMALL(2) / O000040000000, O000000000000 / +C DATA LARGE(1),LARGE(2) / O377777777777, O777777777777 / +C DATA RIGHT(1),RIGHT(2) / O170540000000, O000000000000 / +C DATA DIVER(1),DIVER(2) / O170640000000, O000000000000 / +C DATA LOG10(1),LOG10(2) / O177746420232, O411757177572 /, SC/987/ +C +C ON FIRST CALL, IF NO DATA UNCOMMENTED, TEST MACHINE TYPES. + IF (SC .NE. 987) THEN + DMACH(1) = 1.D13 + IF ( SMALL(1) .EQ. 1117925532 + * .AND. SMALL(2) .EQ. -448790528) THEN +* *** IEEE BIG ENDIAN *** + SMALL(1) = 1048576 + SMALL(2) = 0 + LARGE(1) = 2146435071 + LARGE(2) = -1 + RIGHT(1) = 1017118720 + RIGHT(2) = 0 + DIVER(1) = 1018167296 + DIVER(2) = 0 + LOG10(1) = 1070810131 + LOG10(2) = 1352628735 + ELSE IF ( SMALL(2) .EQ. 1117925532 + * .AND. SMALL(1) .EQ. -448790528) THEN +* *** IEEE LITTLE ENDIAN *** + SMALL(2) = 1048576 + SMALL(1) = 0 + LARGE(2) = 2146435071 + LARGE(1) = -1 + RIGHT(2) = 1017118720 + RIGHT(1) = 0 + DIVER(2) = 1018167296 + DIVER(1) = 0 + LOG10(2) = 1070810131 + LOG10(1) = 1352628735 + ELSE IF ( SMALL(1) .EQ. -2065213935 + * .AND. SMALL(2) .EQ. 10752) THEN +* *** VAX WITH D_FLOATING *** + SMALL(1) = 128 + SMALL(2) = 0 + LARGE(1) = -32769 + LARGE(2) = -1 + RIGHT(1) = 9344 + RIGHT(2) = 0 + DIVER(1) = 9472 + DIVER(2) = 0 + LOG10(1) = 546979738 + LOG10(2) = -805796613 + ELSE IF ( SMALL(1) .EQ. 1267827943 + * .AND. SMALL(2) .EQ. 704643072) THEN +* *** IBM MAINFRAME *** + SMALL(1) = 1048576 + SMALL(2) = 0 + LARGE(1) = 2147483647 + LARGE(2) = -1 + RIGHT(1) = 856686592 + RIGHT(2) = 0 + DIVER(1) = 873463808 + DIVER(2) = 0 + LOG10(1) = 1091781651 + LOG10(2) = 1352628735 + ELSE IF ( SMALL(1) .EQ. 1120022684 + * .AND. SMALL(2) .EQ. -448790528) THEN +* *** CONVEX C-1 *** + SMALL(1) = 1048576 + SMALL(2) = 0 + LARGE(1) = 2147483647 + LARGE(2) = -1 + RIGHT(1) = 1019215872 + RIGHT(2) = 0 + DIVER(1) = 1020264448 + DIVER(2) = 0 + LOG10(1) = 1072907283 + LOG10(2) = 1352628735 + ELSE IF ( SMALL(1) .EQ. 815547074 + * .AND. SMALL(2) .EQ. 58688) THEN +* *** VAX G-FLOATING *** + SMALL(1) = 16 + SMALL(2) = 0 + LARGE(1) = -32769 + LARGE(2) = -1 + RIGHT(1) = 15552 + RIGHT(2) = 0 + DIVER(1) = 15568 + DIVER(2) = 0 + LOG10(1) = 1142112243 + LOG10(2) = 2046775455 + ELSE + DMACH(2) = 1.D27 + 1 + DMACH(3) = 1.D27 + LARGE(2) = LARGE(2) - RIGHT(2) + IF (LARGE(2) .EQ. 64 .AND. SMALL(2) .EQ. 0) THEN + CRAY1(1) = 67291416 + DO 10 J = 1, 20 + CRAY1(J+1) = CRAY1(J) + CRAY1(J) + 10 CONTINUE + CRAY1(22) = CRAY1(21) + 321322 + DO 20 J = 22, 37 + CRAY1(J+1) = CRAY1(J) + CRAY1(J) + 20 CONTINUE + IF (CRAY1(38) .EQ. SMALL(1)) THEN +* *** CRAY *** + CALL I1MCRY(SMALL(1), J, 8285, 8388608, 0) + SMALL(2) = 0 + CALL I1MCRY(LARGE(1), J, 24574, 16777215, 16777215) + CALL I1MCRY(LARGE(2), J, 0, 16777215, 16777214) + CALL I1MCRY(RIGHT(1), J, 16291, 8388608, 0) + RIGHT(2) = 0 + CALL I1MCRY(DIVER(1), J, 16292, 8388608, 0) + DIVER(2) = 0 + CALL I1MCRY(LOG10(1), J, 16383, 10100890, 8715215) + CALL I1MCRY(LOG10(2), J, 0, 16226447, 9001388) + ELSE + WRITE(*,9000) + STOP 779 + END IF + ELSE + WRITE(*,9000) + STOP 779 + END IF + END IF + SC = 987 + END IF +* SANITY CHECK + IF (DMACH(4) .GE. 1.0D0) STOP 778 + IF (I .LT. 1 .OR. I .GT. 5) THEN + WRITE(*,*) 'D1MACH(I): I =',I,' is out of bounds.' + STOP + END IF + D1MACH = DMACH(I) + RETURN + 9000 FORMAT(/' Adjust D1MACH by uncommenting data statements'/ + *' appropriate for your machine.') +* /* Standard C source for D1MACH -- remove the * in column 1 */ +*#include <stdio.h> +*#include <float.h> +*#include <math.h> +*double d1mach_(long *i) +*{ +* switch(*i){ +* case 1: return DBL_MIN; +* case 2: return DBL_MAX; +* case 3: return DBL_EPSILON/FLT_RADIX; +* case 4: return DBL_EPSILON; +* case 5: return log10((double)FLT_RADIX); +* } +* fprintf(stderr, "invalid argument: d1mach(%ld)\n", *i); +* exit(1); return 0; /* some compilers demand return values */ +*} + END + SUBROUTINE I1MCRY(A, A1, B, C, D) +**** SPECIAL COMPUTATION FOR OLD CRAY MACHINES **** + INTEGER A, A1, B, C, D + A1 = 16777216*B + C + A = 16777216*A1 + D + END diff --git a/math/slatec/files/i1mach.f b/math/slatec/files/i1mach.f new file mode 100644 index 00000000000..1d6f7fc6bb5 --- /dev/null +++ b/math/slatec/files/i1mach.f @@ -0,0 +1,291 @@ + INTEGER FUNCTION I1MACH(I) + INTEGER I +C +C I1MACH( 1) = THE STANDARD INPUT UNIT. +C I1MACH( 2) = THE STANDARD OUTPUT UNIT. +C I1MACH( 3) = THE STANDARD PUNCH UNIT. +C I1MACH( 4) = THE STANDARD ERROR MESSAGE UNIT. +C I1MACH( 5) = THE NUMBER OF BITS PER INTEGER STORAGE UNIT. +C I1MACH( 6) = THE NUMBER OF CHARACTERS PER CHARACTER STORAGE UNIT. +C INTEGERS HAVE FORM SIGN ( X(S-1)*A**(S-1) + ... + X(1)*A + X(0) ) +C I1MACH( 7) = A, THE BASE. +C I1MACH( 8) = S, THE NUMBER OF BASE-A DIGITS. +C I1MACH( 9) = A**S - 1, THE LARGEST MAGNITUDE. +C FLOATS HAVE FORM SIGN (B**E)*( (X(1)/B) + ... + (X(T)/B**T) ) +C WHERE EMIN .LE. E .LE. EMAX. +C I1MACH(10) = B, THE BASE. +C SINGLE-PRECISION +C I1MACH(11) = T, THE NUMBER OF BASE-B DIGITS. +C I1MACH(12) = EMIN, THE SMALLEST EXPONENT E. +C I1MACH(13) = EMAX, THE LARGEST EXPONENT E. +C DOUBLE-PRECISION +C I1MACH(14) = T, THE NUMBER OF BASE-B DIGITS. +C I1MACH(15) = EMIN, THE SMALLEST EXPONENT E. +C I1MACH(16) = EMAX, THE LARGEST EXPONENT E. +C + INTEGER IMACH(16), OUTPUT, SC, SMALL(2) + SAVE IMACH, SC + REAL RMACH + EQUIVALENCE (IMACH(4),OUTPUT), (RMACH,SMALL(1)) + INTEGER I3, J, K, T3E(3) + DATA T3E(1) / 9777664 / + DATA T3E(2) / 5323660 / + DATA T3E(3) / 46980 / +C THIS VERSION ADAPTS AUTOMATICALLY TO MOST CURRENT MACHINES, +C INCLUDING AUTO-DOUBLE COMPILERS. +C TO COMPILE ON OLDER MACHINES, ADD A C IN COLUMN 1 +C ON THE NEXT LINE + DATA SC/0/ +C AND REMOVE THE C FROM COLUMN 1 IN ONE OF THE SECTIONS BELOW. +C CONSTANTS FOR EVEN OLDER MACHINES CAN BE OBTAINED BY +C mail netlib@research.bell-labs.com +C send old1mach from blas +C PLEASE SEND CORRECTIONS TO dmg OR ehg@bell-labs.com. +C +C MACHINE CONSTANTS FOR THE HONEYWELL DPS 8/70 SERIES. +C +C DATA IMACH( 1) / 5 / +C DATA IMACH( 2) / 6 / +C DATA IMACH( 3) / 43 / +C DATA IMACH( 4) / 6 / +C DATA IMACH( 5) / 36 / +C DATA IMACH( 6) / 4 / +C DATA IMACH( 7) / 2 / +C DATA IMACH( 8) / 35 / +C DATA IMACH( 9) / O377777777777 / +C DATA IMACH(10) / 2 / +C DATA IMACH(11) / 27 / +C DATA IMACH(12) / -127 / +C DATA IMACH(13) / 127 / +C DATA IMACH(14) / 63 / +C DATA IMACH(15) / -127 / +C DATA IMACH(16) / 127 /, SC/987/ +C +C MACHINE CONSTANTS FOR PDP-11 FORTRANS SUPPORTING +C 32-BIT INTEGER ARITHMETIC. +C +C DATA IMACH( 1) / 5 / +C DATA IMACH( 2) / 6 / +C DATA IMACH( 3) / 7 / +C DATA IMACH( 4) / 6 / +C DATA IMACH( 5) / 32 / +C DATA IMACH( 6) / 4 / +C DATA IMACH( 7) / 2 / +C DATA IMACH( 8) / 31 / +C DATA IMACH( 9) / 2147483647 / +C DATA IMACH(10) / 2 / +C DATA IMACH(11) / 24 / +C DATA IMACH(12) / -127 / +C DATA IMACH(13) / 127 / +C DATA IMACH(14) / 56 / +C DATA IMACH(15) / -127 / +C DATA IMACH(16) / 127 /, SC/987/ +C +C MACHINE CONSTANTS FOR THE UNIVAC 1100 SERIES. +C +C NOTE THAT THE PUNCH UNIT, I1MACH(3), HAS BEEN SET TO 7 +C WHICH IS APPROPRIATE FOR THE UNIVAC-FOR SYSTEM. +C IF YOU HAVE THE UNIVAC-FTN SYSTEM, SET IT TO 1. +C +C DATA IMACH( 1) / 5 / +C DATA IMACH( 2) / 6 / +C DATA IMACH( 3) / 7 / +C DATA IMACH( 4) / 6 / +C DATA IMACH( 5) / 36 / +C DATA IMACH( 6) / 6 / +C DATA IMACH( 7) / 2 / +C DATA IMACH( 8) / 35 / +C DATA IMACH( 9) / O377777777777 / +C DATA IMACH(10) / 2 / +C DATA IMACH(11) / 27 / +C DATA IMACH(12) / -128 / +C DATA IMACH(13) / 127 / +C DATA IMACH(14) / 60 / +C DATA IMACH(15) /-1024 / +C DATA IMACH(16) / 1023 /, SC/987/ +C + IF (SC .NE. 987) THEN +* *** CHECK FOR AUTODOUBLE *** + SMALL(2) = 0 + RMACH = 1E13 + IF (SMALL(2) .NE. 0) THEN +* *** AUTODOUBLED *** + IF ( (SMALL(1) .EQ. 1117925532 + * .AND. SMALL(2) .EQ. -448790528) + * .OR. (SMALL(2) .EQ. 1117925532 + * .AND. SMALL(1) .EQ. -448790528)) THEN +* *** IEEE *** + IMACH(10) = 2 + IMACH(14) = 53 + IMACH(15) = -1021 + IMACH(16) = 1024 + ELSE IF ( SMALL(1) .EQ. -2065213935 + * .AND. SMALL(2) .EQ. 10752) THEN +* *** VAX WITH D_FLOATING *** + IMACH(10) = 2 + IMACH(14) = 56 + IMACH(15) = -127 + IMACH(16) = 127 + ELSE IF ( SMALL(1) .EQ. 1267827943 + * .AND. SMALL(2) .EQ. 704643072) THEN +* *** IBM MAINFRAME *** + IMACH(10) = 16 + IMACH(14) = 14 + IMACH(15) = -64 + IMACH(16) = 63 + ELSE + WRITE(*,9010) + STOP 777 + END IF + IMACH(11) = IMACH(14) + IMACH(12) = IMACH(15) + IMACH(13) = IMACH(16) + ELSE + RMACH = 1234567. + IF (SMALL(1) .EQ. 1234613304) THEN +* *** IEEE *** + IMACH(10) = 2 + IMACH(11) = 24 + IMACH(12) = -125 + IMACH(13) = 128 + IMACH(14) = 53 + IMACH(15) = -1021 + IMACH(16) = 1024 + SC = 987 + ELSE IF (SMALL(1) .EQ. -1271379306) THEN +* *** VAX *** + IMACH(10) = 2 + IMACH(11) = 24 + IMACH(12) = -127 + IMACH(13) = 127 + IMACH(14) = 56 + IMACH(15) = -127 + IMACH(16) = 127 + SC = 987 + ELSE IF (SMALL(1) .EQ. 1175639687) THEN +* *** IBM MAINFRAME *** + IMACH(10) = 16 + IMACH(11) = 6 + IMACH(12) = -64 + IMACH(13) = 63 + IMACH(14) = 14 + IMACH(15) = -64 + IMACH(16) = 63 + SC = 987 + ELSE IF (SMALL(1) .EQ. 1251390520) THEN +* *** CONVEX C-1 *** + IMACH(10) = 2 + IMACH(11) = 24 + IMACH(12) = -128 + IMACH(13) = 127 + IMACH(14) = 53 + IMACH(15) = -1024 + IMACH(16) = 1023 + ELSE + DO 10 I3 = 1, 3 + J = SMALL(1) / 10000000 + K = SMALL(1) - 10000000*J + IF (K .NE. T3E(I3)) GO TO 20 + SMALL(1) = J + 10 CONTINUE +* *** CRAY T3E *** + IMACH( 1) = 5 + IMACH( 2) = 6 + IMACH( 3) = 0 + IMACH( 4) = 0 + IMACH( 5) = 64 + IMACH( 6) = 8 + IMACH( 7) = 2 + IMACH( 8) = 63 + CALL I1MCR1(IMACH(9), K, 32767, 16777215, 16777215) + IMACH(10) = 2 + IMACH(11) = 53 + IMACH(12) = -1021 + IMACH(13) = 1024 + IMACH(14) = 53 + IMACH(15) = -1021 + IMACH(16) = 1024 + GO TO 35 + 20 CALL I1MCR1(J, K, 16405, 9876536, 0) + IF (SMALL(1) .NE. J) THEN + WRITE(*,9020) + STOP 777 + END IF +* *** CRAY 1, XMP, 2, AND 3 *** + IMACH(1) = 5 + IMACH(2) = 6 + IMACH(3) = 102 + IMACH(4) = 6 + IMACH(5) = 46 + IMACH(6) = 8 + IMACH(7) = 2 + IMACH(8) = 45 + CALL I1MCR1(IMACH(9), K, 0, 4194303, 16777215) + IMACH(10) = 2 + IMACH(11) = 47 + IMACH(12) = -8188 + IMACH(13) = 8189 + IMACH(14) = 94 + IMACH(15) = -8141 + IMACH(16) = 8189 + GO TO 35 + END IF + END IF + IMACH( 1) = 5 + IMACH( 2) = 6 + IMACH( 3) = 7 + IMACH( 4) = 6 + IMACH( 5) = 32 + IMACH( 6) = 4 + IMACH( 7) = 2 + IMACH( 8) = 31 + IMACH( 9) = 2147483647 + 35 SC = 987 + END IF + 9010 FORMAT(/' Adjust autodoubled I1MACH by uncommenting data'/ + * ' statements appropriate for your machine and setting'/ + * ' IMACH(I) = IMACH(I+3) for I = 11, 12, and 13.') + 9020 FORMAT(/' Adjust I1MACH by uncommenting data statements'/ + * ' appropriate for your machine.') + IF (I .LT. 1 .OR. I .GT. 16) GO TO 40 + I1MACH = IMACH(I) + RETURN + 40 WRITE(*,*) 'I1MACH(I): I =',I,' is out of bounds.' + STOP +* /* C source for I1MACH -- remove the * in column 1 */ +* /* Note that some values may need changing. */ +*#include <stdio.h> +*#include <float.h> +*#include <limits.h> +*#include <math.h> +* +*long i1mach_(long *i) +*{ +* switch(*i){ +* case 1: return 5; /* standard input */ +* case 2: return 6; /* standard output */ +* case 3: return 7; /* standard punch */ +* case 4: return 0; /* standard error */ +* case 5: return 32; /* bits per integer */ +* case 6: return sizeof(int); +* case 7: return 2; /* base for integers */ +* case 8: return 31; /* digits of integer base */ +* case 9: return LONG_MAX; +* case 10: return FLT_RADIX; +* case 11: return FLT_MANT_DIG; +* case 12: return FLT_MIN_EXP; +* case 13: return FLT_MAX_EXP; +* case 14: return DBL_MANT_DIG; +* case 15: return DBL_MIN_EXP; +* case 16: return DBL_MAX_EXP; +* } +* fprintf(stderr, "invalid argument: i1mach(%ld)\n", *i); +* exit(1);return 0; /* some compilers demand return values */ +*} + END + SUBROUTINE I1MCR1(A, A1, B, C, D) +**** SPECIAL COMPUTATION FOR OLD CRAY MACHINES **** + INTEGER A, A1, B, C, D + A1 = 16777216*B + C + A = 16777216*A1 + D + END diff --git a/math/slatec/files/r1mach.f b/math/slatec/files/r1mach.f new file mode 100644 index 00000000000..91776e8ff79 --- /dev/null +++ b/math/slatec/files/r1mach.f @@ -0,0 +1,222 @@ + REAL FUNCTION R1MACH(I) + INTEGER I +C +C SINGLE-PRECISION MACHINE CONSTANTS +C R1MACH(1) = B**(EMIN-1), THE SMALLEST POSITIVE MAGNITUDE. +C R1MACH(2) = B**EMAX*(1 - B**(-T)), THE LARGEST MAGNITUDE. +C R1MACH(3) = B**(-T), THE SMALLEST RELATIVE SPACING. +C R1MACH(4) = B**(1-T), THE LARGEST RELATIVE SPACING. +C R1MACH(5) = LOG10(B) +C + INTEGER SMALL(2) + INTEGER LARGE(2) + INTEGER RIGHT(2) + INTEGER DIVER(2) + INTEGER LOG10(2) +C needs to be (2) for AUTODOUBLE, HARRIS SLASH 6, ... + INTEGER SC + SAVE SMALL, LARGE, RIGHT, DIVER, LOG10, SC + REAL RMACH(5) + EQUIVALENCE (RMACH(1),SMALL(1)) + EQUIVALENCE (RMACH(2),LARGE(1)) + EQUIVALENCE (RMACH(3),RIGHT(1)) + EQUIVALENCE (RMACH(4),DIVER(1)) + EQUIVALENCE (RMACH(5),LOG10(1)) + INTEGER J, K, L, T3E(3) + DATA T3E(1) / 9777664 / + DATA T3E(2) / 5323660 / + DATA T3E(3) / 46980 / +C THIS VERSION ADAPTS AUTOMATICALLY TO MOST CURRENT MACHINES, +C INCLUDING AUTO-DOUBLE COMPILERS. +C TO COMPILE ON OLDER MACHINES, ADD A C IN COLUMN 1 +C ON THE NEXT LINE + DATA SC/0/ +C AND REMOVE THE C FROM COLUMN 1 IN ONE OF THE SECTIONS BELOW. +C CONSTANTS FOR EVEN OLDER MACHINES CAN BE OBTAINED BY +C mail netlib@research.bell-labs.com +C send old1mach from blas +C PLEASE SEND CORRECTIONS TO dmg OR ehg@bell-labs.com. +C +C MACHINE CONSTANTS FOR THE HONEYWELL DPS 8/70 SERIES. +C DATA RMACH(1) / O402400000000 / +C DATA RMACH(2) / O376777777777 / +C DATA RMACH(3) / O714400000000 / +C DATA RMACH(4) / O716400000000 / +C DATA RMACH(5) / O776464202324 /, SC/987/ +C +C MACHINE CONSTANTS FOR PDP-11 FORTRANS SUPPORTING +C 32-BIT INTEGERS (EXPRESSED IN INTEGER AND OCTAL). +C DATA SMALL(1) / 8388608 / +C DATA LARGE(1) / 2147483647 / +C DATA RIGHT(1) / 880803840 / +C DATA DIVER(1) / 889192448 / +C DATA LOG10(1) / 1067065499 /, SC/987/ +C DATA RMACH(1) / O00040000000 / +C DATA RMACH(2) / O17777777777 / +C DATA RMACH(3) / O06440000000 / +C DATA RMACH(4) / O06500000000 / +C DATA RMACH(5) / O07746420233 /, SC/987/ +C +C MACHINE CONSTANTS FOR THE UNIVAC 1100 SERIES. +C DATA RMACH(1) / O000400000000 / +C DATA RMACH(2) / O377777777777 / +C DATA RMACH(3) / O146400000000 / +C DATA RMACH(4) / O147400000000 / +C DATA RMACH(5) / O177464202324 /, SC/987/ +C + IF (SC .NE. 987) THEN +* *** CHECK FOR AUTODOUBLE *** + SMALL(2) = 0 + RMACH(1) = 1E13 + IF (SMALL(2) .NE. 0) THEN +* *** AUTODOUBLED *** + IF ( SMALL(1) .EQ. 1117925532 + * .AND. SMALL(2) .EQ. -448790528) THEN +* *** IEEE BIG ENDIAN *** + SMALL(1) = 1048576 + SMALL(2) = 0 + LARGE(1) = 2146435071 + LARGE(2) = -1 + RIGHT(1) = 1017118720 + RIGHT(2) = 0 + DIVER(1) = 1018167296 + DIVER(2) = 0 + LOG10(1) = 1070810131 + LOG10(2) = 1352628735 + ELSE IF ( SMALL(2) .EQ. 1117925532 + * .AND. SMALL(1) .EQ. -448790528) THEN +* *** IEEE LITTLE ENDIAN *** + SMALL(2) = 1048576 + SMALL(1) = 0 + LARGE(2) = 2146435071 + LARGE(1) = -1 + RIGHT(2) = 1017118720 + RIGHT(1) = 0 + DIVER(2) = 1018167296 + DIVER(1) = 0 + LOG10(2) = 1070810131 + LOG10(1) = 1352628735 + ELSE IF ( SMALL(1) .EQ. -2065213935 + * .AND. SMALL(2) .EQ. 10752) THEN +* *** VAX WITH D_FLOATING *** + SMALL(1) = 128 + SMALL(2) = 0 + LARGE(1) = -32769 + LARGE(2) = -1 + RIGHT(1) = 9344 + RIGHT(2) = 0 + DIVER(1) = 9472 + DIVER(2) = 0 + LOG10(1) = 546979738 + LOG10(2) = -805796613 + ELSE IF ( SMALL(1) .EQ. 1267827943 + * .AND. SMALL(2) .EQ. 704643072) THEN +* *** IBM MAINFRAME *** + SMALL(1) = 1048576 + SMALL(2) = 0 + LARGE(1) = 2147483647 + LARGE(2) = -1 + RIGHT(1) = 856686592 + RIGHT(2) = 0 + DIVER(1) = 873463808 + DIVER(2) = 0 + LOG10(1) = 1091781651 + LOG10(2) = 1352628735 + ELSE + WRITE(*,9010) + STOP 777 + END IF + ELSE + RMACH(1) = 1234567. + IF (SMALL(1) .EQ. 1234613304) THEN +* *** IEEE *** + SMALL(1) = 8388608 + LARGE(1) = 2139095039 + RIGHT(1) = 864026624 + DIVER(1) = 872415232 + LOG10(1) = 1050288283 + ELSE IF (SMALL(1) .EQ. -1271379306) THEN +* *** VAX *** + SMALL(1) = 128 + LARGE(1) = -32769 + RIGHT(1) = 13440 + DIVER(1) = 13568 + LOG10(1) = 547045274 + ELSE IF (SMALL(1) .EQ. 1175639687) THEN +* *** IBM MAINFRAME *** + SMALL(1) = 1048576 + LARGE(1) = 2147483647 + RIGHT(1) = 990904320 + DIVER(1) = 1007681536 + LOG10(1) = 1091781651 + ELSE IF (SMALL(1) .EQ. 1251390520) THEN +* *** CONVEX C-1 *** + SMALL(1) = 8388608 + LARGE(1) = 2147483647 + RIGHT(1) = 880803840 + DIVER(1) = 889192448 + LOG10(1) = 1067065499 + ELSE + DO 10 L = 1, 3 + J = SMALL(1) / 10000000 + K = SMALL(1) - 10000000*J + IF (K .NE. T3E(L)) GO TO 20 + SMALL(1) = J + 10 CONTINUE +* *** CRAY T3E *** + CALL I1MCRA(SMALL, K, 16, 0, 0) + CALL I1MCRA(LARGE, K, 32751, 16777215, 16777215) + CALL I1MCRA(RIGHT, K, 15520, 0, 0) + CALL I1MCRA(DIVER, K, 15536, 0, 0) + CALL I1MCRA(LOG10, K, 16339, 4461392, 10451455) + GO TO 30 + 20 CALL I1MCRA(J, K, 16405, 9876536, 0) + IF (SMALL(1) .NE. J) THEN + WRITE(*,9020) + STOP 777 + END IF +* *** CRAY 1, XMP, 2, AND 3 *** + CALL I1MCRA(SMALL(1), K, 8195, 8388608, 1) + CALL I1MCRA(LARGE(1), K, 24574, 16777215, 16777214) + CALL I1MCRA(RIGHT(1), K, 16338, 8388608, 0) + CALL I1MCRA(DIVER(1), K, 16339, 8388608, 0) + CALL I1MCRA(LOG10(1), K, 16383, 10100890, 8715216) + END IF + END IF + 30 SC = 987 + END IF +* SANITY CHECK + IF (RMACH(4) .GE. 1.0) STOP 776 + IF (I .LT. 1 .OR. I .GT. 5) THEN + WRITE(*,*) 'R1MACH(I): I =',I,' is out of bounds.' + STOP + END IF + R1MACH = RMACH(I) + RETURN + 9010 FORMAT(/' Adjust autodoubled R1MACH by getting data'/ + *' appropriate for your machine from D1MACH.') + 9020 FORMAT(/' Adjust R1MACH by uncommenting data statements'/ + *' appropriate for your machine.') +* /* C source for R1MACH -- remove the * in column 1 */ +*#include <stdio.h> +*#include <float.h> +*#include <math.h> +*float r1mach_(long *i) +*{ +* switch(*i){ +* case 1: return FLT_MIN; +* case 2: return FLT_MAX; +* case 3: return FLT_EPSILON/FLT_RADIX; +* case 4: return FLT_EPSILON; +* case 5: return log10((double)FLT_RADIX); +* } +* fprintf(stderr, "invalid argument: r1mach(%ld)\n", *i); +* exit(1); return 0; /* else complaint of missing return value */ +*} + END + SUBROUTINE I1MCRA(A, A1, B, C, D) +**** SPECIAL COMPUTATION FOR CRAY MACHINES **** + INTEGER A, A1, B, C, D + A1 = 16777216*B + C + A = 16777216*A1 + D + END |