Document revision date: 30 March 2001

Contents

Preface
Preface	Preface
Part 1
Part 1	MTH$ Tutorial Section
Chapter 1
1	OpenVMS Run-Time Library Mathematics (MTH$) Facility
1.1	Entry Point Names
1.2	Calling Conventions
1.3	Algorithms
1.4	Condition Handling
1.5	Complex Numbers
1.6	Mathematics Routines Not Documented in the MTH$ Reference Section
1.7	Examples of Calls to Run-Time Library Mathematics Routines
1.7.1	BASIC Example
1.7.2	COBOL Example
1.7.3	Fortran Examples
1.7.4	MACRO Examples
1.7.5	Pascal Examples
1.7.6	PL/I Examples
1.7.7	Ada Example
Chapter 2
2	Vector Routines in MTH$
2.1	BLAS --- Basic Linear Algebra Subroutines Level 1
2.1.1	Using BLAS Level 1
2.1.1.1	Memory Overlap
2.1.1.2	Round-Off Effects
2.1.1.3	Underflow and Overflow
2.1.1.4	Notational Definitions
2.2	FOLR --- First Order Linear Recurrence Routines
2.2.1	FOLR Routine Name Format
2.2.2	Calling a FOLR Routine
2.3	Vector Versions of Existing Scalar Routines
2.3.1	Exceptions
2.3.2	Underflow Detection
2.3.3	Vector Routine Name Format
2.3.4	Calling a Vector Math Routine
2.4	Fast-Vector Math Routines
2.4.1	Exception Handling
2.4.2	Special Restrictions On Input Arguments
2.4.3	Accuracy
2.4.4	Performance
Part 2
Part 2	Scalar MTH$ Reference Section
Command 1	MTH$xACOS
Command 2	MTH$xACOSD
Command 3	MTH$xASIN
Command 4	MTH$xASIND
Command 5	MTH$xATAN
Command 6	MTH$xATAND
Command 7	MTH$xATAN2
Command 8	MTH$xATAND2
Command 9	MTH$xATANH
Command 10	MTH$CxABS
Command 11	MTH$CCOS
Command 12	MTH$CxCOS
Command 13	MTH$CEXP
Command 14	MTH$CxEXP
Command 15	MTH$CLOG
Command 16	MTH$CxLOG
Command 17	MTH$CMPLX
Command 18	MTH$xCMPLX
Command 19	MTH$CONJG
Command 20	MTH$xCONJG
Command 21	MTH$xCOS
Command 22	MTH$xCOSD
Command 23	MTH$xCOSH
Command 24	MTH$CSIN
Command 25	MTH$CxSIN
Command 26	MTH$CSQRT
Command 27	MTH$CxSQRT
Command 28	MTH$CVT_x_x
Command 29	MTH$CVT_xA_xA
Command 30	MTH$xEXP
Command 31	MTH$HACOS
Command 32	MTH$HACOSD
Command 33	MTH$HASIN
Command 34	MTH$HASIND
Command 35	MTH$HATAN
Command 36	MTH$HATAND
Command 37	MTH$HATAN2
Command 38	MTH$HATAND2
Command 39	MTH$HATANH
Command 40	MTH$HCOS
Command 41	MTH$HCOSD
Command 42	MTH$HCOSH
Command 43	MTH$HEXP
Command 44	MTH$HLOG
Command 45	MTH$HLOG2
Command 46	MTH$HLOG10
Command 47	MTH$HSIN
Command 48	MTH$HSIND
Command 49	MTH$HSINH
Command 50	MTH$HSQRT
Command 51	MTH$HTAN
Command 52	MTH$HTAND
Command 53	MTH$HTANH
Command 54	MTH$xIMAG
Command 55	MTH$xLOG
Command 56	MTH$xLOG2
Command 57	MTH$xLOG10
Command 58	MTH$RANDOM
Command 59	MTH$xREAL
Command 60	MTH$xSIN
Command 61	MTH$xSINCOS
Command 62	MTH$xSINCOSD
Command 63	MTH$xSIND
Command 64	MTH$xSINH
Command 65	MTH$xSQRT
Command 66	MTH$xTAN
Command 67	MTH$xTAND
Command 68	MTH$xTANH
Command 69	MTH$UMAX
Command 70	MTH$UMIN

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