Updated: 11 December 1998

DIGITAL Portable Mathematics Library

Contents

Preface
Preface	Preface
Chapter 1
1	Introduction to DPML
1.1	Overview
1.2	Data Types
1.3	Exceptional Arguments
1.4	Exception Conditions and Exception Behavior
1.5	IEEE Std 754 Considerations
1.6	X/Open Portability Guide Considerations
Chapter 2
2	DPML Routines
2.1	DPML Routine Interface
2.2	Specific Entry-Point Names
2.3	Working with Exception Conditions
2.4	DPML Routine Interface Examples
2.4.1	atan2() Interface
2.4.2	cdiv() Interface
Command 1	acos - Arc Cosine of Angle
Command 2	acosh - Hyperbolic Arc Cosine of Angle
Command 3	asin - Arc Sine of Angle
Command 4	asinh - Hyperbolic Arc Sine of Angle
Command 5	atan - Arc Tangent of Angle with One Argument
Command 6	atan2 - Arc Tangent of Angle with Two Arguments
Command 7	atanh - Hyperbolic Arc Tangent of Angle
Command 8	bessel - Bessel Functions
Command 9	cabs - Complex Absolute Value
Command 10	cbrt - Cube Root
Command 11	ccos - Cosine of Angle of a Complex Number
Command 12	cdiv - Complex Division
Command 13	ceil - Ceiling
Command 14	cexp - Complex Exponential
Command 15	clog - Complex Natural Logarithm
Command 16	cmul - Complex Multiplication
Command 17	copysign - Copy Sign
Command 18	cos - Cosine of Angle
Command 19	cosh - Hyperbolic Cosine of Angle
Command 20	cot - Cotangent of Angle
Command 21	cpow - Complex Power
Command 22	csin - Sine of Angle of a Complex Number
Command 23	csqrt - Complex Square Root
Command 24	cvt_ftof - Convert Between Supported Floating-Point Data Types
Command 25	drem - Remainder
Command 26	erf - Error Functions
Command 27	exp - Exponential
Command 28	fabs - Absolute Value
Command 29	finite - Check for Finite Value
Command 30	floor - Floor
Command 31	fmod - Modulo Remainder
Command 32	fp_class - Classifies IEEE Floating-Point Values
Command 33	frexp - Convert to Fraction and Integral Power of 2
Command 34	hypot - Euclidean Distance
Command 35	ilogb - Computes an Unbiased Exponent
Command 36	isnan - Check for NaN Value
Command 37	ldexp - Multiply by an Integral Power of 2
Command 38	lgamma - Computes the Logarithm of the gamma Function
Command 39	log - Logarithm Functions
Command 40	logb - Radix-independent Exponent
Command 41	modf - Return the Fractional Part and Integer Part of a Floating-Point Number
Command 42	nextafter - Next Machine Number After
Command 43	nint - Round to the Nearest Integer
Command 44	pow - Raise the Base to a Floating-Point Exponent
Command 45	random - Random Number Generator, Uniformly Distributed
Command 46	remainder - Remainder
Command 47	rint - Return the Nearest Integral Value
Command 48	scalb - Exponent Adjustment
Command 49	sin - Sine of Angle
Command 50	sincos - Sine and Cosine of Angle
Command 51	sinh - Hyperbolic Sine
Command 52	sinhcosh - Hyperbolic Sine and Cosine
Command 53	sqrt - Square Root
Command 54	tan - Tangent of Angle
Command 55	tanh - Hyperbolic Tangent
Command 56	trunc - Truncation
Command 57	unordered - Check for x Unordered with Respect to y
Appendix A
Appendix A	Critical Floating-Point Values
Appendix B
Appendix B	DPML Entry-Point Names
Glossary
Glossary	Glossary
Index
Index
Tables
1-1	Floating-Point Data Types
1-2	Floating-Point Complex Data Types
1-3	Default Action and Return Values for Exception Conditions
1-4	XPG4 Conformant Routines
A-1	Hexadecimal and Decimal Boundary Values
B-1	Entry-Point Names for DPML Platforms

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